1 // This file was extracted from the TCG Published 2 // Trusted Platform Module Library 3 // Part 4: Supporting Routines 4 // Family "2.0" 5 // Level 00 Revision 01.16 6 // October 30, 2014 7 8 #include "PlatformData.h" 9 #include "Platform.h" 10 // 11 // 12 // Functions 13 // 14 // _plat__Signal_PowerOn() 15 // 16 // Signal platform power on 17 // 18 LIB_EXPORT int 19 _plat__Signal_PowerOn( 20 void 21 ) 22 { 23 // Start clock 24 _plat__ClockReset(); 25 // Initialize locality 26 s_locality = 0; 27 // Command cancel 28 s_isCanceled = FALSE; 29 // Need to indicate that we lost power 30 s_powerLost = TRUE; 31 return 0; 32 } 33 // 34 // 35 // _plat__WasPowerLost() 36 // 37 // Test whether power was lost before a _TPM_Init() 38 // 39 LIB_EXPORT BOOL 40 _plat__WasPowerLost( 41 BOOL clear 42 ) 43 { 44 BOOL retVal = s_powerLost; 45 if(clear) 46 s_powerLost = FALSE; 47 return retVal; 48 } 49 // 50 // 51 // _plat_Signal_Reset() 52 // 53 // This a TPM reset without a power loss. 54 // 55 LIB_EXPORT int 56 _plat__Signal_Reset( 57 void 58 ) 59 { 60 // Need to reset the clock 61 _plat__ClockReset(); 62 // if we are doing reset but did not have a power failure, then we should 63 // not need to reload NV ... 64 return 0; 65 } 66 // 67 // 68 // _plat__Signal_PowerOff() 69 // 70 // Signal platform power off 71 // 72 LIB_EXPORT void 73 _plat__Signal_PowerOff( 74 void 75 ) 76 { 77 // Prepare NV memory for power off 78 _plat__NVDisable(); 79 return; 80 } 81
