/* 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;
}
