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/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "2sysincludes.h"
#include "tlcl.h"
#include "tlcl_internal.h"
#include "utility.h"
#include "vboot_api.h"
uint32_t TlclLibInit(void)
{
return VbExTpmInit();
}
uint32_t TlclLibClose(void)
{
return TPM_SUCCESS;
}
uint32_t TlclStartup(void)
{
return TPM_SUCCESS;
}
uint32_t TlclSaveState(void)
{
return TPM_SUCCESS;
}
uint32_t TlclResume(void)
{
return TPM_SUCCESS;
}
uint32_t TlclSelfTestFull(void)
{
return TPM_SUCCESS;
}
uint32_t TlclContinueSelfTest(void)
{
return TPM_SUCCESS;
}
uint32_t TlclDefineSpace(uint32_t index, uint32_t perm, uint32_t size)
{
return TPM_SUCCESS;
}
uint32_t TlclWrite(uint32_t index, const void* data, uint32_t length)
{
return TPM_SUCCESS;
}
uint32_t TlclRead(uint32_t index, void* data, uint32_t length)
{
memset(data, '\0', length);
return TPM_SUCCESS;
}
uint32_t TlclPCRRead(uint32_t index, void* data, uint32_t length)
{
memset(data, '\0', length);
return TPM_SUCCESS;
}
uint32_t TlclWriteLock(uint32_t index)
{
return TPM_SUCCESS;
}
uint32_t TlclReadLock(uint32_t index)
{
return TPM_SUCCESS;
}
uint32_t TlclAssertPhysicalPresence(void)
{
return TPM_SUCCESS;
}
uint32_t TlclPhysicalPresenceCMDEnable(void)
{
return TPM_SUCCESS;
}
uint32_t TlclFinalizePhysicalPresence(void)
{
return TPM_SUCCESS;
}
uint32_t TlclAssertPhysicalPresenceResult(void)
{
return TPM_SUCCESS;
}
uint32_t TlclLockPhysicalPresence(void)
{
return TPM_SUCCESS;
}
uint32_t TlclSetNvLocked(void)
{
return TPM_SUCCESS;
}
int TlclIsOwned(void)
{
return 0;
}
uint32_t TlclForceClear(void)
{
return TPM_SUCCESS;
}
uint32_t TlclSetEnable(void)
{
return TPM_SUCCESS;
}
uint32_t TlclClearEnable(void)
{
return TPM_SUCCESS;
}
uint32_t TlclSetDeactivated(uint8_t flag)
{
return TPM_SUCCESS;
}
uint32_t TlclGetPermanentFlags(TPM_PERMANENT_FLAGS* pflags)
{
memset(pflags, '\0', sizeof(*pflags));
return TPM_SUCCESS;
}
uint32_t TlclGetSTClearFlags(TPM_STCLEAR_FLAGS* vflags)
{
memset(vflags, '\0', sizeof(*vflags));
return TPM_SUCCESS;
}
uint32_t TlclGetFlags(uint8_t* disable,
uint8_t* deactivated,
uint8_t *nvlocked)
{
*disable = 0;
*deactivated = 0;
*nvlocked = 0;
return TPM_SUCCESS;
}
uint32_t TlclSetGlobalLock(void)
{
return TPM_SUCCESS;
}
uint32_t TlclExtend(int pcr_num, const uint8_t* in_digest,
uint8_t* out_digest)
{
memcpy(out_digest, in_digest, kPcrDigestLength);
return TPM_SUCCESS;
}
uint32_t TlclGetPermissions(uint32_t index, uint32_t* permissions)
{
*permissions = 0;
return TPM_SUCCESS;
}
uint32_t TlclGetOwnership(uint8_t* owned)
{
*owned = 0;
return TPM_SUCCESS;
}
uint32_t TlclGetRandom(uint8_t* data, uint32_t length, uint32_t *size)
{
*size = length;
/* http://dilbert.com/strips/comic/2001-10-25/ */
memset(data, '\x9', *size);
return TPM_SUCCESS;
}
uint32_t TlclGetVersion(uint32_t* vendor, uint64_t* firmware_version,
uint8_t* vendor_specific_buf,
size_t* vendor_specific_buf_size)
{
*vendor = 0x4e4f4e45;
*firmware_version = 0x1;
if (vendor_specific_buf_size) {
*vendor_specific_buf_size = 0;
}
return TPM_SUCCESS;
}
int TlclPacketSize(const uint8_t* packet)
{
uint32_t size;
FromTpmUint32(packet + sizeof(uint16_t), &size);
return (int) size;
}
uint32_t TlclSendReceive(const uint8_t* request, uint8_t* response,
int max_length)
{
return TPM_SUCCESS;
}
uint32_t TlclIFXFieldUpgradeInfo(TPM_IFX_FIELDUPGRADEINFO* info)
{
memset(info, 0, sizeof(*info));
return TPM_SUCCESS;
}
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