bl_app_crc_check.h

/*
 * Copyright (c) 2014 - 2015, Freescale Semiconductor, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 *
 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */

#ifndef __APP_CRC_CHECK_H__
#define __APP_CRC_CHECK_H__

#include <stdint.h>
#include "bootloader_common.h"


// Declarations

enum _crc_check_status
{
    kStatus_AppCrcCheckPassed = MAKE_STATUS(kStatusGroup_AppCrcCheck, 0), 
    kStatus_AppCrcCheckFailed = MAKE_STATUS(kStatusGroup_AppCrcCheck, 1), 
    kStatus_AppCrcCheckInactive =
        MAKE_STATUS(kStatusGroup_AppCrcCheck, 2), 
    kStatus_AppCrcCheckInvalid =
        MAKE_STATUS(kStatusGroup_AppCrcCheck,
                    3), 
    kStatus_AppCrcCheckOutOfRange =
        MAKE_STATUS(kStatusGroup_AppCrcCheck, 4) 
};

typedef struct _crc_checksum_header
{
    uint32_t tag; 
    uint32_t crcStartAddress;  
    uint32_t crcByteCount;     
    uint32_t crcExpectedValue; 
} crc_checksum_header_t;

// Prototypes

#if __cplusplus
extern "C" {
#endif



#if BL_FEATURE_CRC_ASSERT
void restore_crc_check_failure_pin(void);
#endif

void init_crc_check_status(property_store_t *propertyStore);

bool is_application_crc_check_pass(void);

uint32_t calculate_application_crc32(crc_checksum_header_t *header, uint32_t crcHeaderStart);


#if __cplusplus
}
#endif


#endif // __APP_CRC_CHECK_H__
// EOF