1 /* Microsoft Reference Implementation for TPM 2.0
2 *
3 * The copyright in this software is being made available under the BSD License,
4 * included below. This software may be subject to other third party and
5 * contributor rights, including patent rights, and no such rights are granted
6 * under this license.
7 *
8 * Copyright (c) Microsoft Corporation
9 *
10 * All rights reserved.
11 *
12 * BSD License
13 *
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 *
17 * Redistributions of source code must retain the above copyright notice, this list
18 * of conditions and the following disclaimer.
19 *
20 * Redistributions in binary form must reproduce the above copyright notice, this
21 * list of conditions and the following disclaimer in the documentation and/or
22 * other materials provided with the distribution.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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34 */
35 //** Description
36 //
37 // This module simulates the cancel pins on the TPM.
38 //
39 //** Includes, Typedefs, Structures, and Defines
40 #include "Platform.h"
41
42 //** Functions
43
44 //***_plat__IsCanceled()
45 // Check if the cancel flag is set
46 // Return Type: int
47 // TRUE(1) if cancel flag is set
48 // FALSE(0) if cancel flag is not set
49 LIB_EXPORT int
_plat__IsCanceled(void)50 _plat__IsCanceled(
51 void
52 )
53 {
54 // return cancel flag
55 return s_isCanceled;
56 }
57
58 //***_plat__SetCancel()
59
60 // Set cancel flag.
61 LIB_EXPORT void
_plat__SetCancel(void)62 _plat__SetCancel(
63 void
64 )
65 {
66 s_isCanceled = TRUE;
67 return;
68 }
69
70 //***_plat__ClearCancel()
71 // Clear cancel flag
72 LIB_EXPORT void
_plat__ClearCancel(void)73 _plat__ClearCancel(
74 void
75 )
76 {
77 s_isCanceled = FALSE;
78 return;
79 }