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2 * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
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29 #ifndef _I386_VMX_ASM_H_
30 #define _I386_VMX_ASM_H_
32 #include <mach/machine/vm_types.h>
33 #include <mach/boolean.h>
34 #include <kern/assert.h>
35 #include <i386/eflags.h>
38 #define VMX_FAIL_INVALID -1
39 #define VMX_FAIL_VALID -2
42 static inline void enter_64bit_mode(void) {
43 __asm__
__volatile__ (
44 ".byte 0xea /* far jump longmode */ \n\t"
52 static inline void enter_compat_mode(void) {
64 #define __VMXOFF(res) \
65 __asm__ __volatile__ ( \
67 "cmovcl %2, %0 \n\t" /* CF = 1, ZF = 0 */ \
68 "cmovzl %3, %0" /* CF = 0, ZF = 1 */ \
70 : "0" (VMX_SUCCEED), \
71 "r" (VMX_FAIL_INVALID), \
72 "r" (VMX_FAIL_VALID) \
76 #define __VMXON(addr, res) \
77 __asm__ __volatile__ ( \
79 "cmovcl %2, %0 \n\t" /* CF = 1, ZF = 0 */ \
80 "cmovzl %3, %0" /* CF = 0, ZF = 1 */ \
82 : "0" (VMX_SUCCEED), \
83 "r" (VMX_FAIL_INVALID), \
84 "r" (VMX_FAIL_VALID), \
91 * __vmxoff -- Leave VMX Operation
98 #if defined (__x86_64__)
102 /* don't put anything between these lines! */
114 * __vmxon -- Enter VMX Operation
121 #if defined (__x86_64__)
125 /* don't put anything between these lines! */
137 * VMX Capability Registers (VCR)
140 #define VMX_VCR_VMCS_MEM_TYPE_BIT 50
141 #define VMX_VCR_VMCS_MEM_TYPE_MASK 0xF
143 #define VMX_VCR_VMCS_SIZE_BIT 32
144 #define VMX_VCR_VMCS_SIZE_MASK 0x01FFF
145 #define VMX_VCR_VMCS_REV_ID 0x00000000FFFFFFFFLL
147 #define VMX_VCR_ACT_HLT_BIT 6
148 #define VMX_VCR_ACT_HLT_MASK 0x1
149 #define VMX_VCR_ACT_SHUTDOWN_BIT 7
150 #define VMX_VCR_ACT_SHUTDOWN_MASK 0x1
151 #define VMX_VCR_ACT_SIPI_BIT 8
152 #define VMX_VCR_ACT_SIPI_MASK 0x1
153 #define VMX_VCR_ACT_CSTATE_BIT 9
154 #define VMX_VCR_ACT_CSTATE_MASK 0x1
155 #define VMX_VCR_CR3_TARGS_BIT 16
156 #define VMX_VCR_CR3_TARGS_MASK 0xFF
157 #define VMX_VCR_MAX_MSRS_BIT 25
158 #define VMX_VCR_MAX_MSRS_MASK 0x7
159 #define VMX_VCR_MSEG_ID_BIT 32
160 #define VMX_VCR_MSEG_ID_MASK 0xFFFFFFFF
162 #endif /* _I386_VMX_H_ */