1 // This file was extracted from the TCG Published 2 // Trusted Platform Module Library 3 // Part 3: Commands 4 // Family "2.0" 5 // Level 00 Revision 01.16 6 // October 30, 2014 7 8 #include "InternalRoutines.h" 9 #include "ReadClock_fp.h" 10 TPM_RC 11 TPM2_ReadClock( 12 ReadClock_Out *out // OUT: output parameter list 13 ) 14 { 15 // Command Output 16 out->currentTime.time = g_time; 17 TimeFillInfo(&out->currentTime.clockInfo); 18 19 #ifndef EMBEDDED_MODE 20 { 21 UINT64 start_time = _plat__ClockTimeFromStart(); 22 // When running on a simulator, some tests fail, because two commands 23 // invoked back to back happen to run within the same millisecond, but 24 // the test expects time readings to be different. Modifying the tests 25 // is more involved, let's just wait a couple of milliseconds here to 26 // avoid those tests' false negatives. 27 while ((_plat__ClockTimeFromStart() - start_time) < 2) 28 ; 29 } 30 #endif 31 return TPM_RC_SUCCESS; 32 } 33
