/********************************************************************************/ /* */ /* Clocks and Timers */ /* Written by Ken Goldman */ /* IBM Thomas J. Watson Research Center */ /* */ /* 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, */ /* nonexclusive, royalty free, copyright license to reproduce, create */ /* derivative works, distribute, display and perform the Source Code and */ /* derivative works thereof, and to grant others the rights granted herein. */ /* */ /* - The TCG grants to the user of the other parts of the specification */ /* (other than the Source Code) the rights to reproduce, distribute, */ /* display, and perform the specification solely for the purpose of */ /* developing products based on such documents. */ /* */ /* 2. Source Code Distribution Conditions: */ /* */ /* - Redistributions of Source Code must retain the above copyright licenses, */ /* this list of conditions and the following disclaimers. */ /* */ /* - Redistributions in binary form must reproduce the above copyright */ /* licenses, this list of conditions and the following disclaimers in the */ /* documentation and/or other materials provided with the distribution. */ /* */ /* 3. Disclaimers: */ /* */ /* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */ /* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */ /* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */ /* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */ /* Contact TCG Administration (admin@trustedcomputinggroup.org) for */ /* information on specification licensing rights available through TCG */ /* membership agreements. */ /* */ /* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */ /* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */ /* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */ /* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */ /* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */ /* */ /* - Without limitation, TCG and its members and licensors disclaim all */ /* liability, including liability for infringement of any proprietary */ /* rights, relating to use of information in this specification and to the */ /* implementation of this specification, and TCG disclaims all liability for */ /* cost of procurement of substitute goods or services, lost profits, loss */ /* of use, loss of data or any incidental, consequential, direct, indirect, */ /* or special damages, whether under contract, tort, warranty or otherwise, */ /* arising in any way out of use or reliance upon this specification or any */ /* information herein. */ /* */ /* (c) Copyright IBM Corp. and others, 2016 - 2024 */ /* */ /********************************************************************************/ #include "Tpm.h" #include "ReadClock_fp.h" extern int verbose; #if CC_ReadClock // Conditional expansion of this file TPM_RC TPM2_ReadClock( ReadClock_Out *out // OUT: output parameter list ) { if (verbose) { FILE *f = fopen("trace.txt", "a"); fprintf(f, "TPM2_ReadClock:\n"); fclose(f); } // 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 ) { if (verbose) { FILE *f = fopen("trace.txt", "a"); fprintf(f, "TPM2_ClockSet: auth %08x\n", in->auth); fclose(f); } // 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 ) { if (verbose) { FILE *f = fopen("trace.txt", "a"); fprintf(f, "TPM2_ClockRateAdjust: auth %08x\n", in->auth); fclose(f); } // Internal Data Update TimeSetAdjustRate(in->rateAdjust); return TPM_RC_SUCCESS; } #endif // CC_ClockRateAdjust