cr16_disas.h File Reference

Go to the source code of this file.

Classes
struct	cr16_cmd

Macros
#define	CR16_INSTR_MAXLEN   24
#define	STOR_LOAD_MASK   0x181F

Enumerations
enum	cr16_cmd_types {   CR16_TYPE_MOV , CR16_TYPE_ADD , CR16_TYPE_MUL , CR16_TYPE_SUB ,   CR16_TYPE_CMP , CR16_TYPE_BE , CR16_TYPE_BNE , CR16_TYPE_AND ,   CR16_TYPE_OR , CR16_TYPE_SCOND , CR16_TYPE_XOR , CR16_TYPE_SHIFT ,   CR16_TYPE_BIT , CR16_TYPE_SLPR , CR16_TYPE_BCOND , CR16_TYPE_BAL ,   CR16_TYPE_BR , CR16_TYPE_EXCP , CR16_TYPE_JCOND , CR16_TYPE_JAL ,   CR16_TYPE_JUMP , CR16_TYPE_JUMP_UNK , CR16_TYPE_RETX , CR16_TYPE_PUSH ,   CR16_TYPE_POP , CR16_TYPE_LOAD , CR16_TYPE_STOR , CR16_TYPE_DI ,   CR16_TYPE_EI , CR16_TYPE_NOP , CR16_TYPE_WAIT , CR16_TYPE_EWAIT }
enum	cr16_opcodes {   CR16_ADD = 0x0 , CR16_ADDU = 0x1 , CR16_BITI = 0x2 , CR16_MUL = 0x3 ,   CR16_ASHU = 0x4 , CR16_LSH = 0x5 , CR16_XOR = 0x6 , CR16_CMP = 0x7 ,   CR16_AND = 0x8 , CR16_ADDC = 0x9 , CR16_BCOND01 = 0xA , CR16_TBIT = 0xB ,   CR16_MOV = 0xC , CR16_SUB = 0xF , CR16_SUBC = 0xD , CR16_OR = 0xE ,   CR16_MOVD = 0x19 , CR16_MULSB = 0x30 , CR16_MULSW = 0x31 , CR16_MULUW = 0x3F ,   CR16_MOVXB = 0x34 , CR16_MOVZB = 0x35 , CR16_SCOND = 0x37 , CR16_TBIT_R_R = 0x3B ,   CR16_TBIT_I_R = 0x1B , CR16_JUMP = 0x2A , CR16_JAL = 0x3A , CR16_BAL = 0x1A ,   CR16_LPR = 0x38 , CR16_SPR = 0x39 , CR16_BCOND_2 = 0x0A , CR16_PUSH = 0xD8 ,   CR16_POP = 0xD9 , CR16_POPRET_1 = 0xDA , CR16_POPRET_2 = 0xDB , CR16_LOADM = 0xFC ,   CR16_STORM = 0xFD }
enum	cr16_opcodes_long {   CR16_RETX = 0x79FE , CR16_DI = 0x7DDE , CR16_EI = 0x7DFE , CR16_NOP = 0x0200 ,   CR16_WAIT = 0x7FFE , CR16_EWAIT = 0x7FD6 }
enum	cr16_cmd_forms { CR16_I_R = 0x0 , CR16_R_R = 0x1 }
enum	cr16_regs {   CR16_R0 = 0 , CR16_R1 , CR16_R2 , CR16_R3 ,   CR16_R4 , CR16_R5 , CR16_R6 , CR16_R7 ,   CR16_R8 , CR16_R9 , CR16_R10 , CR16_R11 ,   CR16_R12 , CR16_R13 , CR16_RA , CR16_SP ,   CR16_LAST }
enum	cr16_dedic_regs { CR16_PSR = 0x1 , CR16_INTBASE = 0x3 , CR16_ISP = 0xB }
enum	cr16_conds {   CR16_COND_EQ = 0x0 , CR16_COND_NE , CR16_COND_CS , CR16_COND_CC ,   CR16_COND_HI , CR16_COND_LS , CR16_COND_GT , CR16_COND_LE ,   CR16_COND_FS , CR16_COND_FC , CR16_COND_LO , CR16_COND_HS ,   CR16_COND_LT , CR16_COND_GE }

Functions
int	cr16_decode_command (const ut8 *instr, struct cr16_cmd *cmd, int len)

Macro Definition Documentation

CR16_INSTR_MAXLEN

#define CR16_INSTR_MAXLEN   24

Definition at line 7 of file cr16_disas.h.

STOR_LOAD_MASK

#define STOR_LOAD_MASK   0x181F

Definition at line 8 of file cr16_disas.h.

Enumeration Type Documentation

cr16_cmd_forms

enum cr16_cmd_forms

Enumerator
CR16_I_R
CR16_R_R

Definition at line 103 of file cr16_disas.h.

                    {
    CR16_I_R = 0x0,
    CR16_R_R = 0x1,
};

cr16_cmd_types

enum cr16_cmd_types

Enumerator
CR16_TYPE_MOV
CR16_TYPE_ADD
CR16_TYPE_MUL
CR16_TYPE_SUB
CR16_TYPE_CMP
CR16_TYPE_BE
CR16_TYPE_BNE
CR16_TYPE_AND
CR16_TYPE_OR
CR16_TYPE_SCOND
CR16_TYPE_XOR
CR16_TYPE_SHIFT
CR16_TYPE_BIT
CR16_TYPE_SLPR
CR16_TYPE_BCOND
CR16_TYPE_BAL
CR16_TYPE_BR
CR16_TYPE_EXCP
CR16_TYPE_JCOND
CR16_TYPE_JAL
CR16_TYPE_JUMP
CR16_TYPE_JUMP_UNK
CR16_TYPE_RETX
CR16_TYPE_PUSH
CR16_TYPE_POP
CR16_TYPE_LOAD
CR16_TYPE_STOR
CR16_TYPE_DI
CR16_TYPE_EI
CR16_TYPE_NOP
CR16_TYPE_WAIT
CR16_TYPE_EWAIT

Definition at line 10 of file cr16_disas.h.

                    {
    CR16_TYPE_MOV,
    CR16_TYPE_ADD,
    CR16_TYPE_MUL,
    CR16_TYPE_SUB,
    CR16_TYPE_CMP,
    CR16_TYPE_BE,
    CR16_TYPE_BNE,
    CR16_TYPE_AND,
    CR16_TYPE_OR,
    CR16_TYPE_SCOND,
    CR16_TYPE_XOR,
    CR16_TYPE_SHIFT,
    CR16_TYPE_BIT,
    CR16_TYPE_SLPR,
    CR16_TYPE_BCOND,
    CR16_TYPE_BAL,
    CR16_TYPE_BR,
    CR16_TYPE_EXCP,
    CR16_TYPE_JCOND,
    CR16_TYPE_JAL,
    CR16_TYPE_JUMP,
    CR16_TYPE_JUMP_UNK,
    CR16_TYPE_RETX,
    CR16_TYPE_PUSH,
    CR16_TYPE_POP,
    CR16_TYPE_LOAD,
    CR16_TYPE_STOR,
    CR16_TYPE_DI,
    CR16_TYPE_EI,
    CR16_TYPE_NOP,
    CR16_TYPE_WAIT,
    CR16_TYPE_EWAIT,
};

cr16_conds

enum cr16_conds

Enumerator
CR16_COND_EQ
CR16_COND_NE
CR16_COND_CS
CR16_COND_CC
CR16_COND_HI
CR16_COND_LS
CR16_COND_GT
CR16_COND_LE
CR16_COND_FS
CR16_COND_FC
CR16_COND_LO
CR16_COND_HS
CR16_COND_LT
CR16_COND_GE

Definition at line 134 of file cr16_disas.h.

                {
    CR16_COND_EQ = 0x0,
    CR16_COND_NE,
    CR16_COND_CS,
    CR16_COND_CC,
    CR16_COND_HI,
    CR16_COND_LS,
    CR16_COND_GT,
    CR16_COND_LE,
    CR16_COND_FS,
    CR16_COND_FC,
    CR16_COND_LO,
    CR16_COND_HS,
    CR16_COND_LT,
    CR16_COND_GE,
};

cr16_dedic_regs

enum cr16_dedic_regs

Enumerator
CR16_PSR
CR16_INTBASE
CR16_ISP

Definition at line 128 of file cr16_disas.h.

                     {
    CR16_PSR = 0x1,
    CR16_INTBASE = 0x3,
    CR16_ISP = 0xB,
};

cr16_opcodes

enum cr16_opcodes

Enumerator
CR16_ADD
CR16_ADDU
CR16_BITI
CR16_MUL
CR16_ASHU
CR16_LSH
CR16_XOR
CR16_CMP
CR16_AND
CR16_ADDC
CR16_BCOND01
CR16_TBIT
CR16_MOV
CR16_SUB
CR16_SUBC
CR16_OR
CR16_MOVD
CR16_MULSB
CR16_MULSW
CR16_MULUW
CR16_MOVXB
CR16_MOVZB
CR16_SCOND
CR16_TBIT_R_R
CR16_TBIT_I_R
CR16_JUMP
CR16_JAL
CR16_BAL
CR16_LPR
CR16_SPR
CR16_BCOND_2
CR16_PUSH
CR16_POP
CR16_POPRET_1
CR16_POPRET_2
CR16_LOADM
CR16_STORM

Definition at line 54 of file cr16_disas.h.

                  {
    CR16_ADD = 0x0,
    CR16_ADDU = 0x1,
    CR16_BITI = 0x2,
    CR16_MUL = 0x3,
    CR16_ASHU = 0x4,
    CR16_LSH = 0x5,
    CR16_XOR = 0x6,
    CR16_CMP = 0x7,
    CR16_AND = 0x8,
    CR16_ADDC = 0x9,
    CR16_BCOND01 = 0xA,
    CR16_TBIT = 0xB,
    CR16_MOV = 0xC,
    CR16_SUB = 0xF,
    CR16_SUBC = 0xD,
    CR16_OR = 0xE,
    CR16_MOVD = 0x19,
    CR16_MULSB = 0x30,
    CR16_MULSW = 0x31,
    CR16_MULUW = 0x3F,
    CR16_MOVXB = 0x34,
    CR16_MOVZB = 0x35,
    CR16_SCOND = 0x37,
    CR16_TBIT_R_R = 0x3B,
    CR16_TBIT_I_R = 0x1B,
    CR16_JUMP = 0x2A,
    CR16_JAL = 0x3A,
    CR16_BAL = 0x1A,
    CR16_LPR = 0x38,
    CR16_SPR = 0x39,
    CR16_BCOND_2 = 0x0A,
    CR16_PUSH = 0xD8,
    CR16_POP = 0xD9,
    CR16_POPRET_1 = 0xDA,
    CR16_POPRET_2 = 0xDB,
    CR16_LOADM = 0xFC,
    CR16_STORM = 0xFD,
};

cr16_opcodes_long

enum cr16_opcodes_long

Enumerator
CR16_RETX
CR16_DI
CR16_EI
CR16_NOP
CR16_WAIT
CR16_EWAIT

Definition at line 94 of file cr16_disas.h.

                       {
    CR16_RETX = 0x79FE,
    CR16_DI = 0x7DDE,
    CR16_EI = 0x7DFE,
    CR16_NOP = 0x0200,
    CR16_WAIT = 0x7FFE,
    CR16_EWAIT = 0x7FD6,
};

cr16_regs

enum cr16_regs

Enumerator
CR16_R0
CR16_R1
CR16_R2
CR16_R3
CR16_R4
CR16_R5
CR16_R6
CR16_R7
CR16_R8
CR16_R9
CR16_R10
CR16_R11
CR16_R12
CR16_R13
CR16_RA
CR16_SP
CR16_LAST

Definition at line 108 of file cr16_disas.h.

               {
    CR16_R0 = 0,
    CR16_R1,
    CR16_R2,
    CR16_R3,
    CR16_R4,
    CR16_R5,
    CR16_R6,
    CR16_R7,
    CR16_R8,
    CR16_R9,
    CR16_R10,
    CR16_R11,
    CR16_R12,
    CR16_R13,
    CR16_RA,
    CR16_SP,
    CR16_LAST,
};

Function Documentation

cr16_decode_command()

int cr16_decode_command	(	const ut8 *	instr,
		struct cr16_cmd *	cmd,
		int	len
	)

Definition at line 1184 of file cr16_disas.c.

                                                                         {
    int ret;
    ut16 in;
    if (len < 2) {
        return -1;
    }
    in = rz_read_le16(instr);
 
    switch (cr16_get_opcode_low(in)) {
    case CR16_MOV:
    case CR16_ADD:
    case CR16_ADDU:
    case CR16_ADDC:
    case CR16_MUL:
    case CR16_SUB:
    case CR16_SUBC:
    case CR16_CMP:
    case CR16_AND:
    case CR16_OR:
    case CR16_XOR:
    case CR16_ASHU:
    case CR16_LSH:
        switch (cr16_get_opcode_hi(in)) {
        case CR16_I_R:
            ret = cr16_decode_i_r(instr, cmd, len);
            break;
        case CR16_R_R:
            ret = cr16_decode_r_r(instr, cmd, len);
            break;
        default:
            ret = -1;
        }
        if (ret == -1 && cr16_get_opcode_low(in) == CR16_CMP) {
            ret = cr16_decode_scond(instr, cmd, len);
        }
        break;
    case CR16_BCOND01:
        ret = cr16_decode_bcond01i(instr, cmd, len);
        break;
    case CR16_BITI:
        ret = cr16_decode_biti(instr, cmd, len);
        break;
    default:
        ret = -1;
    }
 
    if (ret != -1) {
        return ret;
    }
 
    switch ((in >> 13)) {
    case 0x2:
    case 0x0:
        ret = cr16_decode_bcond_br(instr, cmd, len);
        break;
    }
 
    if (ret != -1) {
        return ret;
    }
 
    switch (in >> 9) {
    case CR16_LPR:
    case CR16_SPR:
        ret = cr16_decode_slpr(instr, cmd, len);
        break;
    case CR16_TBIT_R_R:
        ret = cr16_decode_r_r(instr, cmd, len);
        if (ret == -1) {
            ret = cr16_decode_bal(instr, cmd, len);
        }
        break;
    case CR16_TBIT_I_R:
        ret = cr16_decode_i_r(instr, cmd, len);
        break;
    case CR16_BAL:
        ret = cr16_decode_bal(instr, cmd, len);
        break;
    case CR16_JUMP:
    case CR16_JAL:
    case 0x0B:
        ret = cr16_decode_jmp(instr, cmd, len);
        if (ret == -1) {
            ret = cr16_decode_bcond_br(instr, cmd, len);
        }
        break;
    case CR16_MOVXB:
    case CR16_MOVZB:
        ret = cr16_decode_movz(instr, cmd, len);
        break;
    case CR16_MULSB:
    case CR16_MULSW:
    case CR16_MULUW:
        ret = cr16_decode_muls(instr, cmd, len);
        break;
    }
 
    if (ret != -1) {
        return ret;
    }
 
    switch (in >> 7) {
    case CR16_PUSH:
    case CR16_POP:
    case CR16_POPRET_1:
    case CR16_POPRET_2:
        ret = cr16_decode_push_pop(instr, cmd, len);
        break;
    case CR16_LOADM:
    case CR16_STORM:
        ret = cr16_decode_loadm_storm(instr, cmd, len);
        break;
    }
 
    if (ret != -1) {
        return ret;
    }
 
    switch (in >> 10) {
    case CR16_MOVD:
        ret = cr16_decode_movd(instr, cmd, len);
        break;
    }
 
    if (ret != -1) {
        return ret;
    }
 
    ret = cr16_decode_misc(instr, cmd, len);
 
    if (ret != -1) {
        return ret;
    }
 
    switch (cr16_get_opcode_hi(in)) {
    case 0x2:
    case 0x3:
    case 0x1:
    case 0x0:
        ret = cr16_decode_ld_st(instr, cmd, len);
        break;
    }
 
    if (ret != -1) {
        return ret;
    }
    return ret;
}

References cmd, CR16_ADD, CR16_ADDC, CR16_ADDU, CR16_AND, CR16_ASHU, CR16_BAL, CR16_BCOND01, CR16_BITI, CR16_CMP, cr16_decode_bal(), cr16_decode_bcond01i(), cr16_decode_bcond_br(), cr16_decode_biti(), cr16_decode_i_r(), cr16_decode_jmp(), cr16_decode_ld_st(), cr16_decode_loadm_storm(), cr16_decode_misc(), cr16_decode_movd(), cr16_decode_movz(), cr16_decode_muls(), cr16_decode_push_pop(), cr16_decode_r_r(), cr16_decode_scond(), cr16_decode_slpr(), cr16_get_opcode_hi(), cr16_get_opcode_low(), CR16_I_R, CR16_JAL, CR16_JUMP, CR16_LOADM, CR16_LPR, CR16_LSH, CR16_MOV, CR16_MOVD, CR16_MOVXB, CR16_MOVZB, CR16_MUL, CR16_MULSB, CR16_MULSW, CR16_MULUW, CR16_OR, CR16_POP, CR16_POPRET_1, CR16_POPRET_2, CR16_PUSH, CR16_R_R, CR16_SPR, CR16_STORM, CR16_SUB, CR16_SUBC, CR16_TBIT_I_R, CR16_TBIT_R_R, CR16_XOR, in, len, and rz_read_le16().

Referenced by cr16_op(), and disassemble().