#include <stdint.h>

Classes
struct	ebc_command

Macros
#define	EBC_OPCODE_MASK 0x3F

#define	EBC_MODIFIER_MASK 0xC0

#define	EBC_OPERAND1_MASK 0x07

#define	EBC_OPERAND2_MASK (0x07 << 4)

#define	EBC_OPERAND1_DIRECT 0x08

#define	EBC_OPERAND2_DIRECT 0xA0

#define	EBC_OPERAND1_INDX 0x01

#define	EBC_OPERAND2_INDX 0x02

#define	EBC_GET_OPCODE(byte) (byte & EBC_OPCODE_MASK)

#define	EBC_INSTR_MAXLEN 32

#define	EBC_OPERANDS_MAXLEN 32

#define	EBC_NTH_BIT(n) (1ULL << n)

#define	EBC_N_BIT_MASK(n) (~(~0U << (n)))

#define	EBC_GET_BIT(v, n) ((v >> n) & 1)

#define	TEST_BIT(x, n) (x & (1 << n))

Typedefs
typedef struct ebc_command	ebc_command_t

Enumerations
enum	ebc_opcodes { EBC_BREAK = 0x00 , EBC_JMP = 0x01 , EBC_JMP8 = 0x02 , EBC_CALL = 0x03 , EBC_RET = 0x04 , EBC_CMPEQ = 0x05 , EBC_CMPLTE = 0x06 , EBC_CMPGTE = 0x07 , EBC_CMPULTE = 0x08 , EBC_CMPUGTE = 0x09 , EBC_NOT = 0x0A , EBC_NEG = 0x0B , EBC_ADD = 0x0C , EBC_SUB = 0x0D , EBC_MUL = 0x0E , EBC_MULU = 0x0F , EBC_DIV = 0x10 , EBC_DIVU = 0x11 , EBC_MOD = 0x12 , EBC_MODU = 0x13 , EBC_AND = 0x14 , EBC_OR = 0x15 , EBC_XOR = 0x16 , EBC_SHL = 0x17 , EBC_SHR = 0x18 , EBC_ASHR = 0x19 , EBC_EXTNDB = 0x1A , EBC_EXTNDW = 0x1B , EBC_EXTNDD = 0x1C , EBC_MOVBW = 0x1D , EBC_MOVWW = 0x1E , EBC_MOVDW = 0x1F , EBC_MOVQW = 0x20 , EBC_MOVBD = 0x21 , EBC_MOVWD = 0x22 , EBC_MOVDD = 0x23 , EBC_MOVQD = 0x24 , EBC_MOVSNW = 0x25 , EBC_MOVSND = 0x26 , EBC_UNDEFINED = 0x27 , EBC_MOVQQ = 0x28 , EBC_LOADSP = 0x29 , EBC_STORESP = 0x2A , EBC_PUSH = 0x2B , EBC_POP = 0x2C , EBC_CMPIEQ = 0x2D , EBC_CMPILTE = 0x2E , EBC_CMPIGTE = 0x2F , EBC_CMPIULTE = 0x30 , EBC_CMPIUGTE = 0x31 , EBC_MOVNW = 0x32 , EBC_MOVND = 0x33 , EBC_UNDEFINED2 = 0x34 , EBC_PUSHN = 0x35 , EBC_POPN = 0x36 , EBC_MOVI = 0x37 , EBC_MOVIN = 0x38 , EBC_MOVREL = 0x39 , EBC_COMMAND_NUM }

Functions
int	ebc_decode_command (const uint8_t instr, ebc_command_t cmd)

Macro Definition Documentation

◆ EBC_GET_BIT

#define EBC_GET_BIT	(	v,
		n
	)	((v >> n) & 1)

Definition at line 25 of file ebc_disas.h.

◆ EBC_GET_OPCODE

#define EBC_GET_OPCODE ( byte ) (byte & EBC_OPCODE_MASK)

Definition at line 18 of file ebc_disas.h.

◆ EBC_INSTR_MAXLEN

#define EBC_INSTR_MAXLEN 32

Definition at line 20 of file ebc_disas.h.

◆ EBC_MODIFIER_MASK

#define EBC_MODIFIER_MASK 0xC0

Definition at line 10 of file ebc_disas.h.

◆ EBC_N_BIT_MASK

#define EBC_N_BIT_MASK ( n ) (~(~0U << (n)))

Definition at line 24 of file ebc_disas.h.

◆ EBC_NTH_BIT

#define EBC_NTH_BIT ( n ) (1ULL << n)

Definition at line 23 of file ebc_disas.h.

◆ EBC_OPCODE_MASK

#define EBC_OPCODE_MASK 0x3F

Definition at line 9 of file ebc_disas.h.

◆ EBC_OPERAND1_DIRECT

#define EBC_OPERAND1_DIRECT 0x08

Definition at line 13 of file ebc_disas.h.

◆ EBC_OPERAND1_INDX

#define EBC_OPERAND1_INDX 0x01

Definition at line 15 of file ebc_disas.h.

◆ EBC_OPERAND1_MASK

#define EBC_OPERAND1_MASK 0x07

Definition at line 11 of file ebc_disas.h.

◆ EBC_OPERAND2_DIRECT

#define EBC_OPERAND2_DIRECT 0xA0

Definition at line 14 of file ebc_disas.h.

◆ EBC_OPERAND2_INDX

#define EBC_OPERAND2_INDX 0x02

Definition at line 16 of file ebc_disas.h.

◆ EBC_OPERAND2_MASK

#define EBC_OPERAND2_MASK (0x07 << 4)

Definition at line 12 of file ebc_disas.h.

◆ EBC_OPERANDS_MAXLEN

#define EBC_OPERANDS_MAXLEN 32

Definition at line 21 of file ebc_disas.h.

◆ TEST_BIT

#define TEST_BIT	(	x,
		n
	)	(x & (1 << n))

Definition at line 27 of file ebc_disas.h.

Typedef Documentation

◆ ebc_command_t

typedef struct ebc_command ebc_command_t

Enumeration Type Documentation

◆ ebc_opcodes

enum ebc_opcodes

Enumerator
EBC_BREAK
EBC_JMP
EBC_JMP8
EBC_CALL
EBC_RET
EBC_CMPEQ
EBC_CMPLTE
EBC_CMPGTE
EBC_CMPULTE
EBC_CMPUGTE
EBC_NOT
EBC_NEG
EBC_ADD
EBC_SUB
EBC_MUL
EBC_MULU
EBC_DIV
EBC_DIVU
EBC_MOD
EBC_MODU
EBC_AND
EBC_OR
EBC_XOR
EBC_SHL
EBC_SHR
EBC_ASHR
EBC_EXTNDB
EBC_EXTNDW
EBC_EXTNDD
EBC_MOVBW
EBC_MOVWW
EBC_MOVDW
EBC_MOVQW
EBC_MOVBD
EBC_MOVWD
EBC_MOVDD
EBC_MOVQD
EBC_MOVSNW
EBC_MOVSND
EBC_UNDEFINED
EBC_MOVQQ
EBC_LOADSP
EBC_STORESP
EBC_PUSH
EBC_POP
EBC_CMPIEQ
EBC_CMPILTE
EBC_CMPIGTE
EBC_CMPIULTE
EBC_CMPIUGTE
EBC_MOVNW
EBC_MOVND
EBC_UNDEFINED2
EBC_PUSHN
EBC_POPN
EBC_MOVI
EBC_MOVIN
EBC_MOVREL
EBC_COMMAND_NUM

Definition at line 29 of file ebc_disas.h.

                  {
     EBC_BREAK = 0x00,
     EBC_JMP = 0x01,
     EBC_JMP8 = 0x02,
     EBC_CALL = 0x03,
     EBC_RET = 0x04,
     EBC_CMPEQ = 0x05,
     EBC_CMPLTE = 0x06,
     EBC_CMPGTE = 0x07,
     EBC_CMPULTE = 0x08,
     EBC_CMPUGTE = 0x09,
     EBC_NOT = 0x0A,
     EBC_NEG = 0x0B,
     EBC_ADD = 0x0C,
     EBC_SUB = 0x0D,
     EBC_MUL = 0x0E,
     EBC_MULU = 0x0F,
     EBC_DIV = 0x10,
     EBC_DIVU = 0x11,
     EBC_MOD = 0x12,
     EBC_MODU = 0x13,
     EBC_AND = 0x14,
     EBC_OR = 0x15,
     EBC_XOR = 0x16,
     EBC_SHL = 0x17,
     EBC_SHR = 0x18,
     EBC_ASHR = 0x19,
     EBC_EXTNDB = 0x1A,
     EBC_EXTNDW = 0x1B,
     EBC_EXTNDD = 0x1C,
     EBC_MOVBW = 0x1D,
     EBC_MOVWW = 0x1E,
     EBC_MOVDW = 0x1F,
     EBC_MOVQW = 0x20,
     EBC_MOVBD = 0x21,
     EBC_MOVWD = 0x22,
     EBC_MOVDD = 0x23,
     EBC_MOVQD = 0x24,
     EBC_MOVSNW = 0x25,
     EBC_MOVSND = 0x26,
     EBC_UNDEFINED = 0x27,
     EBC_MOVQQ = 0x28,
     EBC_LOADSP = 0x29,
     EBC_STORESP = 0x2A,
     EBC_PUSH = 0x2B,
     EBC_POP = 0x2C,
     EBC_CMPIEQ = 0x2D,
     EBC_CMPILTE = 0x2E,
     EBC_CMPIGTE = 0x2F,
     EBC_CMPIULTE = 0x30,
     EBC_CMPIUGTE = 0x31,
     EBC_MOVNW = 0x32,
     EBC_MOVND = 0x33,
     EBC_UNDEFINED2 = 0x34,
     EBC_PUSHN = 0x35,
     EBC_POPN = 0x36,
     EBC_MOVI = 0x37,
     EBC_MOVIN = 0x38,
     EBC_MOVREL = 0x39,
     EBC_COMMAND_NUM
 };

Function Documentation

◆ ebc_decode_command()

int ebc_decode_command	(	const uint8_t *	instr,
		ebc_command_t *	cmd
	)

Definition at line 986 of file ebc_disas.c.

                                                              {
     if ((instr[0] & EBC_OPCODE_MASK) > 0x39) {
         {
             return -1;
         }
     }
     return decodes[instr[0] & EBC_OPCODE_MASK](instr, cmd);
 }

References cmd, decodes, and EBC_OPCODE_MASK.

Referenced by disassemble(), and ebc_op().

Classes

Macros

Typedefs

Enumerations

Functions