xgate.h revision 1.1.1.1
1/* xgate.h -- Freescale XGATE opcode list 2 Copyright 2010, 2011, 2012 Free Software Foundation, Inc. 3 Written by Sean Keys (skeys@ipdatasys.com) 4 5 This file is part of the GNU opcodes library. 6 7 This library is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 It is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this file; see the file COPYING. If not, write to the 19 Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22#ifndef _OPCODE_XGATE_H 23#define _OPCODE_XGATE_H 24 25/* XGATE CCR flag definitions. */ 26#define XGATE_N_BIT 0x08 /* XGN - Sign Flag */ 27#define XGATE_Z_BIT 0x04 /* XGZ - Zero Flag */ 28#define XGATE_V_BIT 0x02 /* XGV - Overflow Flag */ 29#define XGATE_C_BIT 0x01 /* XGC - Carry Flag */ 30 31/* Access Detail Notation 32 V ��� Vector fetch: always an aligned word read, lasts for at least one RISC core cycle 33 P ��� Program word fetch: always an aligned word read, lasts for at least one RISC core cycle 34 r ��� 8-bit data read: lasts for at least one RISC core cycle 35 R ��� 16-bit data read: lasts for at least one RISC core cycle 36 w ��� 8-bit data write: lasts for at least one RISC core cycle 37 W ��� 16-bit data write: lasts for at least one RISC core cycle 38 A ��� Alignment cycle: no read or write, lasts for zero or one RISC core cycles 39 f ��� Free cycle: no read or write, lasts for one RISC core cycles. */ 40#define XGATE_CYCLE_V 0x01 41#define XGATE_CYCLE_P 0x02 42#define XGATE_CYCLE_r 0x04 43#define XGATE_CYCLE_R 0x08 44#define XGATE_CYCLE_w 0x10 45#define XGATE_CYCLE_W 0x20 46#define XGATE_CYCLE_A 0x40 47#define XGATE_CYCLE_f 0x80 48 49/* Opcode format abbreviations. */ 50#define XG_INH 0x0001 /* Inherent. */ 51#define XG_I 0x0002 /* 3-bit immediate address. */ 52#define XG_R_I 0x0004 /* Register followed by 4/8-bit immediate value. */ 53#define XG_R_R 0x0008 /* Register followed by a register. */ 54#define XG_R_R_R 0x0010 /* Register followed by two registers. */ 55#define XG_R 0x0020 /* Single register. */ 56#define XG_PC 0x0040 /* PC relative 10 or 11 bit. */ 57#define XG_R_C 0x0080 /* General register followed by ccr register. */ 58#define XG_C_R 0x0100 /* CCR register followed by a general register. */ 59#define XG_R_P 0x0200 /* General register followed by pc register. */ 60#define XG_R_R_I 0x0400 /* Two general registers followed by an immediate value. */ 61#define XG_PCREL 0x0800 /* Immediate value that is relative to the current pc. */ 62 63/* XGATE operand formats as stored in the XGATE_opcode table. 64 They are only used by GAS to recognize operands. */ 65#define XGATE_OP_INH "" 66#define XGATE_OP_TRI "r,r,r" 67#define XGATE_OP_DYA "r,r" 68#define XGATE_OP_IMM16 "r,if" 69#define XGATE_OP_IMM8 "r,i8" 70#define XGATE_OP_IMM4 "r,i4" 71#define XGATE_OP_IMM3 "i3" 72#define XGATE_OP_MON "r" 73#define XGATE_OP_MON_R_C "r,c" 74#define XGATE_OP_MON_C_R "c,r" 75#define XGATE_OP_MON_R_P "r,p" 76#define XGATE_OP_IDR "r,r,+" 77#define XGATE_OP_IDO5 "r,r,i5" 78#define XGATE_OP_REL9 "b9" 79#define XGATE_OP_REL10 "ba" 80#define XGATE_OP_DYA_MON "=r" 81/* Macro definitions. */ 82#define XGATE_OP_IMM16mADD "r,if; addl addh" 83#define XGATE_OP_IMM16mAND "r,if; andl andh" 84#define XGATE_OP_IMM16mCPC "r,if; cmpl cpch" 85#define XGATE_OP_IMM16mSUB "r,if; subl subh" 86#define XGATE_OP_IMM16mLDW "r,if; ldl ldh" 87 88/* CPU variant identification. */ 89#define XGATE_V1 0x1 90#define XGATE_V2 0x2 91#define XGATE_V3 0x4 92 93/* Max opcodes per opcode handle. */ 94#define MAX_OPCODES 0x05 95 96#define MAX_DETECT_CHARS 0x10 97 98/* The opcode table definitions. */ 99struct xgate_opcode 100{ 101 char * name; /* Op-code name. */ 102 char * constraints; /* Constraint chars. */ 103 char * format; /* Bit definitions. */ 104 unsigned int sh_format; /* Shorthand format mask. */ 105 unsigned int size; /* Opcode size in bytes. */ 106 unsigned int bin_opcode; /* Binary opcode with operands masked off. */ 107 unsigned char cycles_min; /* Minimum cpu cycles needed. */ 108 unsigned char cycles_max; /* Maximum cpu cycles needed. */ 109 unsigned char set_flags_mask; /* CCR flags set. */ 110 unsigned char clr_flags_mask; /* CCR flags cleared. */ 111 unsigned char chg_flags_mask; /* CCR flags changed. */ 112 unsigned char arch; /* CPU variant. */ 113}; 114 115/* The opcode table. The table contains all the opcodes (all pages). 116 You can't rely on the order. */ 117extern const struct xgate_opcode xgate_opcodes[]; 118extern const int xgate_num_opcodes; 119 120#endif /* _OPCODE_XGATE_H */ 121