void EraseFlash(uint32_t Address)
{
int sector = GetSector(Address);
/* Device voltage range supposed to be [2.7V to 3.6V], the operation will
be done by word */
FLASH_Erase_Sector(sector, FLASH_VOLTAGE_RANGE_3);
}
/**
* @brief Perform a mass erase or erase the specified FLASH memory sectors with interrupt enabled
* @param pEraseInit: pointer to an FLASH_EraseInitTypeDef structure that
* contains the configuration information for the erasing.
*
* @retval HAL Status
*/
HAL_StatusTypeDef HAL_FLASHEx_Erase_IT(FLASH_EraseInitTypeDef *pEraseInit)
{
HAL_StatusTypeDef status = HAL_OK;
/* Process Locked */
__HAL_LOCK(&pFlash);
/* Check the parameters */
assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
/* Enable End of FLASH Operation interrupt */
__HAL_FLASH_ENABLE_IT(FLASH_IT_EOP);
/* Enable Error source interrupt */
__HAL_FLASH_ENABLE_IT(FLASH_IT_ERR);
/* Clear pending flags (if any) */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |\
FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR| FLASH_FLAG_PGSERR);
if(pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
{
/*Mass erase to be done*/
pFlash.ProcedureOnGoing = FLASH_PROC_MASSERASE;
pFlash.Bank = pEraseInit->Banks;
FLASH_MassErase((uint8_t) pEraseInit->VoltageRange, pEraseInit->Banks);
}
else
{
/* Erase by sector to be done*/
/* Check the parameters */
assert_param(IS_FLASH_NBSECTORS(pEraseInit->NbSectors + pEraseInit->Sector));
pFlash.ProcedureOnGoing = FLASH_PROC_SECTERASE;
pFlash.NbSectorsToErase = pEraseInit->NbSectors;
pFlash.Sector = pEraseInit->Sector;
pFlash.VoltageForErase = (uint8_t)pEraseInit->VoltageRange;
/*Erase 1st sector and wait for IT*/
FLASH_Erase_Sector(pEraseInit->Sector, pEraseInit->VoltageRange);
}
return status;
}
/**
* @brief This function handles FLASH interrupt request.
* @retval None
*/
void HAL_FLASH_IRQHandler(void)
{
uint32_t addresstmp = 0U;
/* Check FLASH operation error flags */
if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR | FLASH_FLAG_RDERR)) != RESET)
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE)
{
/*return the faulty sector*/
addresstmp = pFlash.Sector;
pFlash.Sector = 0xFFFFFFFFU;
}
else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
{
/*return the faulty bank*/
addresstmp = pFlash.Bank;
}
else
{
/*return the faulty address*/
addresstmp = pFlash.Address;
}
/*Save the Error code*/
FLASH_SetErrorCode();
/* FLASH error interrupt user callback */
HAL_FLASH_OperationErrorCallback(addresstmp);
/*Stop the procedure ongoing*/
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
/* Check FLASH End of Operation flag */
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP) != RESET)
{
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE)
{
/*Nb of sector to erased can be decreased*/
pFlash.NbSectorsToErase--;
/* Check if there are still sectors to erase*/
if(pFlash.NbSectorsToErase != 0U)
{
addresstmp = pFlash.Sector;
/*Indicate user which sector has been erased*/
HAL_FLASH_EndOfOperationCallback(addresstmp);
/*Increment sector number*/
pFlash.Sector++;
addresstmp = pFlash.Sector;
FLASH_Erase_Sector(addresstmp, pFlash.VoltageForErase);
}
else
{
/*No more sectors to Erase, user callback can be called.*/
/*Reset Sector and stop Erase sectors procedure*/
pFlash.Sector = addresstmp = 0xFFFFFFFFU;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* Flush the caches to be sure of the data consistency */
FLASH_FlushCaches() ;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(addresstmp);
}
}
else
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
{
/* MassErase ended. Return the selected bank */
/* Flush the caches to be sure of the data consistency */
FLASH_FlushCaches() ;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Bank);
}
else
{
/*Program ended. Return the selected address*/
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
}
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
}
if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
{
/* Operation is completed, disable the PG, SER, SNB and MER Bits */
CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_SER | FLASH_CR_SNB | FLASH_MER_BIT));
/* Disable End of FLASH Operation interrupt */
__HAL_FLASH_DISABLE_IT(FLASH_IT_EOP);
/* Disable Error source interrupt */
__HAL_FLASH_DISABLE_IT(FLASH_IT_ERR);
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
}
}
/**
* @brief This function handles FLASH interrupt request.
* @retval None
*/
void HAL_FLASH_IRQHandler(void)
{
uint32_t temp = 0;
/* If the program operation is completed, disable the PG Bit */
FLASH->CR &= (~FLASH_CR_PG);
/* If the erase operation is completed, disable the SER Bit */
FLASH->CR &= (~FLASH_CR_SER);
FLASH->CR &= SECTOR_MASK;
/* if the erase operation is completed, disable the MER Bit */
FLASH->CR &= (~FLASH_MER_BIT);
/* Check FLASH End of Operation flag */
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP) != RESET)
{
switch (pFlash.ProcedureOnGoing)
{
case FLASH_PROC_SECTERASE :
{
/* Nb of sector to erased can be decreased */
pFlash.NbSectorsToErase--;
/* Check if there are still sectors to erase */
if(pFlash.NbSectorsToErase != 0)
{
temp = pFlash.Sector;
/* Indicate user which sector has been erased */
HAL_FLASH_EndOfOperationCallback(temp);
/* Clear pending flags (if any) */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
/* Increment sector number */
temp = ++pFlash.Sector;
FLASH_Erase_Sector(temp, pFlash.VoltageForErase);
}
else
{
/* No more sectors to Erase, user callback can be called.*/
/* Reset Sector and stop Erase sectors procedure */
pFlash.Sector = temp = 0xFFFFFFFF;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(temp);
/* Sector Erase procedure is completed */
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
}
break;
}
case FLASH_PROC_MASSERASE :
{
/* MassErase ended. Return the selected bank : in this product we don't have Banks */
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(0);
/* MAss Erase procedure is completed */
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
break;
}
case FLASH_PROC_PROGRAM :
{
/*Program ended. Return the selected address*/
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
/* Programming procedure is completed */
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
break;
}
default :
break;
}
}
/* Check FLASH operation error flags */
if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_ERSERR )) != RESET)
{
switch (pFlash.ProcedureOnGoing)
{
case FLASH_PROC_SECTERASE :
{
/* return the faulty sector */
temp = pFlash.Sector;
pFlash.Sector = 0xFFFFFFFF;
break;
}
case FLASH_PROC_MASSERASE :
{
/* No return in case of Mass Erase */
temp = 0;
break;
}
case FLASH_PROC_PROGRAM :
{
/*return the faulty address*/
temp = pFlash.Address;
break;
}
default :
break;
}
/*Save the Error code*/
FLASH_SetErrorCode();
/* FLASH error interrupt user callback */
HAL_FLASH_OperationErrorCallback(temp);
/* Clear FLASH error pending bits */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_ERSERR );
/*Stop the procedure ongoing */
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
{
/* Disable End of FLASH Operation interrupt */
__HAL_FLASH_DISABLE_IT(FLASH_IT_EOP);
/* Disable Error source interrupt */
__HAL_FLASH_DISABLE_IT(FLASH_IT_ERR);
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
}
}
/**
* @brief Perform a mass erase or erase the specified FLASH memory sectors with interrupt enabled
* @param pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
* contains the configuration information for the erasing.
*
* @retval HAL Status
*/
HAL_StatusTypeDef HAL_FLASHEx_Erase_IT(FLASH_EraseInitTypeDef *pEraseInit)
{
HAL_StatusTypeDef status = HAL_OK;
/* Process Locked */
__HAL_LOCK(&pFlash);
/* Check the parameters */
assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
assert_param(IS_VOLTAGERANGE(pEraseInit->VoltageRange));
assert_param(IS_FLASH_BANK(pEraseInit->Banks));
if((pEraseInit->Banks & FLASH_BANK_1) == FLASH_BANK_1)
{
/* Clear bank 1 pending flags (if any) */
__HAL_FLASH_CLEAR_FLAG_BANK1(FLASH_FLAG_EOP_BANK1 | FLASH_FLAG_ALL_ERRORS_BANK1);
/* Enable End of Operation and Error interrupts for Bank 1 */
__HAL_FLASH_ENABLE_IT_BANK1(FLASH_IT_EOP_BANK1 | FLASH_IT_WRPERR_BANK1 | FLASH_IT_PGSERR_BANK1 | \
FLASH_IT_STRBERR_BANK1 | FLASH_IT_INCERR_BANK1 | FLASH_IT_OPERR_BANK1);
}
if((pEraseInit->Banks & FLASH_BANK_2) == FLASH_BANK_2)
{
/* Clear bank 2 pending flags (if any) */
__HAL_FLASH_CLEAR_FLAG_BANK2(FLASH_FLAG_EOP_BANK2 | FLASH_FLAG_ALL_ERRORS_BANK2);
/* Enable End of Operation and Error interrupts for Bank 2 */
__HAL_FLASH_ENABLE_IT_BANK2(FLASH_IT_EOP_BANK2 | FLASH_IT_WRPERR_BANK2 | FLASH_IT_PGSERR_BANK2 | \
FLASH_IT_STRBERR_BANK2 | FLASH_IT_INCERR_BANK2 | FLASH_IT_OPERR_BANK2);
}
if(pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
{
/*Mass erase to be done*/
if(pEraseInit->Banks == FLASH_BANK_1)
{
pFlash.ProcedureOnGoing = FLASH_PROC_MASSERASE_BANK1;
}
else if(pEraseInit->Banks == FLASH_BANK_2)
{
pFlash.ProcedureOnGoing = FLASH_PROC_MASSERASE_BANK2;
}
else
{
pFlash.ProcedureOnGoing = FLASH_PROC_ALLBANK_MASSERASE;
}
FLASH_MassErase(pEraseInit->VoltageRange, pEraseInit->Banks);
}
else
{
/* Erase by sector to be done*/
/* Check the parameters */
assert_param(IS_FLASH_BANK_EXCLUSIVE(pEraseInit->Banks));
assert_param(IS_FLASH_NBSECTORS(pEraseInit->NbSectors + pEraseInit->Sector));
if(pEraseInit->Banks == FLASH_BANK_1)
{
pFlash.ProcedureOnGoing = FLASH_PROC_SECTERASE_BANK1;
}
else
{
pFlash.ProcedureOnGoing = FLASH_PROC_SECTERASE_BANK2;
}
pFlash.NbSectorsToErase = pEraseInit->NbSectors;
pFlash.Sector = pEraseInit->Sector;
pFlash.VoltageForErase = pEraseInit->VoltageRange;
/*Erase 1st sector and wait for IT*/
FLASH_Erase_Sector(pEraseInit->Sector, pEraseInit->Banks, pEraseInit->VoltageRange);
}
return status;
}
/**
* @brief Perform a mass erase or erase the specified FLASH memory sectors
* @param[in] pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
* contains the configuration information for the erasing.
*
* @param[out] SectorError pointer to variable that
* contains the configuration information on faulty sector in case of error
* (0xFFFFFFFF means that all the sectors have been correctly erased)
*
* @retval HAL Status
*/
HAL_StatusTypeDef HAL_FLASHEx_Erase(FLASH_EraseInitTypeDef *pEraseInit, uint32_t *SectorError)
{
HAL_StatusTypeDef status = HAL_OK;
uint32_t index = 0;
/* Process Locked */
__HAL_LOCK(&pFlash);
/* Check the parameters */
assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
assert_param(IS_VOLTAGERANGE(pEraseInit->VoltageRange));
assert_param(IS_FLASH_BANK(pEraseInit->Banks));
/* Wait for last operation to be completed */
if((pEraseInit->Banks & FLASH_BANK_1) == FLASH_BANK_1)
{
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_1);
}
if((pEraseInit->Banks & FLASH_BANK_2) == FLASH_BANK_2)
{
status |= FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_2);
}
if(status == HAL_OK)
{
/*Initialization of SectorError variable*/
*SectorError = 0xFFFFFFFF;
if(pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
{
/*Mass erase to be done*/
FLASH_MassErase(pEraseInit->VoltageRange, pEraseInit->Banks);
/* Wait for last operation to be completed */
if((pEraseInit->Banks & FLASH_BANK_1) == FLASH_BANK_1)
{
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_1);
/* if the erase operation is completed, disable the Bank1 BER Bit */
FLASH->CR1 &= (~FLASH_CR_BER);
}
if((pEraseInit->Banks & FLASH_BANK_2) == FLASH_BANK_2)
{
status |= FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_2);
/* if the erase operation is completed, disable the Bank2 BER Bit */
FLASH->CR2 &= (~FLASH_CR_BER);
}
}
else
{
/* Check the parameters */
assert_param(IS_FLASH_BANK_EXCLUSIVE(pEraseInit->Banks));
assert_param(IS_FLASH_NBSECTORS(pEraseInit->NbSectors + pEraseInit->Sector));
/* Erase by sector by sector to be done*/
for(index = pEraseInit->Sector; index < (pEraseInit->NbSectors + pEraseInit->Sector); index++)
{
FLASH_Erase_Sector(index, pEraseInit->Banks, pEraseInit->VoltageRange);
if((pEraseInit->Banks & FLASH_BANK_1) == FLASH_BANK_1)
{
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_1);
/* If the erase operation is completed, disable the SER Bit */
FLASH->CR1 &= (~(FLASH_CR_SER | FLASH_CR_SNB));
}
if((pEraseInit->Banks & FLASH_BANK_2) == FLASH_BANK_2)
{
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_2);
/* If the erase operation is completed, disable the SER Bit */
FLASH->CR2 &= (~(FLASH_CR_SER | FLASH_CR_SNB));
}
if(status != HAL_OK)
{
/* In case of error, stop erase procedure and return the faulty sector*/
*SectorError = index;
break;
}
}
}
}
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
return status;
}
/**
* @brief Perform a mass erase or erase the specified FLASH memory sectors
* @param[in] pEraseInit: pointer to an FLASH_EraseInitTypeDef structure that
* contains the configuration information for the erasing.
*
* @param[out] SectorError: pointer to variable that
* contains the configuration information on faulty sector in case of error
* (0xFFFFFFFF means that all the sectors have been correctly erased)
*
* @retval HAL Status
*/
HAL_StatusTypeDef HAL_FLASHEx_Erase(FLASH_EraseInitTypeDef *pEraseInit, uint32_t *SectorError)
{
HAL_StatusTypeDef status = HAL_ERROR;
uint32_t index = 0;
/* Process Locked */
__HAL_LOCK(&pFlash);
/* Check the parameters */
assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
if(status == HAL_OK)
{
/*Initialization of SectorError variable*/
*SectorError = 0xFFFFFFFF;
if(pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
{
/*Mass erase to be done*/
FLASH_MassErase((uint8_t) pEraseInit->VoltageRange, pEraseInit->Banks);
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
/* if the erase operation is completed, disable the MER Bit */
FLASH->CR &= (~FLASH_MER_BIT);
}
else
{
/* Check the parameters */
assert_param(IS_FLASH_NBSECTORS(pEraseInit->NbSectors + pEraseInit->Sector));
/* Erase by sector by sector to be done*/
for(index = pEraseInit->Sector; index < (pEraseInit->NbSectors + pEraseInit->Sector); index++)
{
FLASH_Erase_Sector(index, (uint8_t) pEraseInit->VoltageRange);
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
/* If the erase operation is completed, disable the SER and SNB Bits */
CLEAR_BIT(FLASH->CR, (FLASH_CR_SER | FLASH_CR_SNB));
if(status != HAL_OK)
{
/* In case of error, stop erase procedure and return the faulty sector*/
*SectorError = index;
break;
}
}
}
/* Flush the caches to be sure of the data consistency */
FLASH_FlushCaches();
}
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
return status;
}
uint32_t
TpmUtilClearAndProvision(
void
)
{
uint32_t retVal = 0;
ANY_OBJECT appPayloadAuthority = {0};
ANY_OBJECT platformAuthority = {0};
TPM2B_MAX_NV_BUFFER rawPolicy = {0};
TPMT_SIGNATURE authorizationSignature = {0};
if((retVal = TpmClearControl(0x00)) != TPM_RC_SUCCESS)
{
printf("TpmClearControl() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmClearControl() complete.\r\n");
if((retVal = TpmClear()) != TPM_RC_SUCCESS)
{
printf("TpmClear() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmClear() complete.\r\n");
if((retVal = TpmUtilCreateSrk()) != TPM_RC_SUCCESS)
{
printf("TpmUtilCreateSrk() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilCreateSrk() complete.\r\n");
if((retVal = TpmUtilCreateEk()) != TPM_RC_SUCCESS)
{
printf("TpmUtilCreateEk() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilCreateEk() complete.\r\n");
if((retVal = TpmUtilCreateCounters()) != TPM_RC_SUCCESS)
{
printf("TpmUtilCreateCounters() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilCreateCounters() complete.\r\n");
if((retVal = TpmUtilCreateAuthority("PlatformAuthority", &platformAuthority)) != TPM_RC_SUCCESS)
{
printf("TpmUtilCreateAuthority(PlatformAuthority) failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilCreateAuthority(PlatformAuthority) complete.\r\n");
persistedData.platformAuthorityName = platformAuthority.obj.name;
if((retVal = TpmUtilCreateAuthority("AppPayloadAuthority", &appPayloadAuthority)) != TPM_RC_SUCCESS)
{
printf("TpmUtilCreateAuthority(AppPayloadAuthority) failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilCreateAuthority(AppPayloadAuthority) complete.\r\n");
if((retVal = TpmUtilBuildSamplePolicy(&appPayloadAuthority, &rawPolicy)) != TPM_RC_SUCCESS)
{
printf("TpmUtilBuildSamplePolicy() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilBuildSamplePolicy() complete.\r\n");
if((retVal = TpmUtilIssueBootPolicy(&platformAuthority, &rawPolicy, &persistedData.ekName, &authorizationSignature)) != TPM_RC_SUCCESS)
{
printf("TpmUtilIssueBootPolicy() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilIssueBootPolicy() complete.\r\n");
if((retVal = TpmUtilWriteBootPolicy(&rawPolicy, &platformAuthority.obj.publicArea, &authorizationSignature)) != TPM_RC_SUCCESS)
{
printf("TpmUtilWriteBootPolicy() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilWriteBootPolicy() complete.\r\n");
if((retVal = StartEkSeededSession()) != TPM_RC_SUCCESS)
{
printf("StartEkSeededSession() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("StartEkSeededSession() complete.\r\n");
HAL_FLASH_Unlock();
FLASH_Erase_Sector(FLASH_SECTOR_23, FLASH_VOLTAGE_RANGE_3);
persistedData.magic = RAZORCLAMPERSISTEDDATA;
persistedData.version = RAZORCLAMPERSISTEDVERSION;
persistedData.size = sizeof(RazorClamPersistentDataType);
persistedData.compoundIdentity.t.size = CryptGenerateRandom(SHA256_DIGEST_SIZE, persistedData.compoundIdentity.t.buffer);
if((retVal = TpmUtilSignAppPayload(&appPayloadAuthority)) != TPM_RC_SUCCESS)
{
printf("TpmUtilSignAppPayload() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("TpmUtilSignAppPayload() complete.\r\n");
if((retVal = SetTpmAuthValues()) != TPM_RC_SUCCESS)
{
printf("SetTpmAuthValues() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("SetTpmAuthValues() complete.\r\n");
if((retVal = MeasureEventConfidential(HR_PCR + 0, persistedData.compoundIdentity.t.size, persistedData.compoundIdentity.t.buffer)) != TPM_RC_SUCCESS)
{
printf("MeasureEventConfidential() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
if((retVal = CreatePlatformDataProtectionKey()) != TPM_RC_SUCCESS)
{
printf("CreatePlatformDataProtectionKey() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
printf("CreatePlatformDataProtectionKey() complete.\r\n");
// Encrypt the authValues to be persisted
if(((retVal = ProtectPlatformData(persistedData.lockoutAuth.t.buffer, persistedData.lockoutAuth.t.size, NO)) != TPM_RC_SUCCESS) ||
((retVal = ProtectPlatformData(persistedData.endorsementAuth.t.buffer, persistedData.endorsementAuth.t.size, NO)) != TPM_RC_SUCCESS) ||
((retVal = ProtectPlatformData(persistedData.storageAuth.t.buffer, persistedData.storageAuth.t.size, NO)) != TPM_RC_SUCCESS))
{
printf("ProtectPlatformData() failed with 0x%03x.\r\n", retVal);
goto Cleanup;
}
// Persist the data in flash
for(uint32_t n = 0; n < sizeof(persistedData); n++)
{
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, ADDR_FLASH_SECTOR_23 + n, ((uint8_t*)&persistedData)[n]) != HAL_OK)
{
printf("Flash Write Error @ 0x%08x\r\n", ADDR_FLASH_SECTOR_23 + n);
}
}
HAL_FLASH_Lock();
Cleanup:
if(platformAuthority.obj.handle != 0)
{
FlushContext(&platformAuthority);
}
if(appPayloadAuthority.obj.handle != 0)
{
FlushContext(&appPayloadAuthority);
}
if(volatileData.ekSeededSession.handle != 0)
{
FlushContext((ANY_OBJECT*)&volatileData.ekSeededSession);
MemorySet(&volatileData.ekSeededSession, 0x00, sizeof(volatileData.ekSeededSession));
}
return retVal;
}
/**
* @brief Restore the pages to a known good state in case of page's status
* corruption after a power loss.
* @param None.
* @retval - Flash error code: on write Flash error
* - FLASH_COMPLETE: on success
*/
uint32_t EE_Init(void)
{
uint16_t PageStatus0 = 6, PageStatus1 = 6;
uint16_t VarIdx = 0;
uint16_t EepromStatus = 0, ReadStatus = 0;
int16_t x = -1;
HAL_StatusTypeDef OperationStatus;
/* Get Page0 status */
PageStatus0 = (*(__IO uint16_t*)PAGE0_BASE_ADDRESS);
/* Get Page1 status */
PageStatus1 = (*(__IO uint16_t*)PAGE1_BASE_ADDRESS);
/* Check for invalid header states and repair if necessary */
switch (PageStatus0)
{
case ERASED:
if (PageStatus1 == VALID_PAGE) /* Page0 erased, Page1 valid */
{
/* Erase Page0 */
FLASH_Erase_Sector(PAGE0_ID,VOLTAGE_RANGE);
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
}
else if (PageStatus1 == RECEIVE_DATA) /* Page0 erased, Page1 receive */
{
/* Erase Page0 */
FLASH_Erase_Sector(PAGE0_ID,VOLTAGE_RANGE);
/* If erase operation was failed, a Flash error code is returned */
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
/* Mark Page1 as valid */
OperationStatus = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD,PAGE1_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
}
else /* First EEPROM access (Page0&1 are erased) or invalid state -> format EEPROM */
{
/* Erase both Page0 and Page1 and set Page0 as valid page */
OperationStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
}
break;
case RECEIVE_DATA:
if (PageStatus1 == VALID_PAGE) /* Page0 receive, Page1 valid */
{
/* Transfer data from Page1 to Page0 */
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++)
{
if (( *(__IO uint16_t*)(PAGE0_BASE_ADDRESS + 6)) == VirtAddVarTab[VarIdx])
{
x = VarIdx;
}
if (VarIdx != x)
{
/* Read the last variables' updates */
ReadStatus = EE_ReadVariable(VirtAddVarTab[VarIdx], &DataVar);
/* In case variable corresponding to the virtual address was found */
if (ReadStatus != 0x1)
{
/* Transfer the variable to the Page0 */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddVarTab[VarIdx], DataVar);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return HAL_FLASH_GetError();
}
}
}
}
/* Mark Page0 as valid */
OperationStatus = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, PAGE0_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (OperationStatus != HAL_OK)
{
return HAL_FLASH_GetError();;
}
/* Erase Page1 */
FLASH_Erase_Sector(PAGE1_ID, VOLTAGE_RANGE);
/* If erase operation was failed, a Flash error code is returned */
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
}
else if (PageStatus1 == ERASED) /* Page0 receive, Page1 erased */
{
/* Erase Page1 */
FLASH_Erase_Sector(PAGE1_ID, VOLTAGE_RANGE);
/* If erase operation was failed, a Flash error code is returned */
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
/* Mark Page0 as valid */
OperationStatus = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, PAGE0_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (OperationStatus != HAL_OK)
{
return HAL_FLASH_GetError();
}
}
else /* Invalid state -> format eeprom */
{
/* Erase both Page0 and Page1 and set Page0 as valid page */
OperationStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (OperationStatus != HAL_OK)
{
return HAL_FLASH_GetError();
}
}
break;
case VALID_PAGE:
if (PageStatus1 == VALID_PAGE) /* Invalid state -> format eeprom */
{
/* Erase both Page0 and Page1 and set Page0 as valid page */
OperationStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (OperationStatus != HAL_OK)
{
return HAL_FLASH_GetError();
}
}
else if (PageStatus1 == ERASED) /* Page0 valid, Page1 erased */
{
/* Erase Page1 */
FLASH_Erase_Sector(PAGE1_ID, VOLTAGE_RANGE);
/* If erase operation was failed, a Flash error code is returned */
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
}
else /* Page0 valid, Page1 receive */
{
/* Transfer data from Page0 to Page1 */
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++)
{
if ((*(__IO uint16_t*)(PAGE1_BASE_ADDRESS + 6)) == VirtAddVarTab[VarIdx])
{
x = VarIdx;
}
if (VarIdx != x)
{
/* Read the last variables' updates */
ReadStatus = EE_ReadVariable(VirtAddVarTab[VarIdx], &DataVar);
/* In case variable corresponding to the virtual address was found */
if (ReadStatus != 0x1)
{
/* Transfer the variable to the Page1 */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddVarTab[VarIdx], DataVar);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return HAL_FLASH_GetError();
}
}
}
}
/* Mark Page1 as valid */
OperationStatus = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, PAGE1_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
/* Erase Page0 */
FLASH_Erase_Sector(PAGE0_ID, VOLTAGE_RANGE);
/* If erase operation was failed, a Flash error code is returned */
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus == HAL_ERROR)
{
return HAL_FLASH_GetError();
}
}
break;
default: /* Any other state -> format eeprom */
/* Erase both Page0 and Page1 and set Page0 as valid page */
OperationStatus = EE_Format();
/* If erase/program operation was failed, a Flash error code is returned */
if (OperationStatus != HAL_OK)
{
return OperationStatus;
}
break;
}
return HAL_OK;
}
/**
* @brief Transfers last updated variables data from the full Page to
* an empty one.
* @param VirtAddress: 16 bit virtual address of the variable
* @param Data: 16 bit data to be written as variable value
* @retval Success or error status:
* - FLASH_COMPLETE: on success
* - PAGE_FULL: if valid page is full
* - NO_VALID_PAGE: if no valid page was found
* - Flash error code: on write Flash error
*/
static uint16_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
{
HAL_StatusTypeDef FlashStatus = HAL_OK;
uint32_t NewPageAddress = EEPROM_START_ADDRESS;
uint16_t OldPageId=0;
uint16_t ValidPage = PAGE0, VarIdx = 0;
uint16_t EepromStatus = 0, ReadStatus = 0;
/* Get active Page for read operation */
ValidPage = EE_FindValidPage(READ_FROM_VALID_PAGE);
if (ValidPage == PAGE1) /* Page1 valid */
{
/* New page address where variable will be moved to */
NewPageAddress = PAGE0_BASE_ADDRESS;
/* Old page ID where variable will be taken from */
OldPageId = PAGE1_ID;
}
else if (ValidPage == PAGE0) /* Page0 valid */
{
/* New page address where variable will be moved to */
NewPageAddress = PAGE1_BASE_ADDRESS;
/* Old page ID where variable will be taken from */
OldPageId = PAGE0_ID;
}
else
{
return NO_VALID_PAGE; /* No valid Page */
}
/* Set the new Page status to RECEIVE_DATA status */
FlashStatus = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, NewPageAddress, RECEIVE_DATA);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return (uint16_t)FlashStatus;
}
/* Write the variable passed as parameter in the new active page */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddress, Data);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return EepromStatus;
}
/* Transfer process: transfer variables from old to the new active page */
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++)
{
if (VirtAddVarTab[VarIdx] != VirtAddress) /* Check each variable except the one passed as parameter */
{
/* Read the other last variable updates */
ReadStatus = EE_ReadVariable(VirtAddVarTab[VarIdx], &DataVar);
/* In case variable corresponding to the virtual address was found */
if (ReadStatus != 0x1)
{
/* Transfer the variable to the new active page */
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddVarTab[VarIdx], DataVar);
/* If program operation was failed, a Flash error code is returned */
if (EepromStatus != HAL_OK)
{
return EepromStatus;
}
}
}
}
/* Erase the old Page: Set old Page status to ERASED status */
FLASH_Erase_Sector(OldPageId, VOLTAGE_RANGE);
/* If erase operation was failed, a Flash error code is returned */
FlashStatus = FLASH_WaitForLastOperation(1000);
if(FlashStatus != HAL_OK)
{
return FlashStatus;
}
/* Set new Page status to VALID_PAGE status */
FlashStatus = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, NewPageAddress, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (FlashStatus != HAL_OK)
{
return FlashStatus;
}
/* Return last operation flash status */
return FlashStatus;
}
static void
stm32f4_flash_erase_sector_id(int sector_id)
{
FLASH_Erase_Sector(sector_id, FLASH_VOLTAGE_RANGE_1);
}
/*
* Erase Sector in Flash Memory
* Parameter: adr: Sector Address
* Return Value: 0 - OK, 1 - Failed
*/
int c_eep::EraseSector (unsigned long adr) {
FLASH_Erase_Sector(adr,FLASH_VOLTAGE_RANGE_1);//?
}
/**
* @brief Erases PAGE and PAGE1 and writes VALID_PAGE header to PAGE
* @param None
* @retval Status of the last operation (Flash write or erase) done during
* EEPROM formating
*/
static HAL_StatusTypeDef EE_Format(void)
{
HAL_StatusTypeDef OperationStatus = HAL_OK;
/* Erase Page0 */
FLASH_Erase_Sector(PAGE0_ID, VOLTAGE_RANGE);
/* If erase operation was failed, a Flash error code is returned */
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus != HAL_OK)
{
return OperationStatus;
}
/* Set Page0 as valid page: Write VALID_PAGE at Page0 base address */
OperationStatus = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, PAGE0_BASE_ADDRESS, VALID_PAGE);
/* If program operation was failed, a Flash error code is returned */
if (OperationStatus != HAL_OK)
{
return OperationStatus;
}
/* Erase Page1 */
FLASH_Erase_Sector(PAGE1_ID, VOLTAGE_RANGE);
OperationStatus = FLASH_WaitForLastOperation(1000);
if(OperationStatus != HAL_OK)
{
return OperationStatus;
}
/* Return Page1 erase operation status */
return OperationStatus;
}
int hacs_pstore_set(hacs_pstore_type_t ent, uint8_t *wbuf, uint32_t byte_len)
{
uint32_t ent_addr = hacs_pstore_ent_rel_addr[ent];
hacs_pstore_entry_t *ent_header;
hacs_pstore_header_t *bank_header;
uint8_t *buf_ptr;
uint32_t counter;
uint32_t temp;
uint32_t sector;
int retval;
// Read in the entire current bank
memcpy(ram_buf, (uint8_t*)current_bank_addr, HACS_PSTORE_BANK_SIZE);
// Check entry size. Make sure we are not writing something too big.
retval = -HACS_INVALID_ARGS;
HACS_REQUIRES(byte_len <= hacs_pstore_ent_size[ent], done);
// Update entry content
buf_ptr = (uint8_t*)(ram_buf + ent_addr + sizeof(hacs_pstore_entry_t));
memcpy(buf_ptr, wbuf, byte_len);
// Update entry header
ent_header = (hacs_pstore_entry_t*)(ram_buf + ent_addr);
ent_header->byte_len = byte_len;
ent_header->crc = hacs_crc32_calc(wbuf, byte_len); // each entry has its own CRC
// Update bank header
bank_header = (hacs_pstore_header_t *)ram_buf;
bank_header->bank_version++;
bank_header->layout_version = HACS_PSTORE_LAYOUT_VERSION;
// Write the ram buffer to the alternate bank
HAL_FLASH_Unlock();
sector = (alternate_bank_addr == HACS_PSTORE_0_ADDR) ? HACS_PSTORE_0_SECTOR : HACS_PSTORE_1_SECTOR;
FLASH_Erase_Sector(sector, VOLTAGE_RANGE_3);
// Write the ram buffer word by word.
counter = 0;
while(counter < sizeof(ram_buf)) {
HAL_FLASH_Program(TYPEPROGRAM_WORD, alternate_bank_addr+counter,
*(uint32_t*)(ram_buf+counter)); // unaligned access supported
counter += 4;
}
// Note that I exploit the fact that the ram buffer is word-aligned
// (its length is multiple of 4).
assert(counter == sizeof(ram_buf));
HAL_FLASH_Lock();
// Switch current bank and alternate bank
temp = alternate_bank_addr;
alternate_bank_addr = current_bank_addr;
current_bank_addr = temp;
retval = HACS_NO_ERROR;
done:
return retval;
}
HAL_StatusTypeDef
TpmUtilStorePersistedData(
void
)
{
HAL_StatusTypeDef retVal = HAL_OK;
HAL_FLASH_Unlock();
FLASH_Erase_Sector(FLASH_SECTOR_23, FLASH_VOLTAGE_RANGE_3);
for(uint32_t n = 0; n < sizeof(persistedData); n++)
{
if((retVal = HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, ADDR_FLASH_SECTOR_23 + n, ((uint8_t*)&persistedData)[n])) != HAL_OK)
{
printf("Flash Write Error @ 0x%08x\r\n", ADDR_FLASH_SECTOR_23 + n);
goto Cleanup;
}
}
Cleanup:
HAL_FLASH_Lock();
}