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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32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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34 */
35 //** Description
36
37 // This file contains functions that receive the simulated power state
38 // transitions of the TPM.
39
40 //** Includes and Data Definitions
41 #define POWER_C
42 #include "Tpm.h"
43
44 //** Functions
45
46 //*** TPMInit()
47 // This function is used to process a power on event.
48 void
TPMInit(void)49 TPMInit(
50 void
51 )
52 {
53 // Set state as not initialized. This means that Startup is required
54 g_initialized = FALSE;
55 return;
56 }
57
58 //*** TPMRegisterStartup()
59 // This function registers the fact that the TPM has been initialized
60 // (a TPM2_Startup() has completed successfully).
61 BOOL
TPMRegisterStartup(void)62 TPMRegisterStartup(
63 void
64 )
65 {
66 g_initialized = TRUE;
67 return TRUE;
68 }
69
70 //*** TPMIsStarted()
71 // Indicates if the TPM has been initialized (a TPM2_Startup() has completed
72 // successfully after a _TPM_Init).
73 // Return Type: BOOL
74 // TRUE(1) TPM has been initialized
75 // FALSE(0) TPM has not been initialized
76 BOOL
TPMIsStarted(void)77 TPMIsStarted(
78 void
79 )
80 {
81 return g_initialized;
82 }
83