Subversion Repositories openrisc_2011-10-31

/* Declarations for SH64 opcodes.

   Copyright (C) 2000, 2001, 2002, 2005, 2007 Free Software Foundation, Inc.

   This file is part of the GNU opcodes library.

   This library is free software; you can redistribute it and/or modify

   it 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.

   It is distributed in the hope that it 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 COPYING.  If not, write to the

   Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,

   MA 02110-1301, USA.  */

#ifndef _SH64_OPC_INCLUDED_H

#define _SH64_OPC_INCLUDED_H

typedef enum

{

  /* A placeholder.  */

  OFFSET_NONE = 0,

  /* Bit number for where to insert operand.  */

  OFFSET_4  = 4,

  OFFSET_9  = 9,

  OFFSET_10 = 10,

  OFFSET_20 = 20

} shmedia_nibble_type;

typedef enum {

  /* First a placeholder.  */

  A_NONE = 0,

  /* Registers.  */

  A_GREG_M,

  A_GREG_N,

  A_GREG_D,

  A_FREG_G,

  A_FREG_H,

  A_FREG_F,

  A_DREG_G,

  A_DREG_H,

  A_DREG_F,

  A_FVREG_G,

  A_FVREG_H,

  A_FVREG_F,

  A_FMREG_G,

  A_FMREG_H,

  A_FMREG_F,

  A_FPREG_G,

  A_FPREG_H,

  A_FPREG_F,

  A_TREG_A,

  A_TREG_B,

  A_CREG_K,

  A_CREG_J,

  /* This one is only used in a shmedia_get_operand.  */

  A_IMMM,

  /* Copy of previous register.  */

  A_REUSE_PREV,

  /* Unsigned 5-bit operand.  */

  A_IMMU5,

  /* Signed 6-bit operand.  */

  A_IMMS6,

  /* Signed operand, 6 bits << 5.  */

  A_IMMS6BY32,

  /* Unsigned 6-bit operand.  */

  A_IMMU6,

  /* Signed 10-bit operand.  */

  A_IMMS10,

  /* Signed operand, 10 bits << 0.  */

  A_IMMS10BY1,

  /* Signed operand, 10 bits << 1.  */

  A_IMMS10BY2,

  /* Signed operand, 10 bits << 2.  */

  A_IMMS10BY4,

  /* Signed operand, 10 bits << 3.  */

  A_IMMS10BY8,

  /* Signed 16-bit operand.  */

  A_IMMS16,

  /* Unsigned 16-bit operand.  */

  A_IMMU16,

  /* PC-relative signed operand, 16 bits << 2, for PTA and PTB insns.  */

  A_PCIMMS16BY4,

  /* PC relative signed operand, 16 bits << 2, for PT insns.  Also adjusts

     the opcode to be PTA or PTB.  */

  A_PCIMMS16BY4_PT,

} shmedia_arg_type;

typedef struct {

  char *name;

  shmedia_arg_type arg[4];

  shmedia_nibble_type nibbles[4];

  unsigned long opcode_base;

} shmedia_opcode_info;

extern const shmedia_opcode_info shmedia_table[];

typedef struct {

  int cregno;

  char *name;

} shmedia_creg_info;

extern const shmedia_creg_info shmedia_creg_table[];

#define SHMEDIA_LIKELY_BIT    0x00000200

#define SHMEDIA_PT_OPC        0xe8000000

#define SHMEDIA_PTB_BIT       0x04000000

#define SHMEDIA_PTA_OPC       0xe8000000

#define SHMEDIA_PTB_OPC       0xec000000

/* Note that this is ptrel/u.  "Or" in SHMEDIA_LIKELY_BIT for ptrel/l.  */

#define SHMEDIA_PTREL_OPC     0x6bf50000

#define SHMEDIA_MOVI_OPC      0xcc000000

#define SHMEDIA_SHORI_OPC     0xc8000000

#define SHMEDIA_ADDI_OPC      0xd0000000

#define SHMEDIA_ADD_OPC       0x00090000

#define SHMEDIA_NOP_OPC       0x6ff0fff0

#define SHMEDIA_TEMP_REG      25

#endif /* _SH64_OPC_INCLUDED_H */