| 1 | ; $Id: bs3-cmn-TestIsVmmDevTestingPresent.asm 58675 2015-11-12 15:47:57Z vboxsync $
|
|---|
| 2 | ;; @file
|
|---|
| 3 | ; BS3Kit - bs3TestIsVmmDevTestingPresent
|
|---|
| 4 | ;
|
|---|
| 5 |
|
|---|
| 6 | ;
|
|---|
| 7 | ; Copyright (C) 2007-2015 Oracle Corporation
|
|---|
| 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 (GPL) as published by the Free Software
|
|---|
| 13 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | ;
|
|---|
| 17 | ; The contents of this file may alternatively be used under the terms
|
|---|
| 18 | ; of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | ; VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | ; CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | ;
|
|---|
| 23 | ; You may elect to license modified versions of this file under the
|
|---|
| 24 | ; terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | ;
|
|---|
| 26 |
|
|---|
| 27 | %include "bs3kit-template-header.mac"
|
|---|
| 28 | %include "VBox/VMMDevTesting.mac"
|
|---|
| 29 |
|
|---|
| 30 | TMPL_BEGIN_TEXT
|
|---|
| 31 |
|
|---|
| 32 | ;;
|
|---|
| 33 | ; @cproto BS3_DECL(bool) bs3TestIsVmmDevTestingPresent_c16(void);
|
|---|
| 34 | ;
|
|---|
| 35 | BS3_PROC_BEGIN_CMN bs3TestIsVmmDevTestingPresent
|
|---|
| 36 | BS3_CALL_CONV_PROLOG 2
|
|---|
| 37 | push xBP
|
|---|
| 38 | mov xBP, xSP
|
|---|
| 39 | push xDX
|
|---|
| 40 |
|
|---|
| 41 | ; Check the response from the NOP port.
|
|---|
| 42 | mov dx, VMMDEV_TESTING_IOPORT_NOP
|
|---|
| 43 | in eax, dx
|
|---|
| 44 | cmp eax, VMMDEV_TESTING_NOP_RET
|
|---|
| 45 | mov eax, 0
|
|---|
| 46 | jne .return
|
|---|
| 47 | mov eax, 1
|
|---|
| 48 |
|
|---|
| 49 | .return:
|
|---|
| 50 | pop xDX
|
|---|
| 51 | leave
|
|---|
| 52 | BS3_CALL_CONV_EPILOG 2
|
|---|
| 53 | ret
|
|---|
| 54 | BS3_PROC_END_CMN bs3TestIsVmmDevTestingPresent
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
