githubmirror/libtpms

src/tpm2/ClockCommands.c
110 строк5 KB
Stefan Berger
rev148: Replace #ifdef TPM_CC_* with #if CC_*
03 янв 2019, 21:15
03 янв 2019, 21:1516ec297
/********************************************************************************/
/*										*/
/*			    Clocks and Timers	 				*/
/*			     Written by Ken Goldman				*/
/*		       IBM Thomas J. Watson Research Center			*/
/*            $Id: ClockCommands.c 1259 2018-07-10 19:11:09Z kgoldman $		*/
/*										*/
/*  Licenses and Notices							*/
/*										*/
/*  1. Copyright Licenses:							*/
/*										*/
/*  - Trusted Computing Group (TCG) grants to the user of the source code in	*/
/*    this specification (the "Source Code") a worldwide, irrevocable, 		*/
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/*    derivative works, distribute, display and perform the Source Code and	*/
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/*  - The TCG grants to the user of the other parts of the specification 	*/
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/*    display, and perform the specification solely for the purpose of 		*/
/*    developing products based on such documents.				*/
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/*  (c) Copyright IBM Corp. and others, 2016 - 2018				*/
/*										*/
/********************************************************************************/

#include "Tpm.h"
#include "ReadClock_fp.h"
#if CC_ReadClock  // Conditional expansion of this file
TPM_RC
TPM2_ReadClock(
	       ReadClock_Out   *out            // OUT: output parameter list
	       )
{
    // Command Output
    out->currentTime.time = g_time;
    TimeFillInfo(&out->currentTime.clockInfo);
    return TPM_RC_SUCCESS;
}
#endif // CC_ReadClock
#include "Tpm.h"
#include "ClockSet_fp.h"
#if CC_ClockSet  // Conditional expansion of this file
TPM_RC
TPM2_ClockSet(
	      ClockSet_In     *in             // IN: input parameter list
	      )
{
#define CLOCK_UPDATE_MASK  ~((1ULL << NV_CLOCK_UPDATE_INTERVAL)- 1)
    // Input Validation
    // new time can not be bigger than 0xFFFF000000000000 or smaller than
    // current clock
    if(in->newTime > 0xFFFF000000000000ULL
       || in->newTime < go.clock)
	return TPM_RCS_VALUE + RC_ClockSet_newTime;
    // Internal Data Update
    // Can't modify the clock if NV is not available.
    RETURN_IF_NV_IS_NOT_AVAILABLE;
    TimeClockUpdate(in->newTime);
    return TPM_RC_SUCCESS;
}
#endif // CC_ClockSet
#include "Tpm.h"
#include "ClockRateAdjust_fp.h"
#if CC_ClockRateAdjust  // Conditional expansion of this file
TPM_RC
TPM2_ClockRateAdjust(
		     ClockRateAdjust_In  *in             // IN: input parameter list
		     )
{
    // Internal Data Update
    TimeSetAdjustRate(in->rateAdjust);
    return TPM_RC_SUCCESS;
}
#endif // CC_ClockRateAdjust