opcodes/sh64-opc.h

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