/*
 * mytrace.h - variables needed for dinero+ to SBC trace conversion
 */

#ifndef MYTRACE_H
#define MYTRACE_H

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>

#define MAX_TABLE  50000
#define MAX_STREAM 10000
#define MAX_FIFO 20000

#define INSTR_TYPE 2


/* types */

typedef unsigned int long long 	address_t;
typedef unsigned int 		instr_t;
typedef int long long 		offset_t;
typedef char unsigned 		byte1_t;
typedef short unsigned 		byte2_t;
typedef short unsigned 		stream_t;

/* stuct for mem ref info kept along with stream table,
   just last addr because of address offset field in data address trace*/
typedef struct node_ref
{ address_t last_addr;
  struct node_ref *next;
} node_ref;

/* struct for fifo entry with data address info*/
typedef struct buffer_entry_type
{ stream_t stream_index;
  byte2_t mem_ref;
  byte1_t ready_flag;
  offset_t addr_offset;
  offset_t data_stride;
  int long long rep_count;
} buffer_entry_type;

/* struct for temp data info,
   to be kept until the end of a stream */
typedef struct temp_data
{  byte2_t mem_ref;
   address_t data_address;
   struct temp_data* next;
} temp_data;

 /* dinero+ trace file, SBC instruction trace, SBC data trace, SBC stream table file*/
 FILE *fdin, *fsbci, *fsbcd, *ftable;

 char 		*traceName; 			/* trace name */
 int		fileNum1, fileNum2;		/* partial trace first, last number */
 int 		ISLen[MAX_TABLE];		/* instruction stream length */
 address_t 	ISAddress[MAX_TABLE];		/* instruction stream start address*/
 instr_t 	currentStream[MAX_STREAM]; 	/* instructions in current stream */
 address_t 	currentStreamStart;		/* start address of the current stream */
 int 		currentLen;			/* current stream length */
 int 		tableSize;			/* size of the stream table */

 char 		currentTypeB[MAX_STREAM];	/* type of instructions in the stream */

 byte2_t 	MemRef;				/* current number of mem references in the stream */
 stream_t 	StreamIndex;			/* index of the current stream */

 address_t 		CurrentAddr;		/* current data address */
 offset_t 		TestStride;		/* variable for testing the current stride */

 node_ref* RefList[MAX_TABLE];			/* array of pointers to lists of mem ref info nodes */

 /* pointers to mem ref info nodes */
 node_ref* CurrentRef;
 node_ref* PrevRef;

 /* pointers to temp data info nodes */
 temp_data* CurrentTemp;
 temp_data* PrevTemp;
 temp_data* HeadTemp;

 buffer_entry_type 	FIFOBuffer[MAX_FIFO];		/*  FIFO buffer */
 int 			FIFOSize, FIFOTop, FIFOStart;	/* FIFO buffer size, top, and start */

 address_t	myAddr;		/* current address */
 instr_t	myIWord;	/* current instruction word */
 byte1_t	myType;		/* current reference type */


 /* functions */
void WriteFIFO(int index);
char OffsetSize(offset_t Offset);
void SearchUpdateFIFO(void);
void EmptyFIFO(void);
void NewFIFO(void);
void SearchUpdateStream(void);
void fatal(const char *msg);
void compressTrace(void);
void doInstr(void);
void doData(void);

#endif