140 lines
3.1 KiB
C
140 lines
3.1 KiB
C
/* Declarations for SH64 opcodes.
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Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _SH64_OPC_INCLUDED_H
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#define _SH64_OPC_INCLUDED_H
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typedef enum
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{
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/* A placeholder. */
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OFFSET_NONE = 0,
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/* Bit number for where to insert operand. */
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OFFSET_4 = 4,
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OFFSET_9 = 9,
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OFFSET_10 = 10,
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OFFSET_20 = 20
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} shmedia_nibble_type;
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typedef enum {
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/* First a placeholder. */
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A_NONE = 0,
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/* Registers. */
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A_GREG_M,
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A_GREG_N,
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A_GREG_D,
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A_FREG_G,
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A_FREG_H,
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A_FREG_F,
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A_DREG_G,
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A_DREG_H,
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A_DREG_F,
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A_FVREG_G,
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A_FVREG_H,
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A_FVREG_F,
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A_FMREG_G,
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A_FMREG_H,
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A_FMREG_F,
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A_FPREG_G,
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A_FPREG_H,
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A_FPREG_F,
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A_TREG_A,
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A_TREG_B,
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A_CREG_K,
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A_CREG_J,
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/* This one is only used in a shmedia_get_operand. */
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A_IMMM,
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/* Copy of previous register. */
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A_REUSE_PREV,
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/* Unsigned 5-bit operand. */
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A_IMMU5,
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/* Signed 6-bit operand. */
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A_IMMS6,
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/* Signed operand, 6 bits << 5. */
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A_IMMS6BY32,
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/* Unsigned 6-bit operand. */
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A_IMMU6,
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/* Signed 10-bit operand. */
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A_IMMS10,
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/* Signed operand, 10 bits << 0. */
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A_IMMS10BY1,
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/* Signed operand, 10 bits << 1. */
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A_IMMS10BY2,
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/* Signed operand, 10 bits << 2. */
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A_IMMS10BY4,
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/* Signed operand, 10 bits << 3. */
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A_IMMS10BY8,
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/* Signed 16-bit operand. */
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A_IMMS16,
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/* Unsigned 16-bit operand. */
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A_IMMU16,
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/* PC-relative signed operand, 16 bits << 2, for PTA and PTB insns. */
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A_PCIMMS16BY4,
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/* PC relative signed operand, 16 bits << 2, for PT insns. Also adjusts
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the opcode to be PTA or PTB. */
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A_PCIMMS16BY4_PT,
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} shmedia_arg_type;
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typedef struct {
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char *name;
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shmedia_arg_type arg[4];
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shmedia_nibble_type nibbles[4];
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unsigned long opcode_base;
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} shmedia_opcode_info;
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extern const shmedia_opcode_info shmedia_table[];
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typedef struct {
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int cregno;
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char *name;
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} shmedia_creg_info;
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extern const shmedia_creg_info shmedia_creg_table[];
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#define SHMEDIA_LIKELY_BIT 0x00000200
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#define SHMEDIA_PT_OPC 0xe8000000
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#define SHMEDIA_PTB_BIT 0x04000000
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#define SHMEDIA_PTA_OPC 0xe8000000
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#define SHMEDIA_PTB_OPC 0xec000000
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/* Note that this is ptrel/u. "Or" in SHMEDIA_LIKELY_BIT for ptrel/l. */
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#define SHMEDIA_PTREL_OPC 0x6bf50000
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#define SHMEDIA_MOVI_OPC 0xcc000000
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#define SHMEDIA_SHORI_OPC 0xc8000000
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#define SHMEDIA_ADDI_OPC 0xd0000000
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#define SHMEDIA_ADD_OPC 0x00090000
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#define SHMEDIA_NOP_OPC 0x6ff0fff0
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#define SHMEDIA_TEMP_REG 25
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#endif /* _SH64_OPC_INCLUDED_H */
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