Subversion Repositories igor

#ifndef _INSTRUCTIONS_H_

#define _INSTRUCTIONS_H_

#include <stdio.h>

#include "types.h"

#define NUM_INSTRUCTIONS                        64

#define INS_NOP               0x00

#define INS_HALT              0x01

#define INS_ADD               0x02

#define INS_SUB               0x03

#define INS_MUL               0x04

#define INS_DIV               0x05

#define INS_AND               0x06

#define INS_OR                0x07

#define INS_XOR               0x08

#define INS_NOT               0x09

#define INS_SHIFT_L           0x0A

#define INS_MOD               0x0B

#define INS_SHIFT_R           0x0C

#define INS_LOAD              0x10

#define INS_STORE             0x11

#define INS_BRANCH            0x15

#define INS_BRANCH_REG        0x16

#define INS_SET_FLAG          0x17

#define INS_CLEAR_FLAG        0x18

#define INS_GET_FLAG          0x19

#define INS_GET_TYPE          0x20

#define INS_SET_TYPE          0x21

#define INS_SET_TYPE_IMM      0x22

#define INS_GET_DATUM         0x23

#define INS_SET_DATUM_IMM     0x24

#define INS_GET_GC            0x25

#define INS_SET_GC            0x26

#define INS_SET_GC_IMM        0x27

#define INS_CPY               0x28

#define INS_CMP_TYPE          0x29

#define INS_CMP_TYPE_IMM      0x2A

#define INS_CMP_DATUM         0x2B

#define INS_CMP_DATUM_IMM     0x2C

#define INS_CMP_GC            0x2D

#define INS_CMP_GC_IMM        0x2E

#define INS_CMP               0x2F

#define OP_0R 0

#define OP_1R 1

#define OP_2R 2

#define OP_BR 3

#define FORMAT_OPC "%s"

#define FORMAT_REG "%s"

#define FORMAT_IMM "(0x%X)"

#define FORMAT_IBR FORMAT_OPC" "FORMAT_REG" fmask"FORMAT_IMM" fval"FORMAT_IMM" addr"FORMAT_IMM

#define FORMAT_I2R FORMAT_OPC" "FORMAT_REG" "FORMAT_REG" "FORMAT_IMM""

#define FORMAT_I1R FORMAT_OPC" "FORMAT_REG" "FORMAT_IMM""

#define FORMAT_I0R FORMAT_OPC" "FORMAT_IMM""

#define REG_INSTR(opcode,_format,_func)                         \

        do {                                                    \

                instructions[INS_##opcode].format=_format;      \

                instructions[INS_##opcode].func=_func;          \

                instructions[INS_##opcode].name=#opcode; }      \

        while (0)

typedef struct {

        int pointer;

        int addr;

} instr_reg_t;

typedef struct {

        int op;

        instr_reg_t r1, r2;

        int imm;

        // for load/store:

        int disp;

        // for branch instructions:

        int flag_mask, flag_values, addr;

        // for flag manipulation instructions:

        int fnr, fmask, fimm;

        // for data movement and comparison operations:

        int immval;

} instr_t;

extern int print_instructions;

void instructions_init(void);

instr_t decode_instruction(uint64_t ins);

char* instruction_type(int i);

void print_instruction(reg_t addr);

void print_instruction_to_file(FILE *f, reg_t addr);

void do_instruction(reg_t addr);

void do_next_instruction(void);

reg_t next_instr_addr(void);

reg_t instr_get_reg(instr_reg_t r);

void instr_set_reg(instr_reg_t r, reg_t val);

#endif /* _INSTRUCTIONS_H_ */