[deliverable/binutils-gdb.git] / sim / d10v / d10v_sim.h

#include <stdio.h>
#include <ctype.h>
#include <limits.h>
#include "ansidecl.h"
#include "callback.h"
#include "opcode/d10v.h"

#define DEBUG_TRACE		0x00000001
#define DEBUG_VALUES		0x00000002
#define DEBUG_LINE_NUMBER	0x00000004
#define DEBUG_MEMSIZE		0x00000008
#define DEBUG_INSTRUCTION	0x00000010

#ifndef	DEBUG
#define	DEBUG (DEBUG_TRACE | DEBUG_VALUES | DEBUG_LINE_NUMBER)
#endif

extern int d10v_debug;

#if UCHAR_MAX == 255
typedef unsigned char uint8;
typedef signed char int8;
#else
#error "Char is not an 8-bit type"
#endif

#if SHRT_MAX == 32767
typedef unsigned short uint16;
typedef signed short int16;
#else
#error "Short is not a 16-bit type"
#endif

#if INT_MAX == 2147483647
typedef unsigned int uint32;
typedef signed int int32;

#elif LONG_MAX == 2147483647
typedef unsigned long uint32;
typedef signed long int32;

#else
#error "Neither int nor long is a 32-bit type"
#endif

#if LONG_MAX > 2147483647
typedef unsigned long uint64;
typedef signed long int64;

#elif __GNUC__
typedef unsigned long long uint64;
typedef signed long long int64;

#else
#error "Can't find an appropriate 64-bit type"
#endif

/* FIXME: D10V defines */
typedef uint16 reg_t;

struct simops 
{
  long opcode;
  long mask;
  int format;
  int cycles;
  int unit;
  int exec_type;
  void (*func)();
  int numops;
  int operands[9];
};

enum _ins_type
{
  INS_UNKNOWN,
  INS_LEFT,
  INS_RIGHT,
  INS_LEFT_PARALLEL,
  INS_RIGHT_PARALLEL,
  INS_LONG,
  INS_MAX
};

extern long ins_type_counters[ (int)INS_MAX ];
extern long left_nops, right_nops;

struct _state
{
  reg_t regs[16];		/* general-purpose registers */
  reg_t cregs[16];		/* control registers */
  int64 a[2];			/* accumulators */
  uint8 SM;
  uint8 EA;
  uint8 DB;
  uint8 IE;
  uint8 RP;
  uint8 MD;
  uint8 FX;
  uint8 ST;
  uint8 F0;
  uint8 F1;
  uint8 C;
  uint8 exe;
  uint8 *imem;
  uint8 *dmem;
  uint32 mem_min;
  uint32 mem_max;
  int   exception;
  enum _ins_type ins_type;
} State;

extern host_callback *d10v_callback;
extern uint16 OP[4];
extern struct simops Simops[];

#define PC	(State.cregs[2])
#define PSW	(State.cregs[0])
#define BPSW	(State.cregs[1])
#define BPC	(State.cregs[3])
#define RPT_C	(State.cregs[7])
#define RPT_S	(State.cregs[8])
#define RPT_E	(State.cregs[9])
#define MOD_S	(State.cregs[10])
#define MOD_E	(State.cregs[11])
#define IBA	(State.cregs[14])

#define SIG_D10V_STOP	-1
#define SIG_D10V_EXIT	-2

#define SEXT3(x)	((((x)&0x7)^(~3))+4)	

/* sign-extend a 4-bit number */
#define SEXT4(x)	((((x)&0xf)^(~7))+8)	

/* sign-extend an 8-bit number */
#define SEXT8(x)	((((x)&0xff)^(~0x7f))+0x80)

/* sign-extend a 16-bit number */
#define SEXT16(x)	((((x)&0xffff)^(~0x7fff))+0x8000)

/* sign-extend a 32-bit number */
#define SEXT32(x)	((((x)&0xffffffffLL)^(~0x7fffffffLL))+0x80000000LL)

/* sign extend a 40 bit number */
#define SEXT40(x)	((((x)&0xffffffffffLL)^(~0x7fffffffffLL))+0x8000000000LL)

/* sign extend a 44 bit number */
#define SEXT44(x)	((((x)&0xfffffffffffLL)^(~0x7ffffffffffLL))+0x80000000000LL)

/* sign extend a 60 bit number */
#define SEXT60(x)	((((x)&0xfffffffffffffffLL)^(~0x7ffffffffffffffLL))+0x800000000000000LL)

#define MAX32	0x7fffffffLL
#define MIN32	0xff80000000LL
#define MASK32	0xffffffffLL
#define MASK40	0xffffffffffLL

#define INC_ADDR(x,i)	x = ((State.MD && x == MOD_E) ? MOD_S : (x)+(i))

#define	RB(x)	(*((uint8 *)((x)+State.imem)))
#define SB(addr,data)	( RB(addr) = (data & 0xff))

#if defined(__GNUC__) && defined(__OPTIMIZE__) && !defined(NO_ENDIAN_INLINE)
#define ENDIAN_INLINE static __inline__
#include "endian.c"
#undef ENDIAN_INLINE

#else
extern uint32 get_longword PARAMS ((uint8 *));
extern uint16 get_word PARAMS ((uint8 *));
extern int64 get_longlong PARAMS ((uint8 *));
extern void write_word PARAMS ((uint8 *addr, uint16 data));
extern void write_longword PARAMS ((uint8 *addr, uint32 data));
extern void write_longlong PARAMS ((uint8 *addr, int64 data));
#endif

#define SW(addr,data)		write_word((long)(addr)+State.imem,data)
#define RW(x)			get_word((long)(x)+State.imem)
#define SLW(addr,data)  	write_longword((long)(addr)+State.imem,data)
#define RLW(x)			get_longword((long)(x)+State.imem)
#define READ_16(x)		get_word(x)
#define WRITE_16(addr,data)	write_word(addr,data)
#define READ_64(x)		get_longlong(x)
#define WRITE_64(addr,data)	write_longlong(addr,data)
Commit	Line	Data
2934d1c9 MH	1	#include <stdio.h>
2934d1c9 MH	2	#include <ctype.h>
7eebfc62	3	#include <limits.h>
2934d1c9	4	#include "ansidecl.h"
87178dbd	5	#include "callback.h"
2934d1c9 MH	6	#include "opcode/d10v.h"
2934d1c9 MH	7
7eebfc62 MM	8	#define DEBUG_TRACE 0x00000001
7eebfc62 MM	9	#define DEBUG_VALUES 0x00000002
5c255669 MM	10	#define DEBUG_LINE_NUMBER 0x00000004
	11	#define DEBUG_MEMSIZE 0x00000008
	12	#define DEBUG_INSTRUCTION 0x00000010
	13
	14	#ifndef DEBUG
	15	#define DEBUG (DEBUG_TRACE \| DEBUG_VALUES \| DEBUG_LINE_NUMBER)
	16	#endif
87178dbd	17
7eebfc62	18	extern int d10v_debug;
87178dbd	19
7eebfc62	20	#if UCHAR_MAX == 255
2934d1c9	21	typedef unsigned char uint8;
2934d1c9	22	typedef signed char int8;
7eebfc62 MM	23	#else
	24	#error "Char is not an 8-bit type"
	25	#endif
	26
	27	#if SHRT_MAX == 32767
	28	typedef unsigned short uint16;
2934d1c9	29	typedef signed short int16;
7eebfc62 MM	30	#else
	31	#error "Short is not a 16-bit type"
	32	#endif
	33
	34	#if INT_MAX == 2147483647
	35	typedef unsigned int uint32;
2934d1c9	36	typedef signed int int32;
7eebfc62 MM	37
	38	#elif LONG_MAX == 2147483647
	39	typedef unsigned long uint32;
	40	typedef signed long int32;
	41
	42	#else
	43	#error "Neither int nor long is a 32-bit type"
	44	#endif
	45
	46	#if LONG_MAX > 2147483647
	47	typedef unsigned long uint64;
	48	typedef signed long int64;
	49
	50	#elif __GNUC__
	51	typedef unsigned long long uint64;
2934d1c9 MH	52	typedef signed long long int64;
2934d1c9 MH	53
7eebfc62 MM	54	#else
	55	#error "Can't find an appropriate 64-bit type"
	56	#endif
	57
2934d1c9 MH	58	/* FIXME: D10V defines */
	59	typedef uint16 reg_t;
	60
	61	struct simops
	62	{
	63	long opcode;
	64	long mask;
	65	int format;
	66	int cycles;
	67	int unit;
	68	int exec_type;
	69	void (*func)();
	70	int numops;
	71	int operands[9];
	72	};
	73
87178dbd MM	74	enum _ins_type
	75	{
	76	INS_UNKNOWN,
	77	INS_LEFT,
	78	INS_RIGHT,
	79	INS_LEFT_PARALLEL,
	80	INS_RIGHT_PARALLEL,
7eebfc62 MM	81	INS_LONG,
7eebfc62 MM	82	INS_MAX
87178dbd MM	83	};
87178dbd MM	84
7eebfc62 MM	85	extern long ins_type_counters[ (int)INS_MAX ];
	86	extern long left_nops, right_nops;
	87
2934d1c9 MH	88	struct _state
	89	{
	90	reg_t regs[16]; /* general-purpose registers */
5c255669 MM	91	reg_t cregs[16]; /* control registers */
5c255669 MM	92	int64 a[2]; /* accumulators */
2934d1c9 MH	93	uint8 SM;
	94	uint8 EA;
	95	uint8 DB;
	96	uint8 IE;
	97	uint8 RP;
	98	uint8 MD;
	99	uint8 FX;
	100	uint8 ST;
	101	uint8 F0;
	102	uint8 F1;
	103	uint8 C;
	104	uint8 exe;
	105	uint8 *imem;
	106	uint8 *dmem;
5c255669 MM	107	uint32 mem_min;
5c255669 MM	108	uint32 mem_max;
4f425a32	109	int exception;
87178dbd	110	enum _ins_type ins_type;
2934d1c9 MH	111	} State;
2934d1c9 MH	112
87178dbd	113	extern host_callback *d10v_callback;
2934d1c9 MH	114	extern uint16 OP[4];
	115	extern struct simops Simops[];
	116
	117	#define PC (State.cregs[2])
	118	#define PSW (State.cregs[0])
	119	#define BPSW (State.cregs[1])
	120	#define BPC (State.cregs[3])
	121	#define RPT_C (State.cregs[7])
	122	#define RPT_S (State.cregs[8])
	123	#define RPT_E (State.cregs[9])
	124	#define MOD_S (State.cregs[10])
	125	#define MOD_E (State.cregs[11])
	126	#define IBA (State.cregs[14])
	127
5c255669 MM	128	#define SIG_D10V_STOP -1
	129	#define SIG_D10V_EXIT -2
	130
2934d1c9 MH	131	#define SEXT3(x) ((((x)&0x7)^(~3))+4)
	132
	133	/* sign-extend a 4-bit number */
	134	#define SEXT4(x) ((((x)&0xf)^(~7))+8)
	135
	136	/* sign-extend an 8-bit number */
	137	#define SEXT8(x) ((((x)&0xff)^(~0x7f))+0x80)
	138
	139	/* sign-extend a 16-bit number */
	140	#define SEXT16(x) ((((x)&0xffff)^(~0x7fff))+0x8000)
	141
4f425a32 MH	142	/* sign-extend a 32-bit number */
	143	#define SEXT32(x) ((((x)&0xffffffffLL)^(~0x7fffffffLL))+0x80000000LL)
	144
4c38885c MH	145	/* sign extend a 40 bit number */
	146	#define SEXT40(x) ((((x)&0xffffffffffLL)^(~0x7fffffffffLL))+0x8000000000LL)
	147
d70b4d42 MH	148	/* sign extend a 44 bit number */
	149	#define SEXT44(x) ((((x)&0xfffffffffffLL)^(~0x7ffffffffffLL))+0x80000000000LL)
	150
	151	/* sign extend a 60 bit number */
	152	#define SEXT60(x) ((((x)&0xfffffffffffffffLL)^(~0x7ffffffffffffffLL))+0x800000000000000LL)
	153
2934d1c9 MH	154	#define MAX32 0x7fffffffLL
	155	#define MIN32 0xff80000000LL
	156	#define MASK32 0xffffffffLL
	157	#define MASK40 0xffffffffffLL
2934d1c9	158
4f425a32 MH	159	#define INC_ADDR(x,i) x = ((State.MD && x == MOD_E) ? MOD_S : (x)+(i))
4f425a32 MH	160
2934d1c9	161	#define RB(x) (((uint8 )((x)+State.imem)))
4c38885c	162	#define SB(addr,data) ( RB(addr) = (data & 0xff))
2934d1c9	163
5c255669 MM	164	#if defined(__GNUC__) && defined(__OPTIMIZE__) && !defined(NO_ENDIAN_INLINE)
	165	#define ENDIAN_INLINE static __inline__
	166	#include "endian.c"
	167	#undef ENDIAN_INLINE
2934d1c9 MH	168
2934d1c9 MH	169	#else
d6fe5ca5 MM	170	extern uint32 get_longword PARAMS ((uint8 *));
	171	extern uint16 get_word PARAMS ((uint8 *));
	172	extern int64 get_longlong PARAMS ((uint8 *));
	173	extern void write_word PARAMS ((uint8 *addr, uint16 data));
	174	extern void write_longword PARAMS ((uint8 *addr, uint32 data));
	175	extern void write_longlong PARAMS ((uint8 *addr, int64 data));
5c255669	176	#endif
d70b4d42 MH	177
	178	#define SW(addr,data) write_word((long)(addr)+State.imem,data)
	179	#define RW(x) get_word((long)(x)+State.imem)
87178dbd	180	#define SLW(addr,data) write_longword((long)(addr)+State.imem,data)
d70b4d42 MH	181	#define RLW(x) get_longword((long)(x)+State.imem)
	182	#define READ_16(x) get_word(x)
	183	#define WRITE_16(addr,data) write_word(addr,data)
	184	#define READ_64(x) get_longlong(x)
	185	#define WRITE_64(addr,data) write_longlong(addr,data)