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