1/* xgate.h -- Freescale XGATE opcode list 2 Copyright (C) 2010-2017 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/* XGATE operand formats as stored in the XGATE_opcode table. 50 They are only used by GAS to recognize operands. */ 51#define XGATE_OP_INH "" /* Inherent. */ 52#define XGATE_OP_TRI "r,r,r" /* Register followed by two registers. */ 53#define XGATE_OP_DYA "r,r" /* Register followed by a register. */ 54#define XGATE_OP_IMM16 "r,if" /* Register followed by 16-bit value. */ 55#define XGATE_OP_IMM8 "r,i8" /* Register followed by 8-bit value. */ 56#define XGATE_OP_IMM4 "r,i4" /* Register followed by 4-bit value. */ 57#define XGATE_OP_IMM3 "i3" /* Register followed by 3-bit value. */ 58#define XGATE_OP_MON "r" /* Single register. */ 59#define XGATE_OP_MON_R_C "r,c" /* General register followed by ccr register. */ 60#define XGATE_OP_MON_C_R "c,r" /* CCR register followed by a general register. */ 61#define XGATE_OP_MON_R_P "r,p" /* General register followed by pc register. */ 62#define XGATE_OP_IDR "r,r,+" /* Three registers with the third having a -/+ directive. */ 63#define XGATE_OP_IDO5 "r,r,i5" /* Two general registers followed by an immediate value. */ 64#define XGATE_OP_REL9 "b9" /* 9-bit value that is relative to the current pc. */ 65#define XGATE_OP_REL10 "ba" /* 10-bit value that is relative to the current pc. */ 66#define XGATE_OP_DYA_MON "=r" 67/* Macro definitions. */ 68#define XGATE_OP_IMM16mADD "r,if; addl addh" 69#define XGATE_OP_IMM16mAND "r,if; andl andh" 70#define XGATE_OP_IMM16mCPC "r,if; cmpl cpch" 71#define XGATE_OP_IMM16mSUB "r,if; subl subh" 72#define XGATE_OP_IMM16mLDW "r,if; ldl ldh" 73 74/* CPU variant identification. */ 75#define XGATE_V1 0x1 76#define XGATE_V2 0x2 77#define XGATE_V3 0x4 78 79/* The opcode table definitions. */ 80struct xgate_opcode 81{ 82 char * name; /* Op-code name. */ 83 char * constraints; /* Constraint chars. */ 84 char * format; /* Bit definitions. */ 85 unsigned int size; /* Opcode size in bytes. */ 86 unsigned int bin_opcode; /* Binary opcode with operands masked off. */ 87 unsigned char cycles_min; /* Minimum cpu cycles needed. */ 88 unsigned char cycles_max; /* Maximum cpu cycles needed. */ 89 unsigned char set_flags_mask; /* CCR flags set. */ 90 unsigned char clr_flags_mask; /* CCR flags cleared. */ 91 unsigned char chg_flags_mask; /* CCR flags changed. */ 92 unsigned char arch; /* CPU variant. */ 93}; 94 95/* The opcode table. The table contains all the opcodes (all pages). 96 You can't rely on the order. */ 97extern const struct xgate_opcode xgate_opcodes[]; 98extern const int xgate_num_opcodes; 99 100#endif /* _OPCODE_XGATE_H */ 101