TPMCmd/Platform/src/PPPlat.c

/* Microsoft Reference Implementation for TPM 2.0
 *
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 *  BSD License
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//** Description

//    This module simulates the physical presence interface pins on the TPM.

//** Includes
#include "Platform.h"

//** Functions

//***_plat__PhysicalPresenceAsserted()
// Check if physical presence is signaled
//  Return Type: int
//      TRUE(1)         if physical presence is signaled
//      FALSE(0)        if physical presence is not signaled
LIB_EXPORT int
_plat__PhysicalPresenceAsserted(
    void
    )
{
    // Do not know how to check physical presence without real hardware.
    // so always return TRUE;
    return s_physicalPresence;
}

//***_plat__Signal_PhysicalPresenceOn()
// Signal physical presence on
LIB_EXPORT void
_plat__Signal_PhysicalPresenceOn(
    void
    )
{
    s_physicalPresence = TRUE;
    return;
}

//***_plat__Signal_PhysicalPresenceOff()
// Signal physical presence off
LIB_EXPORT void
_plat__Signal_PhysicalPresenceOff(
    void
    )
{
    s_physicalPresence = FALSE;
    return;
}