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126 lines
4.7 KiB
126 lines
4.7 KiB
/* Microsoft Reference Implementation for TPM 2.0
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*
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* The copyright in this software is being made available under the BSD License,
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* included below. This software may be subject to other third party and
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* contributor rights, including patent rights, and no such rights are granted
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* under this license.
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*
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* Copyright (c) Microsoft Corporation
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*
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* All rights reserved.
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*
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* BSD License
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// This file contains the instance data for the Platform module. It is collected
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// in this file so that the state of the module is easier to manage.
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#ifndef _PLATFORM_DATA_H_
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#define _PLATFORM_DATA_H_
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#ifdef _PLATFORM_DATA_C_
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#define EXTERN
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#else
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#define EXTERN extern
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#endif
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// From Cancel.c
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// Cancel flag. It is initialized as FALSE, which indicate the command is not
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// being canceled
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EXTERN int s_isCanceled;
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#ifndef HARDWARE_CLOCK
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typedef uint64_t clock64_t;
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// This is the value returned the last time that the system clock was read. This
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// is only relevant for a simulator or virtual TPM.
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EXTERN clock64_t s_realTimePrevious;
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// These values are used to try to synthesize a long lived version of clock().
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EXTERN clock64_t s_lastSystemTime;
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EXTERN clock64_t s_lastReportedTime;
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// This is the rate adjusted value that is the equivalent of what would be read from
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// a hardware register that produced rate adjusted time.
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EXTERN clock64_t s_tpmTime;
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#endif // HARDWARE_CLOCK
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// This value indicates that the timer was reset
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EXTERN int s_timerReset;
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// This value indicates that the timer was stopped. It causes a clock discontinuity.
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EXTERN int s_timerStopped;
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// This variable records the time when _plat__TimerReset is called. This mechanism
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// allow us to subtract the time when TPM is power off from the total
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// time reported by clock() function
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EXTERN uint64_t s_initClock;
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// This variable records the timer adjustment factor.
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EXTERN unsigned int s_adjustRate;
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// For LocalityPlat.c
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// Locality of current command
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EXTERN unsigned char s_locality;
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// For NVMem.c
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// Choose if the NV memory should be backed by RAM or by file.
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// If this macro is defined, then a file is used as NV. If it is not defined,
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// then RAM is used to back NV memory. Comment out to use RAM.
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#if (!defined VTPM) || ((VTPM != NO) && (VTPM != YES))
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# undef VTPM
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# define VTPM YES // Default: Either YES or NO
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#endif
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// For a simulation, use a file to back up the NV
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#if (!defined FILE_BACKED_NV) || ((FILE_BACKED_NV != NO) && (FILE_BACKED_NV != YES))
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# undef FILE_BACKED_NV
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# define FILE_BACKED_NV (VTPM && YES) // Default: Either YES or NO
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#endif
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#if SIMULATION
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# undef FILE_BACKED_NV
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# define FILE_BACKED_NV YES
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#endif // SIMULATION
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EXTERN unsigned char s_NV[NV_MEMORY_SIZE];
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EXTERN int s_NvIsAvailable;
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EXTERN int s_NV_unrecoverable;
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EXTERN int s_NV_recoverable;
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// For PPPlat.c
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// Physical presence. It is initialized to FALSE
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EXTERN int s_physicalPresence;
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// From Power
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EXTERN int s_powerLost;
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// For Entropy.c
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EXTERN uint32_t lastEntropy;
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#define DEFINE_ACT(N) EXTERN ACT_DATA ACT_##N;
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FOR_EACH_ACT(DEFINE_ACT)
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EXTERN int actTicksAllowed;
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#endif // _PLATFORM_DATA_H_
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