#ifndef _UTIL_H_
#define _UTIL_H_

#define ENDIAN_SWAP(a) (((a&0xFF)<<24)|((a&0xFF0000)>>8)|((a&0xFF00)<<8)|((a&0xFF000000)>>24))

/* Memory Allocation for decoing the s-record */
extern void *flasher_alloc_mem( uint32_t size );
extern uint32_t get_current_mem_loc( void );
extern void set_current_mem_loc( uint32_t value );


/***************************************************************
  CRC32:
 ***************************************************************/
#define CRC32_POLY  0x04C11DB7
#define CRC32_INIT  0xFFFFFFFF
#define CRC32_FINAL 0xFFFFFFFF

#define CRC32_TABLE_SIZE  256
extern uint32_t crc32_table[];

/***************************************************************
  CRC-32-IEEE 802.3:
  =================
  Polynomial: x^32 + x^26 + x^23 + x^22 + 
              x^16 + x^12 + x^11 + x^10 + 
               x^8 +  x^7 +  x^5 +  x^4 + 
               x^2   +x   +    1 (0x04C11DB7) or 0xEDB88320
                                                (0xDB710641)
  Initial value: 0xFFFFFFFF
 ***************************************************************/
extern int get_crc32( uint32_t *crc, uint8_t *buf, int len );

#endif /* _UTIL_H_ */