suyu/src/core/arm/dyncom/arm_dyncom_dec.cpp

/* Copyright (C) 
* 2012 - Michael.Kang blackfin.kang@gmail.com
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
* 
*/
/**
* @file arm_dyncom_dec.cpp
* @brief Some common utility for arm decoder
* @author Michael.Kang blackfin.kang@gmail.com
* @version 7849
* @date 2012-03-15
*/

#include "core/arm/skyeye_common/arm_regformat.h"
#include "core/arm/skyeye_common/armdefs.h"
#include "core/arm/dyncom/arm_dyncom_dec.h"

const ISEITEM arm_instruction[] = {
	#define VFP_DECODE
	#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
	#undef VFP_DECODE
	{"srs"	,  4	,  6	, 25, 31, 0x0000007c, 22, 22, 0x00000001, 16, 20, 0x0000000d,  8, 11, 0x00000005},
	{"rfe"	,  4	,  6	, 25, 31, 0x0000007c, 22, 22, 0x00000000, 20, 20, 0x00000001,  8, 11, 0x0000000a},
	{"bkpt"	,  2	,  3	, 20, 31, 0x00000e12,  4,  7, 0x00000007},
	{"blx"	,  1	,  3	, 25, 31, 0x0000007d},
	{"cps"	,  3	,  6	, 20, 31, 0x00000f10, 16, 16, 0x00000000,  5,  5, 0x00000000},
	{"pld"	,  4	,  4	, 26, 31, 0x0000003d, 24, 24, 0x00000001, 20, 22, 0x00000005, 12, 15, 0x0000000f},
	{"setend"	,  2	,  6	, 16, 31, 0x0000f101,  4,  7, 0x00000000},
	{"clrex"	,  1	,  6	,  0, 31, 0xf57ff01f},
	{"rev16"	,  2	,  6	, 16, 27, 0x000006bf,  4, 11, 0x000000fb},
	{"usad8"	,  3	,  6	, 20, 27, 0x00000078, 12, 15, 0x0000000f,  4,  7, 0x00000001},
	{"sxtb"	,  2	,  6	, 16, 27, 0x000006af,  4,  7, 0x00000007},
	{"uxtb"	,  2	,  6	, 16, 27, 0x000006ef,  4,  7, 0x00000007},
	{"sxth"	,  2	,  6	, 16, 27, 0x000006bf,  4,  7, 0x00000007},
	{"sxtb16"	,  2	,  6	, 16, 27, 0x0000068f,  4,  7, 0x00000007},
	{"uxth"	,  2	,  6	, 16, 27, 0x000006ff,  4,  7, 0x00000007},
	{"uxtb16"	,  2	,  6	, 16, 27, 0x000006cf,  4,  7, 0x00000007},
	{"cpy"	,  2	,  6	, 20, 27, 0x0000001a,  4, 11, 0x00000000},
	{"uxtab"	,  2	,  6	, 20, 27, 0x0000006e,  4,  9, 0x00000007},
	{"ssub8"	,  2	,  6	, 20, 27, 0x00000061,  4,  7, 0x0000000f},
	{"shsub8"	,  2	,  6	, 20, 27, 0x00000063,  4,  7, 0x0000000f},
	{"ssubaddx"	,  2	,  6	, 20, 27, 0x00000061,  4,  7, 0x00000005},
	{"strex"	,  2	,  6	, 20, 27, 0x00000018,  4,  7, 0x00000009},
	{"strexb"	,  2	,  7	, 20, 27, 0x0000001c,  4,  7, 0x00000009},
	{"swp"	,  2	,  0	, 20, 27, 0x00000010,  4,  7, 0x00000009},
	{"swpb"	,  2	,  0	, 20, 27, 0x00000014,  4,  7, 0x00000009},
	{"ssub16"	,  2	,  6	, 20, 27, 0x00000061,  4,  7, 0x00000007},
	{"ssat16"	,  2	,  6	, 20, 27, 0x0000006a,  4,  7, 0x00000003},
	{"shsubaddx"	,  2	,  6	, 20, 27, 0x00000063,  4,  7, 0x00000005},
	{"qsubaddx"	,  2	,  6	, 20, 27, 0x00000062,  4,  7, 0x00000005},
	{"shaddsubx"	,  2	,  6	, 20, 27, 0x00000063,  4,  7, 0x00000003},
	{"shadd8"	,  2	,  6	, 20, 27, 0x00000063,  4,  7, 0x00000009},
	{"shadd16"	,  2	,  6	, 20, 27, 0x00000063,  4,  7, 0x00000001},
	{"sel"	,  2	,  6	, 20, 27, 0x00000068,  4,  7, 0x0000000b},
	{"saddsubx"	,  2	,  6	, 20, 27, 0x00000061,  4,  7, 0x00000003},
	{"sadd8"	,  2	,  6	, 20, 27, 0x00000061,  4,  7, 0x00000009},
	{"sadd16"	,  2	,  6	, 20, 27, 0x00000061,  4,  7, 0x00000001},
	{"shsub16"	,  2	,  6	, 20, 27, 0x00000063,  4,  7, 0x00000007},
	{"umaal"	,  2	,  6	, 20, 27, 0x00000004,  4,  7, 0x00000009},
	{"uxtab16"	,  2	,  6	, 20, 27, 0x0000006c,  4,  7, 0x00000007},
	{"usubaddx"	,  2	,  6	, 20, 27, 0x00000065,  4,  7, 0x00000005},
	{"usub8"	,  2	,  6	, 20, 27, 0x00000065,  4,  7, 0x0000000f},
	{"usub16"	,  2	,  6	, 20, 27, 0x00000065,  4,  7, 0x00000007},
	{"usat16"	,  2	,  6	, 20, 27, 0x0000006e,  4,  7, 0x00000003},
	{"usada8"	,  2	,  6	, 20, 27, 0x00000078,  4,  7, 0x00000001},
	{"uqsubaddx"	,  2	,  6	, 20, 27, 0x00000066,  4,  7, 0x00000005},
	{"uqsub8"	,  2	,  6	, 20, 27, 0x00000066,  4,  7, 0x0000000f},
	{"uqsub16"	,  2	,  6	, 20, 27, 0x00000066,  4,  7, 0x00000007},
	{"uqaddsubx"	,  2	,  6	, 20, 27, 0x00000066,  4,  7, 0x00000003},
	{"uqadd8"	,  2	,  6	, 20, 27, 0x00000066,  4,  7, 0x00000009},
	{"uqadd16"	,  2	,  6	, 20, 27, 0x00000066,  4,  7, 0x00000001},
	{"sxtab"	,  2	,  6	, 20, 27, 0x0000006a,  4,  7, 0x00000007},
	{"uhsubaddx"	,  2	,  6	, 20, 27, 0x00000067,  4,  7, 0x00000005},
	{"uhsub8"	,  2	,  6	, 20, 27, 0x00000067,  4,  7, 0x0000000f},
	{"uhsub16"	,  2	,  6	, 20, 27, 0x00000067,  4,  7, 0x00000007},
	{"uhaddsubx"	,  2	,  6	, 20, 27, 0x00000067,  4,  7, 0x00000003},
	{"uhadd8"	,  2	,  6	, 20, 27, 0x00000067,  4,  7, 0x00000009},
	{"uhadd16"	,  2	,  6	, 20, 27, 0x00000067,  4,  7, 0x00000001},
	{"uaddsubx"	,  2	,  6	, 20, 27, 0x00000065,  4,  7, 0x00000003},
	{"uadd8"	,  2	,  6	, 20, 27, 0x00000065,  4,  7, 0x00000009},
	{"uadd16"	,  2	,  6	, 20, 27, 0x00000065,  4,  7, 0x00000001},
	{"sxtah"	,  2	,  6	, 20, 27, 0x0000006b,  4,  7, 0x00000007},
	{"sxtab16"	,  2	,  6	, 20, 27, 0x00000068,  4,  7, 0x00000007},
	{"qadd8"	,  2	,  6	, 20, 27, 0x00000062,  4,  7, 0x00000009},
	{"bxj"	,  2	,  5	, 20, 27, 0x00000012,  4,  7, 0x00000002},
	{"clz"	,  2	,  3	, 20, 27, 0x00000016,  4,  7, 0x00000001},
	{"uxtah"	,  2	,  6	, 20, 27, 0x0000006f,  4,  7, 0x00000007},
	{"bx"	,  2	,  2	, 20, 27, 0x00000012,  4,  7, 0x00000001},
	{"rev"	,  2	,  6	, 20, 27, 0x0000006b,  4,  7, 0x00000003},
	{"blx"	,  2	,  3	, 20, 27, 0x00000012,  4,  7, 0x00000003},
	{"revsh"	,  2	,  6	, 20, 27, 0x0000006f,  4,  7, 0x0000000b},
	{"qadd"	,  2	,  4	, 20, 27, 0x00000010,  4,  7, 0x00000005},
	{"qadd16"	,  2	,  6	, 20, 27, 0x00000062,  4,  7, 0x00000001},
	{"qaddsubx"	,  2	,  6	, 20, 27, 0x00000062,  4,  7, 0x00000003},
	{"ldrex"	,  2	,  0	, 20, 27, 0x00000019,  4,  7, 0x00000009},
	{"qdadd"	,  2	,  4	, 20, 27, 0x00000014,  4,  7, 0x00000005},
	{"qdsub"	,  2	,  4	, 20, 27, 0x00000016,  4,  7, 0x00000005},
	{"qsub"	,  2	,  4	, 20, 27, 0x00000012,  4,  7, 0x00000005},
	{"ldrexb"	,  2	,  7	, 20, 27, 0x0000001d,  4,  7, 0x00000009},
	{"qsub8"	,  2	,  6	, 20, 27, 0x00000062,  4,  7, 0x0000000f},
	{"qsub16"	,  2	,  6	, 20, 27, 0x00000062,  4,  7, 0x00000007},
	{"smuad"	,  4	,  6	, 20, 27, 0x00000070, 12, 15, 0x0000000f,  6,  7, 0x00000000,  4,  4, 0x00000001},
	{"smmul"	,  4	,  6	, 20, 27, 0x00000075, 12, 15, 0x0000000f,  6,  7, 0x00000000,  4,  4, 0x00000001},
	{"smusd"	,  4	,  6	, 20, 27, 0x00000070, 12, 15, 0x0000000f,  6,  7, 0x00000001,  4,  4, 0x00000001},
	{"smlsd"	,  3	,  6	, 20, 27, 0x00000070,  6,  7, 0x00000001,  4,  4, 0x00000001},
	{"smlsld"	,  3	,  6	, 20, 27, 0x00000074,  6,  7, 0x00000001,  4,  4, 0x00000001},
	{"smmla"	,  3	,  6	, 20, 27, 0x00000075,  6,  7, 0x00000000,  4,  4, 0x00000001},
	{"smmls"	,  3	,  6	, 20, 27, 0x00000075,  6,  7, 0x00000003,  4,  4, 0x00000001},
	{"smlald"	,  3	,  6	, 20, 27, 0x00000074,  6,  7, 0x00000000,  4,  4, 0x00000001},
	{"smlad"	,  3	,  6	, 20, 27, 0x00000070,  6,  7, 0x00000000,  4,  4, 0x00000001},
	{"smlaw"	,  3	,  4	, 20, 27, 0x00000012,  7,  7, 0x00000001,  4,  5, 0x00000000},
	{"smulw"	,  3	,  4	, 20, 27, 0x00000012,  7,  7, 0x00000001,  4,  5, 0x00000002},
	{"pkhtb"	,  2	,  6	, 20, 27, 0x00000068,  4,  6, 0x00000005},
	{"pkhbt"	,  2	,  6	, 20, 27, 0x00000068,  4,  6, 0x00000001},
	{"smul"	,  3	,  4	, 20, 27, 0x00000016,  7,  7, 0x00000001,  4,  4, 0x00000000},
	{"smlalxy"	,  3	,  4	, 20, 27, 0x00000014,  7,  7, 0x00000001,  4,  4, 0x00000000},
//	{"smlal"	,  2	,  4	, 21, 27, 0x00000007,  4,  7, 0x00000009},
	{"smla"	,  3	,  4	, 20, 27, 0x00000010,  7,  7, 0x00000001,  4,  4, 0x00000000},
	{"mcrr"	,  1	,  6	, 20, 27, 0x000000c4},
	{"mrrc"	,  1	,  6	, 20, 27, 0x000000c5},
	{"cmp"	,  2	,  0	, 26, 27, 0x00000000, 20, 24, 0x00000015},
	{"tst"	,  2	,  0	, 26, 27, 0x00000000, 20, 24, 0x00000011},
	{"teq"	,  2	,  0	, 26, 27, 0x00000000, 20, 24, 0x00000013},
	{"cmn"	,  2	,  0	, 26, 27, 0x00000000, 20, 24, 0x00000017},
	{"smull"	,  2	,  0	, 21, 27, 0x00000006,  4,  7, 0x00000009},
	{"umull"	,  2	,  0	, 21, 27, 0x00000004,  4,  7, 0x00000009},
	{"umlal"	,  2	,  0	, 21, 27, 0x00000005,  4,  7, 0x00000009},
	{"smlal"	,  2	,  0	, 21, 27, 0x00000007,  4,  7, 0x00000009},
	{"mul"	,  2	,  0	, 21, 27, 0x00000000,  4,  7, 0x00000009},
	{"mla"	,  2	,  0	, 21, 27, 0x00000001,  4,  7, 0x00000009},
	{"ssat"	,  2	,  6	, 21, 27, 0x00000035,  4,  5, 0x00000001},
	{"usat"	,  2	,  6	, 21, 27, 0x00000037,  4,  5, 0x00000001},
	{"mrs"	,  4	,  0	, 23, 27, 0x00000002, 20, 21, 0x00000000, 16, 19, 0x0000000f,  0, 11, 0x00000000},
	{"msr"	,  3	,  0	, 23, 27, 0x00000002, 20, 21, 0x00000002,  4,  7, 0x00000000},
	{"and"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000000},
	{"bic"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x0000000e},
	{"ldm"	,  3	,  0	, 25, 27, 0x00000004, 20, 22, 0x00000005, 15, 15, 0x00000000},
	{"eor"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000001},
	{"add"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000004},
	{"rsb"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000003},
	{"rsc"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000007},
	{"sbc"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000006},
	{"adc"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000005},
	{"sub"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x00000002},
	{"orr"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x0000000c},
	{"mvn"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x0000000f},
	{"mov"	,  2	,  0	, 26, 27, 0x00000000, 21, 24, 0x0000000d},
	{"stm"	,  2	,  0	, 25, 27, 0x00000004, 20, 22, 0x00000004},
	{"ldm"	,  4	,  0	, 25, 27, 0x00000004, 22, 22, 0x00000001, 20, 20, 0x00000001, 15, 15, 0x00000001},
	{"ldrsh"	,  3	,  2	, 25, 27, 0x00000000, 20, 20, 0x00000001,  4,  7, 0x0000000f},
	{"stm"	,  3	,  0	, 25, 27, 0x00000004, 22, 22, 0x00000000, 20, 20, 0x00000000},
	{"ldm"	,  3	,  0	, 25, 27, 0x00000004, 22, 22, 0x00000000, 20, 20, 0x00000001},
	{"ldrsb"	,  3	,  2	, 25, 27, 0x00000000, 20, 20, 0x00000001,  4,  7, 0x0000000d},
	{"strd"	,  3	,  4	, 25, 27, 0x00000000, 20, 20, 0x00000000,  4,  7, 0x0000000f},
	{"ldrh"	,  3	,  0	, 25, 27, 0x00000000, 20, 20, 0x00000001,  4,  7, 0x0000000b},
	{"strh"	,  3	,  0	, 25, 27, 0x00000000, 20, 20, 0x00000000,  4,  7, 0x0000000b},
	{"ldrd"	,  3	,  4	, 25, 27, 0x00000000, 20, 20, 0x00000000,  4,  7, 0x0000000d},
	{"strt"	,  3	,  0	, 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000002},
	{"strbt"	,  3	,  0	, 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000006},
	{"ldrbt"	,  3	,  0	, 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000007},
	{"ldrt"	,  3	,  0	, 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000003},
	{"mrc"	,  3	,  6	, 24, 27, 0x0000000e, 20, 20, 0x00000001,  4,  4, 0x00000001},
	{"mcr"	,  3	,  0	, 24, 27, 0x0000000e, 20, 20, 0x00000000,  4,  4, 0x00000001},
	{"msr"	,  2	,  0	, 23, 27, 0x00000006, 20, 21, 0x00000002},
	{"ldrb"	,  3	,  0	, 26, 27, 0x00000001, 22, 22, 0x00000001, 20, 20, 0x00000001},
	{"strb"	,  3	,  0	, 26, 27, 0x00000001, 22, 22, 0x00000001, 20, 20, 0x00000000},
	{"ldr"	,  4	,  0	, 28, 31, 0x0000000e, 26, 27, 0x00000001, 22, 22, 0x00000000, 20, 20, 0x00000001},
	{"ldrcond"	,  3	,  0	, 26, 27, 0x00000001, 22, 22, 0x00000000, 20, 20, 0x00000001},
	{"str"	,  3	,  0	, 26, 27, 0x00000001, 22, 22, 0x00000000, 20, 20, 0x00000000},
	{"cdp"	,  2	,  0	, 24, 27, 0x0000000e,  4,  4, 0x00000000},
	{"stc"	,  2	,  0	, 25, 27, 0x00000006, 20, 20, 0x00000000},
	{"ldc"	,  2	,  0	, 25, 27, 0x00000006, 20, 20, 0x00000001},
	{"swi"	,  1	,  0	, 24, 27, 0x0000000f},
	{"bbl"	,  1	,  0	, 25, 27, 0x00000005},
};

const ISEITEM arm_exclusion_code[] = {
	#define VFP_DECODE_EXCLUSION
	#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
	#undef VFP_DECODE_EXCLUSION
	{"srs"	,  0	,  6	,  0},
	{"rfe"	,  0	,  6	,  0},
	{"bkpt"	,  0	,  3	,  0},
	{"blx"	,  0	,  3	,  0},
	{"cps"	,  0	,  6	,  0},
	{"pld"	,  0	,  4	,  0},
	{"setend"	,  0	,  6	,  0},
	{"clrex"	,  0	,  6	,  0},
	{"rev16"	,  0	,  6	,  0},
	{"usad8"	,  0	,  6	,  0},
	{"sxtb"	,  0	,  6	,  0},
	{"uxtb"	,  0	,  6	,  0},
	{"sxth"	,  0	,  6	,  0},
	{"sxtb16"	,  0	,  6	,  0},
	{"uxth"	,  0	,  6	,  0},
	{"uxtb16"	,  0	,  6	,  0},
	{"cpy"	,  0	,  6	,  0},
	{"uxtab"	,  0	,  6	,  0},
	{"ssub8"	,  0	,  6	,  0},
	{"shsub8"	,  0	,  6	,  0},
	{"ssubaddx"	,  0	,  6	,  0},
	{"strex"	,  0	,  6	,  0},
	{"strexb"	,  0	,  7	,  0},
	{"swp"	,  0	,  0	,  0},
	{"swpb"	,  0	,  0	,  0},
	{"ssub16"	,  0	,  6	,  0},
	{"ssat16"	,  0	,  6	,  0},
	{"shsubaddx"	,  0	,  6	,  0},
	{"qsubaddx"	,  0	,  6	,  0},
	{"shaddsubx"	,  0	,  6	,  0},
	{"shadd8"	,  0	,  6	,  0},
	{"shadd16"	,  0	,  6	,  0},
	{"sel"	,  0	,  6	,  0},
	{"saddsubx"	,  0	,  6	,  0},
	{"sadd8"	,  0	,  6	,  0},
	{"sadd16"	,  0	,  6	,  0},
	{"shsub16"	,  0	,  6	,  0},
	{"umaal"	,  0	,  6	,  0},
	{"uxtab16"	,  0	,  6	,  0},
	{"usubaddx"	,  0	,  6	,  0},
	{"usub8"	,  0	,  6	,  0},
	{"usub16"	,  0	,  6	,  0},
	{"usat16"	,  0	,  6	,  0},
	{"usada8"	,  0	,  6	,  0},
	{"uqsubaddx"	,  0	,  6	,  0},
	{"uqsub8"	,  0	,  6	,  0},
	{"uqsub16"	,  0	,  6	,  0},
	{"uqaddsubx"	,  0	,  6	,  0},
	{"uqadd8"	,  0	,  6	,  0},
	{"uqadd16"	,  0	,  6	,  0},
	{"sxtab"	,  0	,  6	,  0},
	{"uhsubaddx"	,  0	,  6	,  0},
	{"uhsub8"	,  0	,  6	,  0},
	{"uhsub16"	,  0	,  6	,  0},
	{"uhaddsubx"	,  0	,  6	,  0},
	{"uhadd8"	,  0	,  6	,  0},
	{"uhadd16"	,  0	,  6	,  0},
	{"uaddsubx"	,  0	,  6	,  0},
	{"uadd8"	,  0	,  6	,  0},
	{"uadd16"	,  0	,  6	,  0},
	{"sxtah"	,  0	,  6	,  0},
	{"sxtab16"	,  0	,  6	,  0},
	{"qadd8"	,  0	,  6	,  0},
	{"bxj"	,  0	,  5	,  0},
	{"clz"	,  0	,  3	,  0},
	{"uxtah"	,  0	,  6	,  0},
	{"bx"	,  0	,  2	,  0},
	{"rev"	,  0	,  6	,  0},
	{"blx"	,  0	,  3	,  0},
	{"revsh"	,  0	,  6	,  0},
	{"qadd"	,  0	,  4	,  0},
	{"qadd16"	,  0	,  6	,  0},
	{"qaddsubx"	,  0	,  6	,  0},
	{"ldrex"	,  0	,  0	,  0},
	{"qdadd"	,  0	,  4	,  0},
	{"qdsub"	,  0	,  4	,  0},
	{"qsub"	,  0	,  4	,  0},
	{"ldrexb"	,  0	,  7	,  0},
	{"qsub8"	,  0	,  6	,  0},
	{"qsub16"	,  0	,  6	,  0},
	{"smuad"	,  0	,  6	,  0},
	{"smmul"	,  0	,  6	,  0},
	{"smusd"	,  0	,  6	,  0},
	{"smlsd"	,  0	,  6	,  0},
	{"smlsld"	,  0	,  6	,  0},
	{"smmla"	,  0	,  6	,  0},
	{"smmls"	,  0	,  6	,  0},
	{"smlald"	,  0	,  6	,  0},
	{"smlad"	,  0	,  6	,  0},
	{"smlaw"	,  0	,  4	,  0},
	{"smulw"	,  0	,  4	,  0},
	{"pkhtb"	,  0	,  6	,  0},
	{"pkhbt"	,  0	,  6	,  0},
	{"smul"	,  0	,  4	,  0},
	{"smlal"	,  0	,  4	,  0},
	{"smla"	,  0	,  4	,  0},
	{"mcrr"	,  0	,  6	,  0},
	{"mrrc"	,  0	,  6	,  0},
	{"cmp"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"tst"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"teq"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"cmn"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"smull"	,  0	,  0	,  0},
	{"umull"	,  0	,  0	,  0},
	{"umlal"	,  0	,  0	,  0},
	{"smlal"	,  0	,  0	,  0},
	{"mul"	,  0	,  0	,  0},
	{"mla"	,  0	,  0	,  0},
	{"ssat"	,  0	,  6	,  0},
	{"usat"	,  0	,  6	,  0},
	{"mrs"	,  0	,  0	,  0},
	{"msr"	,  0	,  0	,  0},
	{"and"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"bic"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"ldm"	,  0	,  0	,  0},
	{"eor"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"add"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"rsb"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"rsc"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"sbc"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"adc"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"sub"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"orr"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"mvn"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"mov"	,  3	,  0	,  4,  4, 0x00000001,  7,  7, 0x00000001, 25, 25, 0x00000000},
	{"stm"	,  0	,  0	,  0},
	{"ldm"	,  0	,  0	,  0},
	{"ldrsh"	,  0	,  2	,  0},
	{"stm"	,  0	,  0	,  0},
	{"ldm"	,  0	,  0	,  0},
	{"ldrsb"	,  0	,  2	,  0},
	{"strd"	,  0	,  4	,  0},
	{"ldrh"	,  0	,  0	,  0},
	{"strh"	,  0	,  0	,  0},
	{"ldrd"	,  0	,  4	,  0},
	{"strt"	,  0	,  0	,  0},
	{"strbt"	,  0	,  0	,  0},
	{"ldrbt"	,  0	,  0	,  0},
	{"ldrt"	,  0	,  0	,  0},
	{"mrc"	,  0	,  6	,  0},
	{"mcr"	,  0	,  0	,  0},
	{"msr"	,  0	,  0	,  0},
	{"ldrb"	,  0	,  0	,  0},
	{"strb"	,  0	,  0	,  0},
	{"ldr"	,  0	,  0	,  0},
	{"ldrcond"	,  1	,  0	,  28, 31, 0x0000000e},
	{"str"	,  0	,  0	,  0},
	{"cdp"	,  0	,  0	,  0},
	{"stc"	,  0	,  0	,  0},
	{"ldc"	,  0	,  0	,  0},
	{"swi"	,  0	,  0	,  0},
	{"bbl"	,  0	,  0	,  0},
        {"bl_1_thumb",      0,      INVALID, 0},/* should be table[-4] */         
        {"bl_2_thumb",      0,      INVALID, 0}, /* should be located at the end of the table[-3] */
	{"blx_1_thumb",      0,      INVALID, 0}, /* should be located at table[-2] */
        {"invalid",      0,      INVALID, 0}         
};

int decode_arm_instr(uint32_t instr, int32_t *idx)
{
	int n = 0;
	int base = 0;
	int ret = DECODE_FAILURE;
	int i = 0;
	int instr_slots = sizeof(arm_instruction)/sizeof(ISEITEM);
	for (i = 0; i < instr_slots; i++)
	{
//		ret = DECODE_SUCCESS;
		n = arm_instruction[i].attribute_value;
		base = 0;
		while (n) {
			if (arm_instruction[i].content[base + 1] == 31 && arm_instruction[i].content[base] == 0) {
				/* clrex */
				if (instr != arm_instruction[i].content[base + 2]) {
					break;
				}
			} else if (BITS(arm_instruction[i].content[base], arm_instruction[i].content[base + 1]) != arm_instruction[i].content[base + 2]) {
				break;
			}
			base += 3;
			n --;
		}
		//All conditions is satisfied.
		if (n == 0)
			ret = DECODE_SUCCESS;

		if (ret == DECODE_SUCCESS) {
			n = arm_exclusion_code[i].attribute_value;
			if (n != 0) {
				base = 0;
				while (n) {
					if (BITS(arm_exclusion_code[i].content[base], arm_exclusion_code[i].content[base + 1]) != arm_exclusion_code[i].content[base + 2]) {
						break;					}
					base += 3;
					n --;
				}
				//All conditions is satisfied.
				if (n == 0)
					ret = DECODE_FAILURE;
			}
		}

		if (ret == DECODE_SUCCESS) {
			*idx = i;
			return ret;
		}
	}
	return ret;
}