source: vbox/trunk/src/VBox/VMM/VMMAll/IEMAllInstCommonBodyMacros.h@ 100764

/* $Id: IEMAllInstCommonBodyMacros.h 100733 2023-07-28 22:51:16Z vboxsync $ */
/** @file
 * IEM - Instruction Decoding and Emulation, Common Body Macros.
 *
 * This is placed in its own file without anything else in it, so that it can
 * be digested by SimplerParser in IEMAllInstPython.py prior processing
 * any of the other IEMAllInstruction*.cpp.h files.  For instance
 * IEMAllInstCommon.cpp.h wouldn't do as it defines several invalid
 * instructions and such that could confuse the parser result.
 */

/*
 * Copyright (C) 2011-2023 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 <https://www.gnu.org/licenses>.
 *
 * SPDX-License-Identifier: GPL-3.0-only
 */


/**
 * Body for word/dword/qword instructions like ADD, AND, OR, ++ with a register
 * as the destination.
 *
 * @note Used both in OneByte and TwoByte0f.
 */
#define IEMOP_BODY_BINARY_rv_rm(a_fnNormalU16, a_fnNormalU32, a_fnNormalU64, a_fModifiesDstReg) \
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm); \
    \
    /* \
     * If rm is denoting a register, no more instruction bytes. \
     */ \
    if (IEM_IS_MODRM_REG_MODE(bRm)) \
    { \
        switch (pVCpu->iem.s.enmEffOpSize) \
        { \
            case IEMMODE_16BIT: \
                IEM_MC_BEGIN(3, 0); \
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX(); \
                IEM_MC_ARG(uint16_t *, pu16Dst, 0); \
                IEM_MC_ARG(uint16_t,   u16Src,  1); \
                IEM_MC_ARG(uint32_t *, pEFlags, 2); \
                \
                IEM_MC_FETCH_GREG_U16(u16Src, IEM_GET_MODRM_RM(pVCpu, bRm)); \
                IEM_MC_REF_GREG_U16(pu16Dst, IEM_GET_MODRM_REG(pVCpu, bRm)); \
                IEM_MC_REF_EFLAGS(pEFlags); \
                IEM_MC_CALL_VOID_AIMPL_3(a_fnNormalU16, pu16Dst, u16Src, pEFlags); \
                \
                IEM_MC_ADVANCE_RIP_AND_FINISH(); \
                IEM_MC_END(); \
                break; \
            \
            case IEMMODE_32BIT: \
                IEM_MC_BEGIN(3, 0); \
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX(); \
                IEM_MC_ARG(uint32_t *, pu32Dst, 0); \
                IEM_MC_ARG(uint32_t,   u32Src,  1); \
                IEM_MC_ARG(uint32_t *, pEFlags, 2); \
                \
                IEM_MC_FETCH_GREG_U32(u32Src, IEM_GET_MODRM_RM(pVCpu, bRm)); \
                IEM_MC_REF_GREG_U32(pu32Dst, IEM_GET_MODRM_REG(pVCpu, bRm)); \
                IEM_MC_REF_EFLAGS(pEFlags); \
                IEM_MC_CALL_VOID_AIMPL_3(a_fnNormalU32, pu32Dst, u32Src, pEFlags); \
                \
                if (a_fModifiesDstReg) \
                    IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst); \
                IEM_MC_ADVANCE_RIP_AND_FINISH(); \
                IEM_MC_END(); \
                break; \
            \
            case IEMMODE_64BIT: \
                IEM_MC_BEGIN(3, 0); \
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX(); \
                IEM_MC_ARG(uint64_t *, pu64Dst, 0); \
                IEM_MC_ARG(uint64_t,   u64Src,  1); \
                IEM_MC_ARG(uint32_t *, pEFlags, 2); \
                \
                IEM_MC_FETCH_GREG_U64(u64Src, IEM_GET_MODRM_RM(pVCpu, bRm)); \
                IEM_MC_REF_GREG_U64(pu64Dst, IEM_GET_MODRM_REG(pVCpu, bRm)); \
                IEM_MC_REF_EFLAGS(pEFlags); \
                IEM_MC_CALL_VOID_AIMPL_3(a_fnNormalU64, pu64Dst, u64Src, pEFlags); \
                \
                IEM_MC_ADVANCE_RIP_AND_FINISH(); \
                IEM_MC_END(); \
                break; \
            \
            IEM_NOT_REACHED_DEFAULT_CASE_RET(); \
        } \
    } \
    else \
    { \
        /* \
         * We're accessing memory. \
         */ \
        switch (pVCpu->iem.s.enmEffOpSize) \
        { \
            case IEMMODE_16BIT: \
                IEM_MC_BEGIN(3, 1); \
                IEM_MC_ARG(uint16_t *, pu16Dst, 0); \
                IEM_MC_ARG(uint16_t,   u16Src,  1); \
                IEM_MC_ARG(uint32_t *, pEFlags, 2); \
                IEM_MC_LOCAL(RTGCPTR,  GCPtrEffDst); \
                \
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0); \
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX(); \
                IEM_MC_FETCH_MEM_U16(u16Src, pVCpu->iem.s.iEffSeg, GCPtrEffDst); \
                IEM_MC_REF_GREG_U16(pu16Dst, IEM_GET_MODRM_REG(pVCpu, bRm)); \
                IEM_MC_REF_EFLAGS(pEFlags); \
                IEM_MC_CALL_VOID_AIMPL_3(a_fnNormalU16, pu16Dst, u16Src, pEFlags); \
                \
                IEM_MC_ADVANCE_RIP_AND_FINISH(); \
                IEM_MC_END(); \
                break; \
            \
            case IEMMODE_32BIT: \
                IEM_MC_BEGIN(3, 1); \
                IEM_MC_ARG(uint32_t *, pu32Dst, 0); \
                IEM_MC_ARG(uint32_t,   u32Src,  1); \
                IEM_MC_ARG(uint32_t *, pEFlags, 2); \
                IEM_MC_LOCAL(RTGCPTR,  GCPtrEffDst); \
                \
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0); \
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX(); \
                IEM_MC_FETCH_MEM_U32(u32Src, pVCpu->iem.s.iEffSeg, GCPtrEffDst); \
                IEM_MC_REF_GREG_U32(pu32Dst, IEM_GET_MODRM_REG(pVCpu, bRm)); \
                IEM_MC_REF_EFLAGS(pEFlags); \
                IEM_MC_CALL_VOID_AIMPL_3(a_fnNormalU32, pu32Dst, u32Src, pEFlags); \
                \
                if (a_fModifiesDstReg) \
                    IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst); \
                IEM_MC_ADVANCE_RIP_AND_FINISH(); \
                IEM_MC_END(); \
                break; \
            \
            case IEMMODE_64BIT: \
                IEM_MC_BEGIN(3, 1); \
                IEM_MC_ARG(uint64_t *, pu64Dst, 0); \
                IEM_MC_ARG(uint64_t,   u64Src,  1); \
                IEM_MC_ARG(uint32_t *, pEFlags, 2); \
                IEM_MC_LOCAL(RTGCPTR,  GCPtrEffDst); \
                \
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0); \
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX(); \
                IEM_MC_FETCH_MEM_U64(u64Src, pVCpu->iem.s.iEffSeg, GCPtrEffDst); \
                IEM_MC_REF_GREG_U64(pu64Dst, IEM_GET_MODRM_REG(pVCpu, bRm)); \
                IEM_MC_REF_EFLAGS(pEFlags); \
                IEM_MC_CALL_VOID_AIMPL_3(a_fnNormalU64, pu64Dst, u64Src, pEFlags); \
                \
                IEM_MC_ADVANCE_RIP_AND_FINISH(); \
                IEM_MC_END(); \
                break; \
            \
            IEM_NOT_REACHED_DEFAULT_CASE_RET(); \
        } \
    } \
    (void)0