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/* tm.h
Copyright (C) 1992, 1993 Free Software Foundation, Inc.
This file is part of Z8KSIM
Z8KSIM is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Z8KSIM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Z8KZIM; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _TM_H
#define _TM_H
#ifdef __FOOBEYGNUC__
typedef SFtype __attribute__ ((mode (SF)));
typedef DFtype __attribute__ ((mode (DF)));
typedef int HItype __attribute__ ((mode (HI)));
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int UHItype __attribute__ ((mode (HI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
#else
typedef float SFtype;
typedef double DFtype;
typedef short int HItype;
typedef long int SItype;
typedef unsigned short UHItype ;
typedef unsigned int USItype ;
#endif
typedef struct UDIstruct
{
USItype high;
USItype low;
} UDItype;
#define BIG_ENDIAN_HOST
typedef unsigned int sim_phys_addr_type;
typedef unsigned int sim_logical_addr_type;
#define PAGE_POWER 23 /* only one pages */
#define MAP_PHYSICAL_TO_LOGICAL(x) (((x >> 8) & 0x7f0000) | (x & 0xffff))
#define MAP_LOGICAL_TO_PHYSICAL(x) (((x <<8) & 0x7f000000) | (x & 0xffff))
#define REG_PC 17
#define REG_CYCLES 18
#define REG_INSTS 19
#define REG_TIME 20
#define REG_FP 21
#define REG_SP 22
#define REG_CCR 16
#define SET_REG(x,y) set_reg(x,y)
#define SINGLE_STEP 1
#define PSW_CARRY context->carry
#define PSW_OP context->op
#define PSW_OVERFLOW context->overflow
#define PSW_SIGN context->sign
#define PSW_ZERO context->zero
#define GET_PC() context->pc
#define SET_PC(x) context->pc = x
struct op_info
{
short int exec;
};
extern struct op_info op_info_table[];
typedef union
{
unsigned short int word;
}
borw_type;
typedef struct state_struct
{
unsigned short *memory;
int carry;
int sign;
int zero;
int overflow;
int op;
int cycles;
borw_type regs[16];
sim_phys_addr_type sometimes_pc;
#ifdef __GNUC__
volatile
#endif
int exception;
#define iwords_0 iwords0
#define iwords_1 iwords1
#define iwords_2 iwords2
#define iwords_3 iwords3
#define ibytes_0 (iwords_0>>8)
#define ibytes_1 (iwords_0&0xff)
#define ibytes_2 (iwords_1>>8)
#define ibytes_3 (iwords_1& 0xff)
#define ibytes_4 (iwords_2>>8)
int insts;
int ticks;
int next_inst;
int broken_flags;
int srca;
int srcb;
int dst;
int size;
}
sim_state_type;
#define CMP_FLAGS 100
#define TST_FLAGS 101
#endif
extern int get_word_mem_da PARAMS((sim_state_type *context, int addr));
extern int get_word_reg PARAMS((sim_state_type *context, int reg));
extern void support_call PARAMS((sim_state_type *context, int sc));
extern void tm_exception PARAMS((int x));
extern int tm_read_byte PARAMS((int x));
extern int tm_signal PARAMS((void));
extern void tm_state PARAMS((sim_state_type *x));
extern void tm_write_byte PARAMS((int x, int y));
extern void bfop_bad1 PARAMS(());
extern int fail PARAMS((sim_state_type *context, int v));
extern void fop_bad PARAMS((sim_state_type *context));
extern void sfop_bad1 PARAMS(());
extern void swap_long PARAMS((char *buf, int val));
extern void swap_word PARAMS((char *buf, int val));
extern void tm_fetch_register PARAMS((int regno, char *buf));
extern void tm_info_print PARAMS((sim_state_type *x));
extern void tm_resume PARAMS((int step));
extern void tm_store_register PARAMS((int regno, int value));
#ifndef __GNUC__
/* If were using gnuc then these will be inlined, so the prototypes
won't be right */
long int sitoptr PARAMS((long int si));
long int ptrtosi PARAMS((long int ptr));
void put_long_reg PARAMS((sim_state_type *context, int reg, int val));
void put_quad_reg PARAMS((sim_state_type *context, int reg, int val1, int val2));
void put_word_reg PARAMS((sim_state_type *context, int reg, int val));
SItype get_long_reg PARAMS((sim_state_type *context, int reg));
void put_byte_reg PARAMS((sim_state_type *context, int reg, int val));
int get_byte_reg PARAMS((sim_state_type *context, int reg));
void put_word_mem_da PARAMS((sim_state_type *context, int addr, int value));
unsigned char get_byte_mem_da PARAMS((sim_state_type *context, int addr));
void put_byte_mem_da PARAMS((sim_state_type *context, int addr, int value));
SItype get_long_mem_da PARAMS((sim_state_type *context, int addr));
void put_long_mem_da PARAMS((sim_state_type *context, int addr, int value));
int get_word_mem_ir PARAMS((sim_state_type *context, int reg));
void put_word_mem_ir PARAMS((sim_state_type *context, int reg, int value));
int get_byte_mem_ir PARAMS((sim_state_type *context, int reg));
void put_byte_mem_ir PARAMS((sim_state_type *context, int reg, int value));
int get_long_mem_ir PARAMS((sim_state_type *context, int reg));
void put_long_mem_ir PARAMS((sim_state_type *context, int reg, int value));
void put_long_mem_x PARAMS((sim_state_type *context, int base, int reg, int value));
void put_word_mem_x PARAMS((sim_state_type *context, int base, int reg, int value));
void put_byte_mem_x PARAMS((sim_state_type *context, int base, int reg, int value));
int get_word_mem_x PARAMS((sim_state_type *context, int base, int reg));
int get_byte_mem_x PARAMS((sim_state_type *context, int base, int reg));
int get_long_mem_x PARAMS((sim_state_type *context, int base, int reg));
int COND PARAMS((sim_state_type *context, int c));
void NORMAL_FLAGS PARAMS((sim_state_type *context, int size, int dst, int srca, int srcb));
void TEST_NORMAL_FLAGS PARAMS((sim_state_type *context, int size, int dst));
void put_ptr_long_reg PARAMS((sim_state_type *context, int reg, int val));
long int get_ptr_long_reg PARAMS((sim_state_type *context, int reg));
long int get_ptr_long_mem_ir PARAMS((sim_state_type *context, int reg));
long int get_ptr_long_mem_da PARAMS((sim_state_type *context, long int addr));
void put_ptr_long_mem_da PARAMS((sim_state_type *context, long int addr, long int ptr));
#endif
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