v850_disas.h File Reference

Go to the source code of this file.

Classes
struct	v850_cmd

Macros
#define	V850_INSTR_MAXLEN   24
#define	SIGN_EXT_T5(imm)   (((imm)&0x10) ? (imm) | 0xE0 : (imm))
#define	SIGN_EXT_T9(imm)   (((imm)&0x100) ? (imm) | 0xFFFFFE00 : (imm))
#define	SIGN_EXT_T26(imm)   (((imm)&0x2000000) ? (imm) | 0xFC000000 : (imm))

Enumerations
enum	v850_cmd_opcodes {   V850_MOV = 0x0 , V850_NOT = 0x1 , V850_DIVH = 0x2 , V850_JMP = 0x3 ,   V850_SATSUBR = 0x4 , V850_SATSUB = 0x5 , V850_SATADD = 0x6 , V850_MULH = 0x7 ,   V850_OR = 0x8 , V850_XOR = 0x9 , V850_AND = 0xA , V850_TST = 0xB ,   V850_SUBR = 0xC , V850_SUB = 0xD , V850_ADD = 0xE , V850_CMP = 0xF ,   V850_MOV_IMM5 = 0x10 , V850_SATADD_IMM5 = 0x11 , V850_ADD_IMM5 = 0x12 , V850_CMP_IMM5 = 0x13 ,   V850_SHR_IMM5 = 0x14 , V850_SAR_IMM5 = 0x15 , V850_SHL_IMM5 = 0x16 , V850_MULH_IMM5 = 0x17 ,   V850_SLDB = 0x18 , V850_SSTB = 0x1C , V850_SLDH = 0x20 , V850_SSTH = 0x24 ,   V850_SLDW = 0x28 , V850_SSTW = 0x29 , V850_BCOND = 0x2C , V850_BCOND2 = 0x2D ,   V850_BCOND3 = 0x2E , V850_BCOND4 = 0x2F , V850_ADDI = 0x30 , V850_MOVEA = 0x31 ,   V850_MOVHI = 0x32 , V850_SATSUBI = 0x33 , V850_ORI = 0x34 , V850_XORI = 0x35 ,   V850_ANDI = 0x36 , V850_MULHI = 0x37 , V850_LDB = 0x38 , V850_LDHW = 0x39 ,   V850_STB = 0x3A , V850_STHW = 0x3B , V850_JARL1 = 0x3C , V850_JARL2 = 0x3D ,   V850_BIT_MANIP = 0x3E , V850_EXT1 = 0x3F }
enum	v850_conds {   V850_COND_V = 0x0 , V850_COND_CL = 0x1 , V850_COND_ZE = 0x2 , V850_COND_NH = 0x3 ,   V850_COND_N = 0x4 , V850_COND_AL = 0x5 , V850_COND_LT = 0x6 , V850_COND_LE = 0x7 ,   V850_COND_NV = 0x8 , V850_COND_NL = 0x9 , V850_COND_NC = 0x9 , V850_COND_NE = 0xA ,   V850_COND_NZ = 0xA , V850_COND_H = 0xB , V850_COND_P = 0xC , V850_COND_NS = 0xC ,   V850_COND_SA = 0xD , V850_COND_GE = 0xE , V850_COND_GT = 0xF }
enum	v850_bit_ops { V850_BIT_SET1 = 0x0 , V850_BIT_NOT1 = 0x1 , V850_BIT_CLR1 = 0x2 , V850_BIT_TST1 = 0x3 }
enum	v850_extension1 {   V850_EXT_SETF = 0x0 , V850_EXT_LDSR = 0x1 , V850_EXT_STSR = 0x2 , V850_EXT_UNDEF1 = 0x3 ,   V850_EXT_SHR = 0x4 , V850_EXT_SAR = 0x5 , V850_EXT_SHL = 0x6 , V850_EXT_UNDEF2 = 0x7 ,   V850_EXT_TRAP = 0x8 , V850_EXT_HALT = 0x9 , V850_EXT_RETI = 0xa , V850_EXT_EXT2 = 0xb }
enum	v850_extension2 { V850_EXT_DI = 0x0 , V850_EXT_EI = 0x4 }
enum	v850_regs {   V850_ZERO = 0x0 , V850_R1 = 0x1 , V850_R2 = 0x2 , V850_SP = 0x3 ,   V850_GP = 0x4 , V850_TP = 0x5 , V850_R6 = 0x6 , V850_R7 = 0x7 ,   V850_R8 = 0x8 , V850_R9 = 0x9 , V850_R10 = 0xA , V850_R11 = 0xB ,   V850_R12 = 0xC , V850_R13 = 0xD , V850_R14 = 0xE , V850_R15 = 0xF ,   V850_R16 = 0x10 , V850_R17 = 0x11 , V850_R18 = 0x12 , V850_R19 = 0x13 ,   V850_R20 = 0x14 , V850_R21 = 0x15 , V850_R22 = 0x16 , V850_R23 = 0x17 ,   V850_R24 = 0x18 , V850_R25 = 0x19 , V850_R26 = 0x1A , V850_R27 = 0x1B ,   V850_R28 = 0x1C , V850_R29 = 0x1D , V850_EP = 0x1E , V850_LP = 0x1F }
enum	v850_sysregs {   V850_SREG_EIPC = 0x0 , V850_SREG_EIPCW = 0x1 , V850_SREG_FEPC = 0x2 , V850_SREG_FEPSW = 0x3 ,   V850_SREG_ECR = 0x4 , V850_SREG_PSW = 0x5 , V850_SREG_CTPC = 0x10 , V850_SREG_CTPSW = 0x11 ,   V850_SREG_DBPC = 0x12 , V850_SREG_DBPSW = 0x13 , V850_SREG_CTBP = 0x14 , V850_SREG_DIR = 0x15 }
enum	v850_flags { V850_FLAG_CY = 1 , V850_FLAG_OV , V850_FLAG_S , V850_FLAG_Z }

Functions
static ut8	get_opcode (const ut16 instr)
static ut8	get_subopcode (const ut16 instr)
static ut8	get_reg1 (const ut16 instr)
static ut8	get_reg2 (const ut16 instr)
int	v850_decode_command (const ut8 *instr, int len, struct v850_cmd *cmd)

Macro Definition Documentation

SIGN_EXT_T26

#define SIGN_EXT_T26

(

imm

)

(((imm)&0x2000000) ? (imm) | 0xFC000000 : (imm))

Definition at line 11 of file v850_disas.h.

SIGN_EXT_T5

#define SIGN_EXT_T5

(

imm

)

(((imm)&0x10) ? (imm) | 0xE0 : (imm))

Definition at line 9 of file v850_disas.h.

SIGN_EXT_T9

#define SIGN_EXT_T9

(

imm

)

(((imm)&0x100) ? (imm) | 0xFFFFFE00 : (imm))

Definition at line 10 of file v850_disas.h.

V850_INSTR_MAXLEN

#define V850_INSTR_MAXLEN   24

Definition at line 7 of file v850_disas.h.

Enumeration Type Documentation

v850_bit_ops

enum v850_bit_ops

Enumerator
V850_BIT_SET1
V850_BIT_NOT1
V850_BIT_CLR1
V850_BIT_TST1

Definition at line 88 of file v850_disas.h.

                  {
    V850_BIT_SET1 = 0x0,
    V850_BIT_NOT1 = 0x1,
    V850_BIT_CLR1 = 0x2,
    V850_BIT_TST1 = 0x3,
};

v850_cmd_opcodes

enum v850_cmd_opcodes

Enumerator
V850_MOV
V850_NOT
V850_DIVH
V850_JMP
V850_SATSUBR
V850_SATSUB
V850_SATADD
V850_MULH
V850_OR
V850_XOR
V850_AND
V850_TST
V850_SUBR
V850_SUB
V850_ADD
V850_CMP
V850_MOV_IMM5
V850_SATADD_IMM5
V850_ADD_IMM5
V850_CMP_IMM5
V850_SHR_IMM5
V850_SAR_IMM5
V850_SHL_IMM5
V850_MULH_IMM5
V850_SLDB
V850_SSTB
V850_SLDH
V850_SSTH
V850_SLDW
V850_SSTW
V850_BCOND
V850_BCOND2
V850_BCOND3
V850_BCOND4
V850_ADDI
V850_MOVEA
V850_MOVHI
V850_SATSUBI
V850_ORI
V850_XORI
V850_ANDI
V850_MULHI
V850_LDB
V850_LDHW
V850_STB
V850_STHW
V850_JARL1
V850_JARL2
V850_BIT_MANIP
V850_EXT1

Definition at line 13 of file v850_disas.h.

                      {
    V850_MOV = 0x0,
    V850_NOT = 0x1,
    V850_DIVH = 0x2,
    V850_JMP = 0x3,
    V850_SATSUBR = 0x4,
    V850_SATSUB = 0x5,
    V850_SATADD = 0x6,
    V850_MULH = 0x7,
    V850_OR = 0x8,
    V850_XOR = 0x9,
    V850_AND = 0xA,
    V850_TST = 0xB,
    V850_SUBR = 0xC,
    V850_SUB = 0xD,
    V850_ADD = 0xE,
    V850_CMP = 0xF,
    V850_MOV_IMM5 = 0x10,
    V850_SATADD_IMM5 = 0x11,
    V850_ADD_IMM5 = 0x12,
    V850_CMP_IMM5 = 0x13,
    V850_SHR_IMM5 = 0x14,
    V850_SAR_IMM5 = 0x15,
    V850_SHL_IMM5 = 0x16,
    V850_MULH_IMM5 = 0x17,
    V850_SLDB = 0x18,
    V850_SSTB = 0x1C,
    V850_SLDH = 0x20,
    V850_SSTH = 0x24,
    V850_SLDW = 0x28,
    V850_SSTW = 0x29,
    V850_BCOND = 0x2C,
    V850_BCOND2 = 0x2D,
    V850_BCOND3 = 0x2E,
    V850_BCOND4 = 0x2F,
    V850_ADDI = 0x30,
    V850_MOVEA = 0x31,
    V850_MOVHI = 0x32,
    V850_SATSUBI = 0x33,
    V850_ORI = 0x34,
    V850_XORI = 0x35,
    V850_ANDI = 0x36,
    V850_MULHI = 0x37,
    V850_LDB = 0x38,
    V850_LDHW = 0x39,
    V850_STB = 0x3A,
    V850_STHW = 0x3B,
    V850_JARL1 = 0x3C,
    V850_JARL2 = 0x3D,
    V850_BIT_MANIP = 0x3E,
    V850_EXT1 = 0x3F,
};

v850_conds

enum v850_conds

Enumerator
V850_COND_V
V850_COND_CL
V850_COND_ZE
V850_COND_NH
V850_COND_N
V850_COND_AL
V850_COND_LT
V850_COND_LE
V850_COND_NV
V850_COND_NL
V850_COND_NC
V850_COND_NE
V850_COND_NZ
V850_COND_H
V850_COND_P
V850_COND_NS
V850_COND_SA
V850_COND_GE
V850_COND_GT

Definition at line 66 of file v850_disas.h.

                {
    V850_COND_V = 0x0, // Overflow
    V850_COND_CL = 0x1, // Carry/Lower
    V850_COND_ZE = 0x2, // Zero/equal
    V850_COND_NH = 0x3, // Not higher
    V850_COND_N = 0x4, // Negative
    V850_COND_AL = 0x5, // Always
    V850_COND_LT = 0x6, // Less than signed
    V850_COND_LE = 0x7, // Less than or equal signed
    V850_COND_NV = 0x8, // No overflow
    V850_COND_NL = 0x9, // No carry / not lower
    V850_COND_NC = 0x9, // No carry / not lower
    V850_COND_NE = 0xA, // Not zero / not equal
    V850_COND_NZ = 0xA, // Not zero / not equal
    V850_COND_H = 0xB, // Higher/Greater than
    V850_COND_P = 0xC, // Positive / not sign
    V850_COND_NS = 0xC, // Positive / not sign
    V850_COND_SA = 0xD, // Saturated
    V850_COND_GE = 0xE, // Greater than or equal signed
    V850_COND_GT = 0xF, // Greater than signed
};

v850_extension1

enum v850_extension1

Enumerator
V850_EXT_SETF
V850_EXT_LDSR
V850_EXT_STSR
V850_EXT_UNDEF1
V850_EXT_SHR
V850_EXT_SAR
V850_EXT_SHL
V850_EXT_UNDEF2
V850_EXT_TRAP
V850_EXT_HALT
V850_EXT_RETI
V850_EXT_EXT2

Definition at line 95 of file v850_disas.h.

                     {
    V850_EXT_SETF = 0x0,
    V850_EXT_LDSR = 0x1,
    V850_EXT_STSR = 0x2,
    V850_EXT_UNDEF1 = 0x3,
    V850_EXT_SHR = 0x4,
    V850_EXT_SAR = 0x5,
    V850_EXT_SHL = 0x6,
    V850_EXT_UNDEF2 = 0x7,
    V850_EXT_TRAP = 0x8,
    V850_EXT_HALT = 0x9,
    V850_EXT_RETI = 0xa,
    V850_EXT_EXT2 = 0xb,
};

v850_extension2

enum v850_extension2

Enumerator
V850_EXT_DI
V850_EXT_EI

Definition at line 110 of file v850_disas.h.

                     {
    V850_EXT_DI = 0x0,
    V850_EXT_EI = 0x4,
};

v850_flags

enum v850_flags

Enumerator
V850_FLAG_CY
V850_FLAG_OV
V850_FLAG_S
V850_FLAG_Z

Definition at line 165 of file v850_disas.h.

                {
    V850_FLAG_CY = 1,
    V850_FLAG_OV,
    V850_FLAG_S,
    V850_FLAG_Z,
};

v850_regs

enum v850_regs

Enumerator
V850_ZERO
V850_R1
V850_R2
V850_SP
V850_GP
V850_TP
V850_R6
V850_R7
V850_R8
V850_R9
V850_R10
V850_R11
V850_R12
V850_R13
V850_R14
V850_R15
V850_R16
V850_R17
V850_R18
V850_R19
V850_R20
V850_R21
V850_R22
V850_R23
V850_R24
V850_R25
V850_R26
V850_R27
V850_R28
V850_R29
V850_EP
V850_LP

Definition at line 115 of file v850_disas.h.

               {
    V850_ZERO = 0x0,
    V850_R1 = 0x1,
    V850_R2 = 0x2,
    V850_SP = 0x3,
    V850_GP = 0x4,
    V850_TP = 0x5,
    V850_R6 = 0x6,
    V850_R7 = 0x7,
    V850_R8 = 0x8,
    V850_R9 = 0x9,
    V850_R10 = 0xA,
    V850_R11 = 0xB,
    V850_R12 = 0xC,
    V850_R13 = 0xD,
    V850_R14 = 0xE,
    V850_R15 = 0xF,
    V850_R16 = 0x10,
    V850_R17 = 0x11,
    V850_R18 = 0x12,
    V850_R19 = 0x13,
    V850_R20 = 0x14,
    V850_R21 = 0x15,
    V850_R22 = 0x16,
    V850_R23 = 0x17,
    V850_R24 = 0x18,
    V850_R25 = 0x19,
    V850_R26 = 0x1A,
    V850_R27 = 0x1B,
    V850_R28 = 0x1C,
    V850_R29 = 0x1D,
    V850_EP = 0x1E,
    V850_LP = 0x1F,
};

v850_sysregs

enum v850_sysregs

Enumerator
V850_SREG_EIPC
V850_SREG_EIPCW
V850_SREG_FEPC
V850_SREG_FEPSW
V850_SREG_ECR
V850_SREG_PSW
V850_SREG_CTPC
V850_SREG_CTPSW
V850_SREG_DBPC
V850_SREG_DBPSW
V850_SREG_CTBP
V850_SREG_DIR

Definition at line 150 of file v850_disas.h.

                  {
    V850_SREG_EIPC = 0x0,
    V850_SREG_EIPCW = 0x1,
    V850_SREG_FEPC = 0x2,
    V850_SREG_FEPSW = 0x3,
    V850_SREG_ECR = 0x4,
    V850_SREG_PSW = 0x5,
    V850_SREG_CTPC = 0x10,
    V850_SREG_CTPSW = 0x11,
    V850_SREG_DBPC = 0x12,
    V850_SREG_DBPSW = 0x13,
    V850_SREG_CTBP = 0x14,
    V850_SREG_DIR = 0x15,
};

Function Documentation

get_opcode()

static ut8 get_opcode ( const ut16  instr )

inlinestatic

Definition at line 179 of file v850_disas.h.

                                               {
    return (instr >> 5) & 0x3F;
}

get_reg1()

static ut8 get_reg1 ( const ut16  instr )

inlinestatic

Definition at line 188 of file v850_disas.h.

                                             {
    return instr & 0x1F;
}

Referenced by decode_3operands(), decode_bit_op(), decode_extended(), decode_imm_reg(), decode_jarl(), decode_load_store(), and decode_reg_reg().

get_reg2()

static ut8 get_reg2 ( const ut16  instr )

inlinestatic

Definition at line 192 of file v850_disas.h.

                                             {
    return instr >> 11;
}

Referenced by decode_3operands(), decode_extended(), decode_imm_reg(), decode_jarl(), decode_load_store(), and decode_reg_reg().

get_subopcode()

static ut8 get_subopcode ( const ut16  instr )

inlinestatic

Definition at line 184 of file v850_disas.h.

                                                  {
    return (instr & 0x7e00000) >> 21;
}

Referenced by decode_extended(), and v850_op().

v850_decode_command()

int v850_decode_command	(	const ut8 *	instr,
		int	len,
		struct v850_cmd *	cmd
	)

Definition at line 301 of file v850_disas.c.

                                                                         {
    int ret;
 
    if (len < 2) {
        return -1;
    }
    ut16 in = rz_read_le16(instr);
 
    switch (get_opcode(in)) {
    case V850_MOV:
    case V850_NOT:
    case V850_DIVH:
    case V850_JMP:
    case V850_SATSUBR:
    case V850_SATSUB:
    case V850_SATADD:
    case V850_MULH:
    case V850_OR:
    case V850_XOR:
    case V850_AND:
    case V850_TST:
    case V850_SUBR:
    case V850_SUB:
    case V850_ADD:
    case V850_CMP:
        ret = decode_reg_reg(in, cmd);
        break;
    case V850_MOV_IMM5:
    case V850_SATADD_IMM5:
    case V850_ADD_IMM5:
    case V850_CMP_IMM5:
    case V850_SHR_IMM5:
    case V850_SAR_IMM5:
    case V850_SHL_IMM5:
    case V850_MULH_IMM5:
        ret = decode_imm_reg(in, cmd);
        break;
    case V850_ADDI:
    case V850_MOVEA:
    case V850_MOVHI:
    case V850_SATSUBI:
    case V850_ORI:
    case V850_XORI:
    case V850_ANDI:
    case V850_MULHI:
        ret = decode_3operands(instr, len, cmd);
        break;
    case V850_JARL1:
    case V850_JARL2:
        ret = decode_jarl(instr, len, cmd);
        break;
    case V850_STB:
    case V850_LDB:
    case V850_LDHW:
    case V850_STHW:
        ret = decode_load_store(instr, len, cmd);
        break;
    case V850_BIT_MANIP:
        ret = decode_bit_op(instr, len, cmd);
        break;
    case V850_EXT1:
        ret = decode_extended(instr, len, cmd);
        break;
    default:
        if ((get_opcode(in) >> 2) == 0xB) {
            ret = decode_bcond(in, len, cmd);
        } else {
            ret = -1;
        }
    }
 
    return ret;
}

References cmd, decode_3operands(), decode_bcond(), decode_bit_op(), decode_extended(), decode_imm_reg(), decode_jarl(), decode_load_store(), decode_reg_reg(), get_opcode, in, len, rz_read_le16(), V850_ADD, V850_ADD_IMM5, V850_ADDI, V850_AND, V850_ANDI, V850_BIT_MANIP, V850_CMP, V850_CMP_IMM5, V850_DIVH, V850_EXT1, V850_JARL1, V850_JARL2, V850_JMP, V850_LDB, V850_LDHW, V850_MOV, V850_MOV_IMM5, V850_MOVEA, V850_MOVHI, V850_MULH, V850_MULH_IMM5, V850_MULHI, V850_NOT, V850_OR, V850_ORI, V850_SAR_IMM5, V850_SATADD, V850_SATADD_IMM5, V850_SATSUB, V850_SATSUBI, V850_SATSUBR, V850_SHL_IMM5, V850_SHR_IMM5, V850_STB, V850_STHW, V850_SUB, V850_SUBR, V850_TST, V850_XOR, and V850_XORI.

Referenced by disassemble(), and v850_op().