/********************************************************************************/
/*										*/
/*			Performs the manufacturing of the TPM 			*/
/*			     Written by Ken Goldman				*/
/*		       IBM Thomas J. Watson Research Center			*/
/*										*/
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/********************************************************************************/

/* 9.9 Manufacture.c */
/* 9.9.1 Description */
/* This file contains the function that performs the manufacturing of the TPM in a simulated
   environment. These functions should not be used outside of a manufacturing or simulation
   environment. */
/* 9.9.2 Includes and Data Definitions */
#define MANUFACTURE_C
#include "Tpm.h"
#include "TpmSizeChecks_fp.h"
/* 9.9.3 Functions */
/* 9.9.3.1 TPM_Manufacture() */
/* This function initializes the TPM values in preparation for the TPMs first use. This function
   will fail if previously called. The TPM can be re-manufactured by calling TPM_Teardown() first
   and then calling this function again. */
/* Return Values Meaning */
/* -1 failure */
/* 0 success */
/* 1 manufacturing process previously performed */
LIB_EXPORT int
TPM_Manufacture(
		int             firstTime       // IN: indicates if this is the first call from
						// main()
		)
{
    TPM_SU          orderlyShutdown;

#if RUNTIME_SIZE_CHECKS
    // Call the function to verify the sizes of values that result from different
    // compile options.
    if(!TpmSizeChecks())
	return MANUF_INVALID_CONFIG;
#endif

#if LIBRARY_COMPATIBILITY_CHECK
    // Make sure that the attached library performs as expected.
    if(!ExtMath_Debug_CompatibilityCheck())
	return MANUF_INVALID_CONFIG;
#endif

    // If TPM has been manufactured, return indication.
    if(!firstTime && g_manufactured)
	return MANUF_ALREADY_DONE;
    // trigger failure mode if called in error.

    int nvReadyState = _plat__GetNvReadyState();
    pAssert(nvReadyState == NV_READY);  // else failure mode
    if(nvReadyState != NV_READY)
	{
	    return MANUF_NV_NOT_READY;
	}    // Do power on initializations of the cryptographic libraries.
    CryptInit();
    s_DAPendingOnNV = FALSE;

    // initialize NV
    NvManufacture();

    // Clear the magic value in the DRBG state
    go.drbgState.magic = 0;

    CryptStartup(SU_RESET);

    // default configuration for PCR
    PCRManufacture();

    // initialize pre-installed hierarchy data
    // This should happen after NV is initialized because hierarchy data is
    // stored in NV.
    HierarchyPreInstall_Init();
    // initialize dictionary attack parameters
    DAPreInstall_Init();
    // initialize PP list
    PhysicalPresencePreInstall_Init();
    // initialize command audit list
    CommandAuditPreInstall_Init();
    // first start up is required to be Startup(CLEAR)
    orderlyShutdown = TPM_SU_CLEAR;
    NV_WRITE_PERSISTENT(orderlyState, orderlyShutdown);
    // initialize the firmware version
    gp.firmwareV1 = _plat__GetTpmFirmwareVersionHigh();
    gp.firmwareV2 = _plat__GetTpmFirmwareVersionLow();

    _plat__GetPlatformManufactureData(gp.platformReserved,
				      sizeof(gp.platformReserved));

    NV_SYNC_PERSISTENT(platformReserved);

    NV_SYNC_PERSISTENT(firmwareV1);
    NV_SYNC_PERSISTENT(firmwareV2);

    // initialize the total reset counter to 0
    gp.totalResetCount = 0;
    NV_SYNC_PERSISTENT(totalResetCount);
    // initialize the clock stuff
    go.clock = 0;
    go.clockSafe = YES;
    NvWrite(NV_ORDERLY_DATA, sizeof(ORDERLY_DATA), &go);
    // Commit NV writes.  Manufacture process is an artificial process existing
    // only in simulator environment and it is not defined in the specification
    // that what should be the expected behavior if the NV write fails at this
    // point.  Therefore, it is assumed the NV write here is always success and
    // no return code of this function is checked.
    NvCommit();
    g_manufactured = TRUE;
    return 0;
}
/* 9.9.3.2 TPM_TearDown() */
/* This function prepares the TPM for re-manufacture. It should not be implemented in anything other
   than a simulated TPM. */
/* In this implementation, all that is needs is to stop the cryptographic units and set a flag to
   indicate that the TPM can be re-manufactured. This should be all that is necessary to start the
   manufacturing process again. */
/* Return Values Meaning */
/* 0 success */
/* 1 TPM not previously manufactured */
LIB_EXPORT int
TPM_TearDown(
	     void
	     )
{
    g_manufactured = FALSE;
    return 0;
}
/* 9.9.3.3 TpmEndSimulation() */
/* This function is called at the end of the simulation run. It is used to provoke printing of any
   statistics that might be needed. */
LIB_EXPORT void
TpmEndSimulation(
		 void
		 )
{
#if SIMULATION
    HashLibSimulationEnd();
    SymLibSimulationEnd();
    MathLibSimulationEnd();
#if ALG_RSA
    RsaSimulationEnd();
#endif
#if ALG_ECC
    EccSimulationEnd();
#endif
#endif // SIMULATION
}