| 1 | /* $Id: bs3-cmn-ExtCtxSetYmm.c 95374 2022-06-26 01:26:50Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Bs3ExtCtxSetYmm
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2022 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.alldomusa.eu.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include "bs3kit-template-header.h"
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| 32 |
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| 33 |
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| 34 | #undef Bs3ExtCtxSetYmm
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| 35 | BS3_CMN_DEF(bool, Bs3ExtCtxSetYmm,(PBS3EXTCTX pExtCtx, uint8_t iReg, PCRTUINT256U pValue, bool f128Bit))
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| 36 | {
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| 37 | switch (pExtCtx->enmMethod)
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| 38 | {
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| 39 | case BS3EXTCTXMETHOD_FXSAVE:
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| 40 | if (iReg < RT_ELEMENTS(pExtCtx->Ctx.x87.aXMM))
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| 41 | {
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| 42 | pExtCtx->Ctx.x87.aXMM[iReg].uXmm = pValue->au128[0];
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| 43 | return true;
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| 44 | }
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| 45 | break;
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| 46 |
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| 47 | case BS3EXTCTXMETHOD_XSAVE:
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| 48 | if (iReg < RT_ELEMENTS(pExtCtx->Ctx.x.x87.aXMM))
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| 49 | {
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| 50 | pExtCtx->Ctx.x87.aXMM[iReg].uXmm = pValue->au128[0];
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| 51 | if ((pExtCtx->fXcr0Nominal & XSAVE_C_YMM) && !f128Bit)
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| 52 | pExtCtx->Ctx.x.u.YmmHi.aYmmHi[iReg].uXmm = pValue->au128[1];
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| 53 | return true;
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| 54 | }
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| 55 | break;
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| 56 | }
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| 57 | return false;
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| 58 | }
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| 59 |
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