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dis-bench / src /binutils /binutils-2.44 /include /opcode /d30v.h
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/* d30v.h -- Header file for D30V opcode table
Copyright (C) 1997-2025 Free Software Foundation, Inc.
Written by Martin Hunt (hunt@cygnus.com), Cygnus Solutions
This file is part of GDB, GAS, and the GNU binutils.
GDB, GAS, and the GNU binutils are free software; you can redistribute
them and/or modify them under the terms of the GNU General Public
License as published by the Free Software Foundation; either version 3,
or (at your option) any later version.
GDB, GAS, and the GNU binutils are distributed in the hope that they
will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this file; see the file COPYING3. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef D30V_H
#define D30V_H
#ifdef __cplusplus
extern "C" {
#endif
#define NOP 0x00F00000
/* Structure to hold information about predefined registers. */
struct pd_reg
{
char *name; /* name to recognize */
char *pname; /* name to print for this register */
unsigned int value;
};
extern const struct pd_reg pre_defined_registers[];
int reg_name_cnt (void);
/* the number of control registers */
#define MAX_CONTROL_REG 64
/* define the format specifiers */
#define FM00 0
#define FM01 0x80000000
#define FM10 0x8000000000000000LL
#define FM11 0x8000000080000000LL
/* define the opcode classes */
#define BRA 0
#define LOGIC 1
#define IMEM 2
#define IALU1 4
#define IALU2 5
/* define the execution condition codes */
#define ECC_AL 0 /* ALways (default) */
#define ECC_TX 1 /* F0=True, F1=Don't care */
#define ECC_FX 2 /* F0=False, F1=Don't care */
#define ECC_XT 3 /* F0=Don't care, F1=True */
#define ECC_XF 4 /* F0=Don't care, F1=False */
#define ECC_TT 5 /* F0=True, F1=True */
#define ECC_TF 6 /* F0=True, F1=False */
#define ECC_RESERVED 7 /* reserved */
#define ECC_MAX ECC_RESERVED
extern const char *d30v_ecc_names[];
/* condition code table for CMP and CMPU */
extern const char *d30v_cc_names[];
/* The opcode table is an array of struct d30v_opcode. */
struct d30v_opcode
{
/* The opcode name. */
const char *name;
/* the opcode */
int op1; /* first part, "IALU1" for example */
int op2; /* the rest of the opcode */
/* opcode format(s). These numbers correspond to entries */
/* in the d30v_format_table */
unsigned char format[4];
#define SHORT_M 1
#define SHORT_M2 5 /* for ld2w and st2w */
#define SHORT_A 9
#define SHORT_B1 11
#define SHORT_B2 12
#define SHORT_B2r 13
#define SHORT_B3 14
#define SHORT_B3r 16
#define SHORT_B3b 18
#define SHORT_B3br 20
#define SHORT_D1r 22
#define SHORT_D2 24
#define SHORT_D2r 26
#define SHORT_D2Br 28
#define SHORT_U 30 /* unary SHORT_A. ABS for example */
#define SHORT_F 31 /* SHORT_A with flag registers */
#define SHORT_AF 33 /* SHORT_A with only the first register a flag register */
#define SHORT_T 35 /* for trap instruction */
#define SHORT_A5 36 /* SHORT_A with a 5-bit immediate instead of 6 */
#define SHORT_CMP 38 /* special form for CMPcc */
#define SHORT_CMPU 40 /* special form for CMPUcc */
#define SHORT_A1 42 /* special form of SHORT_A for MACa opcodes where a=1 */
#define SHORT_AA 44 /* SHORT_A with the first register an accumulator */
#define SHORT_RA 46 /* SHORT_A with the second register an accumulator */
#define SHORT_MODINC 48
#define SHORT_MODDEC 49
#define SHORT_C1 50
#define SHORT_C2 51
#define SHORT_UF 52
#define SHORT_A2 53
#define SHORT_NONE 55 /* no operands */
#define SHORT_AR 56 /* like SHORT_AA but only accept register as third parameter */
#define LONG 57
#define LONG_U 58 /* unary LONG */
#define LONG_Ur 59 /* LONG pc-relative */
#define LONG_CMP 60 /* special form for CMPcc and CMPUcc */
#define LONG_M 61 /* Memory long for ldb, stb */
#define LONG_M2 62 /* Memory long for ld2w, st2w */
#define LONG_2 63 /* LONG with 2 operands; jmptnz */
#define LONG_2r 64 /* LONG with 2 operands; bratnz */
#define LONG_2b 65 /* LONG_2 with modifier of 3 */
#define LONG_2br 66 /* LONG_2r with modifier of 3 */
#define LONG_D 67 /* for DJMPI */
#define LONG_Dr 68 /* for DBRAI */
#define LONG_Dbr 69 /* for repeati */
/* the execution unit(s) used */
int unit;
#define EITHER 0
#define IU 1
#define MU 2
#define EITHER_BUT_PREFER_MU 3
/* this field is used to decide if two instructions */
/* can be executed in parallel */
long flags_used;
long flags_set;
#define FLAG_0 (1L<<0)
#define FLAG_1 (1L<<1)
#define FLAG_2 (1L<<2)
#define FLAG_3 (1L<<3)
#define FLAG_4 (1L<<4) /* S (saturation) */
#define FLAG_5 (1L<<5) /* V (overflow) */
#define FLAG_6 (1L<<6) /* VA (accumulated overflow) */
#define FLAG_7 (1L<<7) /* C (carry/borrow) */
#define FLAG_SM (1L<<8) /* SM (stack mode) */
#define FLAG_RP (1L<<9) /* RP (repeat enable) */
#define FLAG_CONTROL (1L<<10) /* control registers */
#define FLAG_A0 (1L<<11) /* A0 */
#define FLAG_A1 (1L<<12) /* A1 */
#define FLAG_JMP (1L<<13) /* instruction is a branch */
#define FLAG_JSR (1L<<14) /* subroutine call. must be aligned */
#define FLAG_MEM (1L<<15) /* reads/writes memory */
#define FLAG_NOT_WITH_ADDSUBppp (1L<<16) /* Old meaning: a 2 word 4 byter operation
New meaning: operation cannot be
combined in parallel with ADD/SUBppp. */
#define FLAG_MUL16 (1L<<17) /* 16 bit multiply */
#define FLAG_MUL32 (1L<<18) /* 32 bit multiply */
#define FLAG_ADDSUBppp (1L<<19) /* ADDppp or SUBppp */
#define FLAG_DELAY (1L<<20) /* This is a delayed branch or jump */
#define FLAG_LKR (1L<<21) /* insn in left slot kills right slot */
#define FLAG_CVVA (FLAG_5|FLAG_6|FLAG_7)
#define FLAG_C FLAG_7
#define FLAG_ALL (FLAG_0 | \
FLAG_1 | \
FLAG_2 | \
FLAG_3 | \
FLAG_4 | \
FLAG_5 | \
FLAG_6 | \
FLAG_7 | \
FLAG_SM | \
FLAG_RP | \
FLAG_CONTROL)
int reloc_flag;
#define RELOC_PCREL 1
#define RELOC_ABS 2
};
extern const struct d30v_opcode d30v_opcode_table[];
extern const int d30v_num_opcodes;
/* The operands table is an array of struct d30v_operand. */
struct d30v_operand
{
/* the length of the field */
int length;
/* The number of significant bits in the operand. */
int bits;
/* position relative to Ra */
int position;
/* syntax flags. */
long flags;
};
extern const struct d30v_operand d30v_operand_table[];
/* Values defined for the flags field of a struct d30v_operand. */
/* this is the destination register; it will be modified */
/* this is used by the optimizer */
#define OPERAND_DEST (1)
/* number or symbol */
#define OPERAND_NUM (2)
/* address or label */
#define OPERAND_ADDR (4)
/* register */
#define OPERAND_REG (8)
/* postincrement + */
#define OPERAND_PLUS (0x10)
/* postdecrement - */
#define OPERAND_MINUS (0x20)
/* signed number */
#define OPERAND_SIGNED (0x40)
/* this operand must be shifted left by 3 */
#define OPERAND_SHIFT (0x80)
/* flag register */
#define OPERAND_FLAG (0x100)
/* control register */
#define OPERAND_CONTROL (0x200)
/* accumulator */
#define OPERAND_ACC (0x400)
/* @ */
#define OPERAND_ATSIGN (0x800)
/* @( */
#define OPERAND_ATPAR (0x1000)
/* predecrement mode '@-sp' */
#define OPERAND_ATMINUS (0x2000)
/* this operand changes the instruction name */
/* for example, CPMcc, CMPUcc */
#define OPERAND_NAME (0x4000)
/* fake operand for mvtsys and mvfsys */
#define OPERAND_SPECIAL (0x8000)
/* let the optimizer know that two registers are affected */
#define OPERAND_2REG (0x10000)
/* This operand is pc-relative. Note that repeati can have two immediate
operands, one of which is pcrel, the other (the IMM6U one) is not. */
#define OPERAND_PCREL (0x20000)
/* The format table is an array of struct d30v_format. */
struct d30v_format
{
int form; /* SHORT_A, LONG, etc */
int modifier; /* two bit modifier following opcode */
unsigned char operands[5];
};
extern const struct d30v_format d30v_format_table[];
/* an instruction is defined by an opcode and a format */
/* for example, "add" has one opcode, but three different */
/* formats, 2 SHORT_A forms and a LONG form. */
struct d30v_insn
{
struct d30v_opcode *op; /* pointer to an entry in the opcode table */
struct d30v_format *form; /* pointer to an entry in the format table */
int ecc; /* execution condition code */
};
/* an expressionS only has one register type, so we fake it */
/* by setting high bits to indicate type */
#define REGISTER_MASK 0xFF
#ifdef __cplusplus
}
#endif
#endif /* D30V_H */