| 1 | /* Declarations for SH64 opcodes.
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| 2 | Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; if not, write to the Free Software
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| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 17 |
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| 18 | #ifndef _SH64_OPC_INCLUDED_H
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| 19 | #define _SH64_OPC_INCLUDED_H
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| 20 |
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| 21 | typedef enum
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| 22 | {
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| 23 | /* A placeholder. */
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| 24 | OFFSET_NONE = 0,
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| 25 |
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| 26 | /* Bit number for where to insert operand. */
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| 27 | OFFSET_4 = 4,
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| 28 | OFFSET_9 = 9,
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| 29 | OFFSET_10 = 10,
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| 30 | OFFSET_20 = 20
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| 31 | } shmedia_nibble_type;
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| 32 |
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| 33 | typedef enum {
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| 34 | /* First a placeholder. */
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| 35 | A_NONE = 0,
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| 36 |
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| 37 | /* Registers. */
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| 38 | A_GREG_M,
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| 39 | A_GREG_N,
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| 40 | A_GREG_D,
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| 41 | A_FREG_G,
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| 42 | A_FREG_H,
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| 43 | A_FREG_F,
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| 44 | A_DREG_G,
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| 45 | A_DREG_H,
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| 46 | A_DREG_F,
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| 47 | A_FVREG_G,
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| 48 | A_FVREG_H,
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| 49 | A_FVREG_F,
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| 50 | A_FMREG_G,
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| 51 | A_FMREG_H,
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| 52 | A_FMREG_F,
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| 53 | A_FPREG_G,
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| 54 | A_FPREG_H,
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| 55 | A_FPREG_F,
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| 56 | A_TREG_A,
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| 57 | A_TREG_B,
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| 58 | A_CREG_K,
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| 59 | A_CREG_J,
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| 60 |
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| 61 | /* This one is only used in a shmedia_get_operand. */
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| 62 | A_IMMM,
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| 63 |
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| 64 | /* Copy of previous register. */
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| 65 | A_REUSE_PREV,
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| 66 |
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| 67 | /* Unsigned 5-bit operand. */
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| 68 | A_IMMU5,
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| 69 |
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| 70 | /* Signed 6-bit operand. */
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| 71 | A_IMMS6,
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| 72 |
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| 73 | /* Signed operand, 6 bits << 5. */
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| 74 | A_IMMS6BY32,
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| 75 |
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| 76 | /* Unsigned 6-bit operand. */
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| 77 | A_IMMU6,
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| 78 |
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| 79 | /* Signed 10-bit operand. */
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| 80 | A_IMMS10,
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| 81 |
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| 82 | /* Signed operand, 10 bits << 0. */
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| 83 | A_IMMS10BY1,
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| 84 |
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| 85 | /* Signed operand, 10 bits << 1. */
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| 86 | A_IMMS10BY2,
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| 87 |
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| 88 | /* Signed operand, 10 bits << 2. */
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| 89 | A_IMMS10BY4,
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| 90 |
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| 91 | /* Signed operand, 10 bits << 3. */
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| 92 | A_IMMS10BY8,
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| 93 |
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| 94 | /* Signed 16-bit operand. */
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| 95 | A_IMMS16,
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| 96 |
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| 97 | /* Unsigned 16-bit operand. */
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| 98 | A_IMMU16,
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| 99 |
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| 100 | /* PC-relative signed operand, 16 bits << 2, for PTA and PTB insns. */
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| 101 | A_PCIMMS16BY4,
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| 102 |
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| 103 | /* PC relative signed operand, 16 bits << 2, for PT insns. Also adjusts
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| 104 | the opcode to be PTA or PTB. */
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| 105 | A_PCIMMS16BY4_PT,
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| 106 | } shmedia_arg_type;
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| 107 |
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| 108 | typedef struct {
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| 109 | char *name;
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| 110 | shmedia_arg_type arg[4];
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| 111 | shmedia_nibble_type nibbles[4];
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| 112 | unsigned long opcode_base;
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| 113 | } shmedia_opcode_info;
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| 114 |
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| 115 | extern const shmedia_opcode_info shmedia_table[];
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| 116 |
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| 117 | typedef struct {
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| 118 | int cregno;
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| 119 | char *name;
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| 120 | } shmedia_creg_info;
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| 121 |
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| 122 | extern const shmedia_creg_info shmedia_creg_table[];
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| 123 |
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| 124 | #define SHMEDIA_LIKELY_BIT 0x00000200
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| 125 | #define SHMEDIA_PT_OPC 0xe8000000
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| 126 | #define SHMEDIA_PTB_BIT 0x04000000
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| 127 | #define SHMEDIA_PTA_OPC 0xe8000000
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| 128 | #define SHMEDIA_PTB_OPC 0xec000000
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| 129 |
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| 130 | /* Note that this is ptrel/u. "Or" in SHMEDIA_LIKELY_BIT for ptrel/l. */
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| 131 | #define SHMEDIA_PTREL_OPC 0x6bf50000
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| 132 | #define SHMEDIA_MOVI_OPC 0xcc000000
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| 133 | #define SHMEDIA_SHORI_OPC 0xc8000000
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| 134 | #define SHMEDIA_ADDI_OPC 0xd0000000
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| 135 | #define SHMEDIA_ADD_OPC 0x00090000
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| 136 | #define SHMEDIA_NOP_OPC 0x6ff0fff0
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| 137 | #define SHMEDIA_TEMP_REG 25
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| 138 |
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| 139 | #endif /* _SH64_OPC_INCLUDED_H */
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