| 1 | /* $Id: HWVMXR0.h 23 2007-01-15 14:08:28Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * HWACCM SVM - Internal header file.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License as published by the Free Software Foundation,
|
|---|
| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * If you received this file as part of a commercial VirtualBox
|
|---|
| 18 | * distribution, then only the terms of your commercial VirtualBox
|
|---|
| 19 | * license agreement apply instead of the previous paragraph.
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 | #ifndef __HWVMXR0_h__
|
|---|
| 23 | #define __HWVMXR0_h__
|
|---|
| 24 |
|
|---|
| 25 | #include <VBox/cdefs.h>
|
|---|
| 26 | #include <VBox/types.h>
|
|---|
| 27 | #include <VBox/em.h>
|
|---|
| 28 | #include <VBox/stam.h>
|
|---|
| 29 | #include <VBox/dis.h>
|
|---|
| 30 | #include <VBox/hwaccm.h>
|
|---|
| 31 | #include <VBox/pgm.h>
|
|---|
| 32 | #include <VBox/hwacc_vmx.h>
|
|---|
| 33 |
|
|---|
| 34 | __BEGIN_DECLS
|
|---|
| 35 |
|
|---|
| 36 | /** @defgroup grp_vmx Internal
|
|---|
| 37 | * @ingroup grp_vmx
|
|---|
| 38 | * @internal
|
|---|
| 39 | * @{
|
|---|
| 40 | */
|
|---|
| 41 |
|
|---|
| 42 | #ifdef IN_RING0
|
|---|
| 43 |
|
|---|
| 44 | /**
|
|---|
| 45 | * Enable VMX
|
|---|
| 46 | *
|
|---|
| 47 | * @returns VBox status code.
|
|---|
| 48 | * @param pVM The VM to operate on.
|
|---|
| 49 | */
|
|---|
| 50 | HWACCMR0DECL(int) VMXR0Enable(PVM pVM);
|
|---|
| 51 |
|
|---|
| 52 | /**
|
|---|
| 53 | * Disable VMX
|
|---|
| 54 | *
|
|---|
| 55 | * @returns VBox status code.
|
|---|
| 56 | * @param pVM The VM to operate on.
|
|---|
| 57 | */
|
|---|
| 58 | HWACCMR0DECL(int) VMXR0Disable(PVM pVM);
|
|---|
| 59 |
|
|---|
| 60 | /**
|
|---|
| 61 | * Sets up and activates VMX
|
|---|
| 62 | *
|
|---|
| 63 | * @returns VBox status code.
|
|---|
| 64 | * @param pVM The VM to operate on.
|
|---|
| 65 | */
|
|---|
| 66 | HWACCMR0DECL(int) VMXR0Setup(PVM pVM);
|
|---|
| 67 |
|
|---|
| 68 |
|
|---|
| 69 | /**
|
|---|
| 70 | * Save the host state
|
|---|
| 71 | *
|
|---|
| 72 | * @returns VBox status code.
|
|---|
| 73 | * @param pVM The VM to operate on.
|
|---|
| 74 | */
|
|---|
| 75 | HWACCMR0DECL(int) VMXR0SaveHostState(PVM pVM);
|
|---|
| 76 |
|
|---|
| 77 | /**
|
|---|
| 78 | * Loads the guest state
|
|---|
| 79 | *
|
|---|
| 80 | * @returns VBox status code.
|
|---|
| 81 | * @param pVM The VM to operate on.
|
|---|
| 82 | * @param pCtx Guest context
|
|---|
| 83 | */
|
|---|
| 84 | HWACCMR0DECL(int) VMXR0LoadGuestState(PVM pVM, CPUMCTX *pCtx);
|
|---|
| 85 |
|
|---|
| 86 |
|
|---|
| 87 | /**
|
|---|
| 88 | * Runs guest code in a VMX VM.
|
|---|
| 89 | *
|
|---|
| 90 | * @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)
|
|---|
| 91 | *
|
|---|
| 92 | * @returns VBox status code.
|
|---|
| 93 | * @param pVM The VM to operate on.
|
|---|
| 94 | * @param pCtx Guest context
|
|---|
| 95 | */
|
|---|
| 96 | HWACCMR0DECL(int) VMXR0RunGuestCode(PVM pVM, CPUMCTX *pCtx);
|
|---|
| 97 |
|
|---|
| 98 |
|
|---|
| 99 | #define VMX_WRITE_SELREG(REG, reg) \
|
|---|
| 100 | rc = VMXWriteVMCS(VMX_VMCS_GUEST_FIELD_##REG, pCtx->reg); \
|
|---|
| 101 | rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_LIMIT, pCtx->reg##Hid.u32Limit); \
|
|---|
| 102 | rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_BASE, pCtx->reg##Hid.u32Base); \
|
|---|
| 103 | if (pCtx->eflags.u32 & X86_EFL_VM) \
|
|---|
| 104 | val = pCtx->reg##Hid.Attr.u; \
|
|---|
| 105 | else \
|
|---|
| 106 | if (pCtx->reg && pCtx->reg##Hid.Attr.n.u1Present == 1) \
|
|---|
| 107 | val = pCtx->reg##Hid.Attr.u | X86_SEL_TYPE_ACCESSED; \
|
|---|
| 108 | else \
|
|---|
| 109 | val = 0x10000; /* Invalid guest state error otherwise. (BIT(16) = Unusable) */ \
|
|---|
| 110 | \
|
|---|
| 111 | rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_ACCESS_RIGHTS, val);
|
|---|
| 112 |
|
|---|
| 113 | #define VMX_READ_SELREG(REG, reg) \
|
|---|
| 114 | VMXReadVMCS(VMX_VMCS_GUEST_FIELD_##REG, &val); \
|
|---|
| 115 | pCtx->reg = val; \
|
|---|
| 116 | VMXReadVMCS(VMX_VMCS_GUEST_##REG##_LIMIT, &val); \
|
|---|
| 117 | pCtx->reg##Hid.u32Limit = val; \
|
|---|
| 118 | VMXReadVMCS(VMX_VMCS_GUEST_##REG##_BASE, &val); \
|
|---|
| 119 | pCtx->reg##Hid.u32Base = val; \
|
|---|
| 120 | VMXReadVMCS(VMX_VMCS_GUEST_##REG##_ACCESS_RIGHTS, &val); \
|
|---|
| 121 | pCtx->reg##Hid.Attr.u = val;
|
|---|
| 122 |
|
|---|
| 123 |
|
|---|
| 124 | #endif /* IN_RING0 */
|
|---|
| 125 |
|
|---|
| 126 | /** @} */
|
|---|
| 127 |
|
|---|
| 128 | __END_DECLS
|
|---|
| 129 |
|
|---|
| 130 | #endif
|
|---|
| 131 |
|
|---|
