| Vadim Bendebury | 5679752 | 2015-05-20 10:32:25 -0700 | [diff] [blame] | 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 | } |