bool HAL_Core_Validate_User_Module(void)
{
bool valid = false;
if (!SYSTEM_FLAG(StartupMode_SysFlag) & 1)
{
//CRC verification Enabled by default
if (FLASH_isUserModuleInfoValid(FLASH_INTERNAL, USER_FIRMWARE_IMAGE_LOCATION, USER_FIRMWARE_IMAGE_LOCATION))
{
//CRC check the user module and set to module_user_part_validated
valid = FLASH_VerifyCRC32(FLASH_INTERNAL, USER_FIRMWARE_IMAGE_LOCATION,
FLASH_ModuleLength(FLASH_INTERNAL, USER_FIRMWARE_IMAGE_LOCATION))
&& HAL_Verify_User_Dependencies();
}
else if(FLASH_isUserModuleInfoValid(FLASH_INTERNAL, INTERNAL_FLASH_FAC_ADDRESS, USER_FIRMWARE_IMAGE_LOCATION))
{
//Reset and let bootloader perform the user module factory reset
//Doing this instead of calling FLASH_RestoreFromFactoryResetModuleSlot()
//saves precious system_part2 flash size i.e. fits in < 128KB
HAL_Core_Factory_Reset();
while(1);//Device should reset before reaching this line
}
}
return valid;
}
uint8_t is_application_valid(uint32_t address)
{
#ifdef FLASH_UPDATE_MODULES
return FLASH_isUserModuleInfoValid(FLASH_INTERNAL, address, address) &&
FLASH_VerifyCRC32(FLASH_INTERNAL, address, FLASH_ModuleLength(FLASH_INTERNAL, address));
#else
return (((*(volatile uint32_t*)address) & APP_START_MASK) == 0x20000000);
#endif
}
bool FLASH_CheckCopyMemory(flash_device_t sourceDeviceID, uint32_t sourceAddress,
flash_device_t destinationDeviceID, uint32_t destinationAddress,
uint32_t length, uint8_t module_function, uint8_t flags)
{
if (FLASH_CheckValidAddressRange(sourceDeviceID, sourceAddress, length) != true)
{
return false;
}
if (FLASH_CheckValidAddressRange(destinationDeviceID, destinationAddress, length) != true)
{
return false;
}
#ifndef USE_SERIAL_FLASH // this predates the module system (early P1's using external flash for storage)
if ((sourceDeviceID == FLASH_INTERNAL) && (flags & MODULE_VERIFY_MASK))
{
uint32_t moduleLength = FLASH_ModuleLength(sourceDeviceID, sourceAddress);
if((flags & (MODULE_VERIFY_LENGTH|MODULE_VERIFY_CRC)) && (length < moduleLength+4))
{
return false;
}
const module_info_t* info = FLASH_ModuleInfo(sourceDeviceID, sourceAddress);
if ((info->module_function != MODULE_FUNCTION_RESOURCE) && (info->platform_id != PLATFORM_ID))
{
return false;
}
// verify destination address
if ((flags & MODULE_VERIFY_DESTINATION_IS_START_ADDRESS) && (((uint32_t)info->module_start_address) != destinationAddress))
{
return false;
}
if ((flags & MODULE_VERIFY_FUNCTION) && (info->module_function != module_function))
{
return false;
}
if ((flags & MODULE_VERIFY_CRC) && !FLASH_VerifyCRC32(sourceDeviceID, sourceAddress, moduleLength))
{
return false;
}
}
#endif
return true;
}
