util.h

dm270 source code

/*-----------------------------------------------------------------------------\
@ModuleName  ::	util.h
  
@Description ::	Header file for Utility routines 

@Copyright	 ::	Copyright 2001- Texas Instruments, Inc.

@History     ::
-------------------------------------------------------------------------------

	Dec.  26, 2001	Kedar C ([e-mail])	Start
		

\-----------------------------------------------------------------------------*/
#ifndef __UTIL_H__
#define __UTIL_H__ 

#include <system/armsys270.h>  

#define DOT		fprintf(stderr, "\n.")



#define MAKE_TAG(a, b, c, d)			( (Uint32)(a<<24 ) + (b<<16) + (c<< 8) + (d) )
#define BYTE_SWAP16(word)				( ((word) >> 8 ) + ((word) << 8) )
  
/* structs	*/
typedef struct {
	Uint8 *addr;
	Uint32 ix;
} WordStream;

/* support routines	*/
void put_str(WordStream *ptr, Uint8 *str);
void put_word16(WordStream *ptr, Uint16 word);
void put_word32(WordStream *ptr, Uint32  word);
Uint16 get_word16( Uint8 *start );
Uint32 get_word32( Uint8 *start );
Uint32 byte_swap32(Uint32 word); 
Uint16 byte_swap16(Uint16 word);
Uint8 *find_word16(Uint8 *start, Uint8 *end, const Uint16 word ); 

#endif	/*	__UTIL_H__	*/