HWSVMR0.h revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
2N/A/** @file
2N/A *
2N/A * HWACCM SVM - Internal header file.
2N/A */
2N/A
2N/A/*
2N/A * Copyright (C) 2006 InnoTek Systemberatung GmbH
2N/A *
2N/A * This file is part of VirtualBox Open Source Edition (OSE), as
2N/A * available from http://www.virtualbox.org. This file is free software;
2N/A * you can redistribute it and/or modify it under the terms of the GNU
2N/A * General Public License as published by the Free Software Foundation,
2N/A * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
2N/A * distribution. VirtualBox OSE is distributed in the hope that it will
2N/A * be useful, but WITHOUT ANY WARRANTY of any kind.
2N/A *
2N/A * If you received this file as part of a commercial VirtualBox
2N/A * distribution, then only the terms of your commercial VirtualBox
2N/A * license agreement apply instead of the previous paragraph.
2N/A */
2N/A
2N/A#ifndef __HWSVMR0_h__
2N/A#define __HWSVMR0_h__
2N/A
2N/A#include <VBox/cdefs.h>
2N/A#include <VBox/types.h>
2N/A#include <VBox/em.h>
2N/A#include <VBox/stam.h>
2N/A#include <VBox/dis.h>
2N/A#include <VBox/hwaccm.h>
#include <VBox/pgm.h>
#include <VBox/hwacc_svm.h>
__BEGIN_DECLS
/** @defgroup grp_svm Internal
* @ingroup grp_svm
* @internal
* @{
*/
#ifdef IN_RING0
/**
* Enable SVM
*
* @returns VBox status code.
* @param pVM The VM to operate on.
*/
HWACCMR0DECL(int) SVMR0Enable(PVM pVM);
/**
* Disable SVM
*
* @returns VBox status code.
* @param pVM The VM to operate on.
*/
HWACCMR0DECL(int) SVMR0Disable(PVM pVM);
/**
* Sets up and activates SVM
*
* @returns VBox status code.
* @param pVM The VM to operate on.
*/
HWACCMR0DECL(int) SVMR0Setup(PVM pVM);
/**
* Runs guest code in a SVM VM.
*
* @note NEVER EVER turn on interrupts here. Due to our illegal entry into the kernel, it might mess things up. (XP kernel traps have been frequently observed)
*
* @returns VBox status code.
* @param pVM The VM to operate on.
* @param pCtx Guest context
*/
HWACCMR0DECL(int) SVMR0RunGuestCode(PVM pVM, CPUMCTX *pCtx);
/**
* Loads the guest state
*
* @returns VBox status code.
* @param pVM The VM to operate on.
* @param pCtx Guest context
*/
HWACCMR0DECL(int) SVMR0LoadGuestState(PVM pVM, CPUMCTX *pCtx);
/* Convert hidden selector attribute word between VMX and SVM formats. */
#define SVM_HIDSEGATTR_VMX2SVM(a) (a & 0xFF) | ((a & 0xF000) >> 4)
#define SVM_HIDSEGATTR_SVM2VMX(a) (a & 0xFF) | ((a & 0x0F00) << 4)
#define SVM_WRITE_SELREG(REG, reg) \
pVMCB->guest.REG.u16Sel = pCtx->reg; \
pVMCB->guest.REG.u32Limit = pCtx->reg##Hid.u32Limit; \
pVMCB->guest.REG.u64Base = pCtx->reg##Hid.u32Base; \
if (pCtx->reg) \
pVMCB->guest.REG.u16Attr = SVM_HIDSEGATTR_VMX2SVM(pCtx->reg##Hid.Attr.u); \
else \
pVMCB->guest.REG.u16Attr = 0;
#define SVM_READ_SELREG(REG, reg) \
pCtx->reg = pVMCB->guest.REG.u16Sel; \
pCtx->reg##Hid.u32Limit = pVMCB->guest.REG.u32Limit; \
pCtx->reg##Hid.u32Base = pVMCB->guest.REG.u64Base; \
pCtx->reg##Hid.Attr.u = SVM_HIDSEGATTR_SVM2VMX(pVMCB->guest.REG.u16Attr);
#endif /* IN_RING0 */
/** @} */
__END_DECLS
#endif