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Diffstat (limited to '')
-rw-r--r-- | src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxSetYmm.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxSetYmm.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxSetYmm.c new file mode 100644 index 00000000..7ff2732f --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxSetYmm.c @@ -0,0 +1,79 @@ +/* $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; +} + |