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/* $Id: cidet-instr-1.cpp $ */
/** @file
* CPU Instruction Decoding & Execution Tests - First bunch of instructions.
*/
/*
* Copyright (C) 2014-2023 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>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "cidet.h"
#include <VBox/err.h>
/*********************************************************************************************************************************
* Defined Constants And Macros *
*********************************************************************************************************************************/
/*
* Shorter defines for the EFLAGS to save table space.
*/
#undef CF
#undef PF
#undef AF
#undef ZF
#undef SF
#undef OF
#define CF X86_EFL_CF
#define PF X86_EFL_PF
#define AF X86_EFL_AF
#define ZF X86_EFL_ZF
#define SF X86_EFL_SF
#define OF X86_EFL_OF
/*********************************************************************************************************************************
* Structures and Typedefs *
*********************************************************************************************************************************/
typedef struct CIDET2IN1OUTWITHFLAGSU8ENTRY
{
uint8_t uIn1;
uint8_t uIn2;
uint16_t fEFlagsIn;
uint8_t uOut;
uint16_t fEFlagsOut;
} CIDET2IN1OUTWITHFLAGSU8ENTRY;
typedef CIDET2IN1OUTWITHFLAGSU8ENTRY const *PCCIDET2IN1OUTWITHFLAGSU8ENTRY;
typedef struct CIDET2IN1OUTWITHFLAGSU16ENTRY
{
uint16_t uIn1;
uint16_t uIn2;
uint16_t fEFlagsIn;
uint16_t uOut;
uint16_t fEFlagsOut;
} CIDET2IN1OUTWITHFLAGSU16ENTRY;
typedef CIDET2IN1OUTWITHFLAGSU16ENTRY const *PCCIDET2IN1OUTWITHFLAGSU16ENTRY;
typedef struct CIDET2IN1OUTWITHFLAGSU32ENTRY
{
uint32_t uIn1;
uint32_t uIn2;
uint16_t fEFlagsIn;
uint32_t uOut;
uint16_t fEFlagsOut;
} CIDET2IN1OUTWITHFLAGSU32ENTRY;
typedef CIDET2IN1OUTWITHFLAGSU32ENTRY const *PCCIDET2IN1OUTWITHFLAGSU32ENTRY;
typedef struct CIDET2IN1OUTWITHFLAGSU64ENTRY
{
uint64_t uIn1;
uint64_t uIn2;
uint16_t fEFlagsIn;
uint64_t uOut;
uint16_t fEFlagsOut;
} CIDET2IN1OUTWITHFLAGSU64ENTRY;
typedef CIDET2IN1OUTWITHFLAGSU64ENTRY const *PCCIDET2IN1OUTWITHFLAGSU64ENTRY;
typedef struct CIDET2IN1OUTWITHFLAGS
{
PCCIDET2IN1OUTWITHFLAGSU8ENTRY pa8Entries;
PCCIDET2IN1OUTWITHFLAGSU16ENTRY pa16Entries;
PCCIDET2IN1OUTWITHFLAGSU32ENTRY pa32Entries;
PCCIDET2IN1OUTWITHFLAGSU64ENTRY pa64Entries;
uint16_t c8Entries;
uint16_t c16Entries;
uint16_t c32Entries;
uint16_t c64Entries;
uint32_t fRelevantEFlags;
} CIDET2IN1OUTWITHFLAGS;
#define CIDET2IN1OUTWITHFLAGS_INITIALIZER(a_fRelevantEFlags) \
{ \
&s_a8Results[0], &s_a16Results[0], &s_a32Results[0], &s_a64Results[0], \
RT_ELEMENTS(s_a8Results), RT_ELEMENTS(s_a16Results), RT_ELEMENTS(s_a32Results), RT_ELEMENTS(s_a64Results), \
(a_fRelevantEFlags) \
}
/**
* Generic worker for a FNCIDETSETUPINOUT function with two GPR/MEM registers,
* storing result in the first and flags.
*
* @returns See FNCIDETSETUPINOUT.
* @param pThis The core CIDET state structure. The InCtx
* and ExpectedCtx members will be modified.
* @param fInvalid When set, get the next invalid operands that will
* cause exceptions/faults.
* @param pResults The result collection.
*/
static int CidetGenericIn2Out1WithFlags(PCIDETCORE pThis, bool fInvalid, CIDET2IN1OUTWITHFLAGS const *pResults)
{
int rc;
Assert(pThis->idxMrmRegOp < 2);
Assert(pThis->idxMrmRmOp < 2);
Assert(pThis->idxMrmRmOp != pThis->idxMrmRegOp);
AssertCompile(RT_ELEMENTS(pThis->aiInOut) >= 4);
if (!fInvalid)
{
if ( !pThis->fHasRegCollisionDirect
&& !pThis->fHasRegCollisionMem)
{
pThis->InCtx.rfl &= ~(uint64_t)pResults->fRelevantEFlags;
pThis->ExpectedCtx.rfl &= ~(uint64_t)pResults->fRelevantEFlags;
switch (pThis->aOperands[0].cb)
{
case 1:
{
uint16_t idx = ++pThis->aiInOut[0] % pResults->c8Entries;
PCCIDET2IN1OUTWITHFLAGSU8ENTRY pEntry = &pResults->pa8Entries[idx];
rc = idx ? VINF_SUCCESS : VINF_EOF;
*pThis->aOperands[0].In.pu8 = pEntry->uIn1;
*pThis->aOperands[1].In.pu8 = pEntry->uIn2;
pThis->InCtx.rfl |= pEntry->fEFlagsIn;
*pThis->aOperands[0].Expected.pu8 = pEntry->uOut;
*pThis->aOperands[1].Expected.pu8 = pEntry->uIn2;
pThis->ExpectedCtx.rfl |= pEntry->fEFlagsOut;
break;
}
case 2:
{
uint16_t idx = ++pThis->aiInOut[1] % pResults->c16Entries;
PCCIDET2IN1OUTWITHFLAGSU16ENTRY pEntry = &pResults->pa16Entries[idx];
rc = idx ? VINF_SUCCESS : VINF_EOF;
*pThis->aOperands[0].In.pu16 = pEntry->uIn1;
*pThis->aOperands[1].In.pu16 = pEntry->uIn2;
pThis->InCtx.rfl |= pEntry->fEFlagsIn;
*pThis->aOperands[0].Expected.pu16 = pEntry->uOut;
*pThis->aOperands[1].Expected.pu16 = pEntry->uIn2;
pThis->ExpectedCtx.rfl |= pEntry->fEFlagsOut;
break;
}
case 4:
{
uint16_t idx = ++pThis->aiInOut[2] % pResults->c32Entries;
PCCIDET2IN1OUTWITHFLAGSU32ENTRY pEntry = &pResults->pa32Entries[idx];
rc = idx ? VINF_SUCCESS : VINF_EOF;
*pThis->aOperands[0].In.pu32 = pEntry->uIn1;
*pThis->aOperands[1].In.pu32 = pEntry->uIn2;
pThis->InCtx.rfl |= pEntry->fEFlagsIn;
*pThis->aOperands[0].Expected.pu32 = pEntry->uOut;
if (!pThis->aOperands[0].fIsMem)
pThis->aOperands[0].Expected.pu32[1] = 0;
*pThis->aOperands[1].Expected.pu32 = pEntry->uIn2;
pThis->ExpectedCtx.rfl |= pEntry->fEFlagsOut;
break;
}
case 8:
{
uint16_t idx = ++pThis->aiInOut[3] % pResults->c64Entries;
PCCIDET2IN1OUTWITHFLAGSU64ENTRY pEntry = &pResults->pa64Entries[idx];
rc = idx ? VINF_SUCCESS : VINF_EOF;
*pThis->aOperands[0].In.pu64 = pEntry->uIn1;
*pThis->aOperands[1].In.pu64 = pEntry->uIn2;
pThis->InCtx.rfl |= pEntry->fEFlagsIn;
*pThis->aOperands[0].Expected.pu64 = pEntry->uOut;
*pThis->aOperands[1].Expected.pu64 = pEntry->uIn2;
pThis->ExpectedCtx.rfl |= pEntry->fEFlagsOut;
break;
}
default:
AssertFailed();
rc = VERR_INTERNAL_ERROR_3;
}
}
else
rc = VERR_NOT_SUPPORTED;
}
else
rc = VERR_NO_DATA;
return rc;
}
static DECLCALLBACK(int) cidetInOutAdd(PCIDETCORE pThis, bool fInvalid)
{
static const CIDET2IN1OUTWITHFLAGSU8ENTRY s_a8Results[] =
{
{ UINT8_C(0x00), UINT8_C(0x00), 0, UINT8_C(0x00), ZF | PF },
{ UINT8_C(0xff), UINT8_C(0x01), 0, UINT8_C(0x00), CF | ZF | AF | PF },
{ UINT8_C(0x7f), UINT8_C(0x80), 0, UINT8_C(0xff), SF | PF },
{ UINT8_C(0x01), UINT8_C(0x01), 0, UINT8_C(0x02), 0 },
};
static const CIDET2IN1OUTWITHFLAGSU16ENTRY s_a16Results[] =
{
{ UINT16_C(0x0000), UINT16_C(0x0000), 0, UINT16_C(0x0000), ZF | PF },
{ UINT16_C(0xfefd), UINT16_C(0x0103), 0, UINT16_C(0x0000), CF | ZF | AF | PF },
{ UINT16_C(0x8e7d), UINT16_C(0x7182), 0, UINT16_C(0xffff), SF | PF },
{ UINT16_C(0x0001), UINT16_C(0x0001), 0, UINT16_C(0x0002), 0 },
};
static const CIDET2IN1OUTWITHFLAGSU32ENTRY s_a32Results[] =
{
{ UINT32_C(0x00000000), UINT32_C(0x00000000), 0, UINT32_C(0x00000000), ZF | PF },
{ UINT32_C(0xfefdfcfb), UINT32_C(0x01020305), 0, UINT32_C(0x00000000), CF | ZF | AF | PF },
{ UINT32_C(0x8efdfcfb), UINT32_C(0x71020304), 0, UINT32_C(0xffffffff), SF | PF },
{ UINT32_C(0x00000001), UINT32_C(0x00000001), 0, UINT32_C(0x00000002), 0 },
};
static const CIDET2IN1OUTWITHFLAGSU64ENTRY s_a64Results[] =
{
{ UINT64_C(0x0000000000000000), UINT64_C(0x0000000000000000), 0, UINT64_C(0x0000000000000000), ZF | PF },
{ UINT64_C(0xfefdfcfbfaf9f8f7), UINT64_C(0x0102030405060709), 0, UINT64_C(0x0000000000000000), CF | ZF | AF | PF },
{ UINT64_C(0x7efdfcfbfaf9f8f7), UINT64_C(0x8102030405060708), 0, UINT64_C(0xffffffffffffffff), SF | PF },
{ UINT64_C(0x0000000000000001), UINT64_C(0x0000000000000001), 0, UINT64_C(0x0000000000000002), 0 },
};
static const CIDET2IN1OUTWITHFLAGS s_Results = CIDET2IN1OUTWITHFLAGS_INITIALIZER(CF | PF | AF | SF | OF);
return CidetGenericIn2Out1WithFlags(pThis, fInvalid, &s_Results);
}
/** First bunch of instructions. */
const CIDETINSTR g_aCidetInstructions1[] =
{
#if 1
{
"add Eb,Gb", cidetInOutAdd, 1, {0x00, 0, 0}, 0, 2,
{ CIDET_OF_K_GPR | CIDET_OF_Z_BYTE | CIDET_OF_M_RM | CIDET_OF_A_RW,
CIDET_OF_K_GPR | CIDET_OF_Z_BYTE | CIDET_OF_M_REG | CIDET_OF_A_R,
0, 0 }, CIDET_IF_MODRM
},
#endif
#if 1
{
"add Ev,Gv", cidetInOutAdd, 1, {0x01, 0, 0}, 0, 2,
{ CIDET_OF_K_GPR | CIDET_OF_Z_VAR_WDQ | CIDET_OF_M_RM | CIDET_OF_A_RW,
CIDET_OF_K_GPR | CIDET_OF_Z_VAR_WDQ | CIDET_OF_M_REG | CIDET_OF_A_R,
0, 0 }, CIDET_IF_MODRM
},
#endif
};
/** Number of instruction in the g_aInstructions1 array. */
const uint32_t g_cCidetInstructions1 = RT_ELEMENTS(g_aCidetInstructions1);
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