1 | /* $Id: CPUMStack.cpp 14994 2008-12-04 15:44:25Z vboxsync $ */
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2 | /** @file
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3 | * CPUM - CPU Monitor(/Manager) - Stack manipulation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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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.virtualbox.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 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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19 | * additional information or have any questions.
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20 | */
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21 |
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22 |
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23 | /*******************************************************************************
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24 | * Header Files *
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25 | *******************************************************************************/
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26 | #include <VBox/cpum.h>
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27 | #include "CPUMInternal.h"
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28 | #include <VBox/vm.h>
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29 | #include <VBox/mm.h>
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30 |
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31 | /** Disable stack frame pointer generation here. */
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32 | #if defined(_MSC_VER) && !defined(DEBUG)
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33 | # pragma optimize("y", off)
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34 | #endif
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35 |
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36 |
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37 | VMMDECL(void) CPUMPushHyper(PVM pVM, uint32_t u32)
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38 | {
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39 | /* ASSUME always on flat stack within hypervisor memory for now */
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40 | pVM->cpum.s.Hyper.esp -= sizeof(u32);
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41 | *(uint32_t *)MMHyperRCToR3(pVM, (RTRCPTR)pVM->cpum.s.Hyper.esp) = u32;
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42 | }
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43 |
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