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/* $Id: bs3-cmn-ExtCtxSetYmm.c $ */
/** @file
* BS3Kit - Bs3ExtCtxSetYmm
*/
/*
* Copyright (C) 2007-2023 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 "bs3kit-template-header.h"
#undef Bs3ExtCtxSetYmm
BS3_CMN_DEF(bool, Bs3ExtCtxSetYmm,(PBS3EXTCTX pExtCtx, uint8_t iReg, PCRTUINT256U pValue, uint8_t cbValue))
{
BS3_ASSERT(cbValue == 16 || cbValue == 32);
switch (pExtCtx->enmMethod)
{
case BS3EXTCTXMETHOD_FXSAVE:
if (iReg < RT_ELEMENTS(pExtCtx->Ctx.x87.aXMM))
{
pExtCtx->Ctx.x87.aXMM[iReg].uXmm = pValue->DQWords.dqw0;
return true;
}
break;
case BS3EXTCTXMETHOD_XSAVE:
if (iReg < RT_ELEMENTS(pExtCtx->Ctx.x.x87.aXMM))
{
pExtCtx->Ctx.x87.aXMM[iReg].uXmm = pValue->DQWords.dqw0;
if (pExtCtx->fXcr0Nominal & XSAVE_C_YMM)
{
if (cbValue >= 32)
pExtCtx->Ctx.x.u.YmmHi.aYmmHi[iReg].uXmm = pValue->DQWords.dqw1;
else
{
pExtCtx->Ctx.x.u.YmmHi.aYmmHi[iReg].au64[0] = 0;
pExtCtx->Ctx.x.u.YmmHi.aYmmHi[iReg].au64[1] = 0;
}
/** @todo zero high ZMM part. */
}
return true;
}
break;
}
return false;
}
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