opcodes/sh64-opc.h

   1 /* Declarations for SH64 opcodes.
   2    Copyright (C) 2000, 2001, 2002, 2005, 2007 Free Software Foundation, Inc.
   3
   4    This file is part of the GNU opcodes library.
   5
   6    This library is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    It is distributed in the hope that it will be useful, but WITHOUT
  12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14    License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this file; see the file COPYING.  If not, write to the
  18    Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #ifndef _SH64_OPC_INCLUDED_H
  22 #define _SH64_OPC_INCLUDED_H
  23
  24 typedef enum
  25 {
  26   /* A placeholder.  */
  27   OFFSET_NONE = 0,
  28
  29   /* Bit number for where to insert operand.  */
  30   OFFSET_4  = 4,
  31   OFFSET_9  = 9,
  32   OFFSET_10 = 10,
  33   OFFSET_20 = 20
  34 } shmedia_nibble_type;
  35
  36 typedef enum {
  37   /* First a placeholder.  */
  38   A_NONE = 0,
  39
  40   /* Registers.  */
  41   A_GREG_M,
  42   A_GREG_N,
  43   A_GREG_D,
  44   A_FREG_G,
  45   A_FREG_H,
  46   A_FREG_F,
  47   A_DREG_G,
  48   A_DREG_H,
  49   A_DREG_F,
  50   A_FVREG_G,
  51   A_FVREG_H,
  52   A_FVREG_F,
  53   A_FMREG_G,
  54   A_FMREG_H,
  55   A_FMREG_F,
  56   A_FPREG_G,
  57   A_FPREG_H,
  58   A_FPREG_F,
  59   A_TREG_A,
  60   A_TREG_B,
  61   A_CREG_K,
  62   A_CREG_J,
  63
  64   /* This one is only used in a shmedia_get_operand.  */
  65   A_IMMM,
  66
  67   /* Copy of previous register.  */
  68   A_REUSE_PREV,
  69
  70   /* Unsigned 5-bit operand.  */
  71   A_IMMU5,
  72
  73   /* Signed 6-bit operand.  */
  74   A_IMMS6,
  75
  76   /* Signed operand, 6 bits << 5.  */
  77   A_IMMS6BY32,
  78
  79   /* Unsigned 6-bit operand.  */
  80   A_IMMU6,
  81
  82   /* Signed 10-bit operand.  */
  83   A_IMMS10,
  84
  85   /* Signed operand, 10 bits << 0.  */
  86   A_IMMS10BY1,
  87
  88   /* Signed operand, 10 bits << 1.  */
  89   A_IMMS10BY2,
  90
  91   /* Signed operand, 10 bits << 2.  */
  92   A_IMMS10BY4,
  93
  94   /* Signed operand, 10 bits << 3.  */
  95   A_IMMS10BY8,
  96
  97   /* Signed 16-bit operand.  */
  98   A_IMMS16,
  99
 100   /* Unsigned 16-bit operand.  */
 101   A_IMMU16,
 102
 103   /* PC-relative signed operand, 16 bits << 2, for PTA and PTB insns.  */
 104   A_PCIMMS16BY4,
 105
 106   /* PC relative signed operand, 16 bits << 2, for PT insns.  Also adjusts
 107      the opcode to be PTA or PTB.  */
 108   A_PCIMMS16BY4_PT,
 109 } shmedia_arg_type;
 110
 111 typedef struct {
 112   char *name;
 113   shmedia_arg_type arg[4];
 114   shmedia_nibble_type nibbles[4];
 115   unsigned long opcode_base;
 116 } shmedia_opcode_info;
 117
 118 extern const shmedia_opcode_info shmedia_table[];
 119
 120 typedef struct {
 121   int cregno;
 122   char *name;
 123 } shmedia_creg_info;
 124
 125 extern const shmedia_creg_info shmedia_creg_table[];
 126
 127 #define SHMEDIA_LIKELY_BIT    0x00000200
 128 #define SHMEDIA_PT_OPC        0xe8000000
 129 #define SHMEDIA_PTB_BIT       0x04000000
 130 #define SHMEDIA_PTA_OPC       0xe8000000
 131 #define SHMEDIA_PTB_OPC       0xec000000
 132
 133 /* Note that this is ptrel/u.  "Or" in SHMEDIA_LIKELY_BIT for ptrel/l.  */
 134 #define SHMEDIA_PTREL_OPC     0x6bf50000
 135 #define SHMEDIA_MOVI_OPC      0xcc000000
 136 #define SHMEDIA_SHORI_OPC     0xc8000000
 137 #define SHMEDIA_ADDI_OPC      0xd0000000
 138 #define SHMEDIA_ADD_OPC       0x00090000
 139 #define SHMEDIA_NOP_OPC       0x6ff0fff0
 140 #define SHMEDIA_TEMP_REG      25
 141
 142 #endif /* _SH64_OPC_INCLUDED_H */