// Copyright 2012 Michael Kang, 2014 Citra Emulator Project // Licensed under GPLv2 or any later version // Refer to the license.txt file included. #include "A32/skyeye_interpreter/dyncom/arm_dyncom_dec.h" #include "A32/skyeye_interpreter/skyeye_common/armsupp.h" const InstructionSetEncodingItem arm_instruction[] = { { "vmla", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x0, 9, 11, 0x5, 6, 6, 0, 4, 4, 0 }}, { "vmls", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x0, 9, 11, 0x5, 6, 6, 1, 4, 4, 0 }}, { "vnmla", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x1, 9, 11, 0x5, 6, 6, 1, 4, 4, 0 }}, { "vnmls", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x1, 9, 11, 0x5, 6, 6, 0, 4, 4, 0 }}, { "vnmul", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x2, 9, 11, 0x5, 6, 6, 1, 4, 4, 0 }}, { "vmul", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x2, 9, 11, 0x5, 6, 6, 0, 4, 4, 0 }}, { "vadd", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x3, 9, 11, 0x5, 6, 6, 0, 4, 4, 0 }}, { "vsub", 5, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x3, 9, 11, 0x5, 6, 6, 1, 4, 4, 0 }}, { "vdiv", 5, ARMVFP2, { 23, 27, 0x1D, 20, 21, 0x0, 9, 11, 0x5, 6, 6, 0, 4, 4, 0 }}, { "vmov(i)", 4, ARMVFP3, { 23, 27, 0x1D, 20, 21, 0x3, 9, 11, 0x5, 4, 7, 0 }}, { "vmov(r)", 5, ARMVFP3, { 23, 27, 0x1D, 16, 21, 0x30, 9, 11, 0x5, 6, 7, 1, 4, 4, 0 }}, { "vabs", 5, ARMVFP2, { 23, 27, 0x1D, 16, 21, 0x30, 9, 11, 0x5, 6, 7, 3, 4, 4, 0 }}, { "vneg", 5, ARMVFP2, { 23, 27, 0x1D, 17, 21, 0x18, 9, 11, 0x5, 6, 7, 1, 4, 4, 0 }}, { "vsqrt", 5, ARMVFP2, { 23, 27, 0x1D, 16, 21, 0x31, 9, 11, 0x5, 6, 7, 3, 4, 4, 0 }}, { "vcmp", 5, ARMVFP2, { 23, 27, 0x1D, 16, 21, 0x34, 9, 11, 0x5, 6, 6, 1, 4, 4, 0 }}, { "vcmp2", 5, ARMVFP2, { 23, 27, 0x1D, 16, 21, 0x35, 9, 11, 0x5, 0, 6, 0x40 }}, { "vcvt(bds)", 5, ARMVFP2, { 23, 27, 0x1D, 16, 21, 0x37, 9, 11, 0x5, 6, 7, 3, 4, 4, 0 }}, { "vcvt(bff)", 6, ARMVFP3, { 23, 27, 0x1D, 19, 21, 0x7, 17, 17, 0x1, 9, 11, 5, 6, 6, 1 }}, { "vcvt(bfi)", 5, ARMVFP2, { 23, 27, 0x1D, 19, 21, 0x7, 9, 11, 0x5, 6, 6, 1, 4, 4, 0 }}, { "vmovbrs", 3, ARMVFP2, { 21, 27, 0x70, 8, 11, 0xA, 0, 6, 0x10 }}, { "vmsr", 2, ARMVFP2, { 20, 27, 0xEE, 0, 11, 0xA10 }}, { "vmovbrc", 4, ARMVFP2, { 23, 27, 0x1C, 20, 20, 0x0, 8, 11, 0xB, 0, 4, 0x10 }}, { "vmrs", 2, ARMVFP2, { 20, 27, 0xEF, 0, 11, 0xA10 }}, { "vmovbcr", 4, ARMVFP2, { 24, 27, 0xE, 20, 20, 1, 8, 11, 0xB, 0, 4, 0x10 }}, { "vmovbrrss", 3, ARMVFP2, { 21, 27, 0x62, 8, 11, 0xA, 4, 4, 1 }}, { "vmovbrrd", 3, ARMVFP2, { 21, 27, 0x62, 6, 11, 0x2C, 4, 4, 1 }}, { "vstr", 3, ARMVFP2, { 24, 27, 0xD, 20, 21, 0, 9, 11, 5 }}, { "vpush", 3, ARMVFP2, { 23, 27, 0x1A, 16, 21, 0x2D, 9, 11, 5 }}, { "vstm", 3, ARMVFP2, { 25, 27, 0x6, 20, 20, 0, 9, 11, 5 }}, { "vpop", 3, ARMVFP2, { 23, 27, 0x19, 16, 21, 0x3D, 9, 11, 5 }}, { "vldr", 3, ARMVFP2, { 24, 27, 0xD, 20, 21, 1, 9, 11, 5 }}, { "vldm", 3, ARMVFP2, { 25, 27, 0x6, 20, 20, 1, 9, 11, 5 }}, { "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, 27, 0x00000012, 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 }}, { "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", 3, 0, { 23, 27, 0x00000006, 20, 21, 0x00000002, 22, 22, 0x00000001 }}, { "msr", 4, 0, { 23, 27, 0x00000006, 20, 21, 0x00000002, 22, 22, 0x00000000, 16, 19, 0x00000004 }}, { "msr", 5, 0, { 23, 27, 0x00000006, 20, 21, 0x00000002, 22, 22, 0x00000000, 19, 19, 0x00000001, 16, 17, 0x00000000 }}, { "msr", 4, 0, { 23, 27, 0x00000006, 20, 21, 0x00000002, 22, 22, 0x00000000, 16, 17, 0x00000001 }}, { "msr", 4, 0, { 23, 27, 0x00000006, 20, 21, 0x00000002, 22, 22, 0x00000000, 17, 17, 0x00000001 }}, { "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 }}, { "ldrexd", 2, ARMV6K, { 20, 27, 0x0000001B, 4, 7, 0x00000009 }}, { "strexd", 2, ARMV6K, { 20, 27, 0x0000001A, 4, 7, 0x00000009 }}, { "ldrexh", 2, ARMV6K, { 20, 27, 0x0000001F, 4, 7, 0x00000009 }}, { "strexh", 2, ARMV6K, { 20, 27, 0x0000001E, 4, 7, 0x00000009 }}, { "nop", 5, ARMV6K, { 23, 27, 0x00000006, 22, 22, 0x00000000, 20, 21, 0x00000002, 16, 19, 0x00000000, 0, 7, 0x00000000 }}, { "yield", 5, ARMV6K, { 23, 27, 0x00000006, 22, 22, 0x00000000, 20, 21, 0x00000002, 16, 19, 0x00000000, 0, 7, 0x00000001 }}, { "wfe", 5, ARMV6K, { 23, 27, 0x00000006, 22, 22, 0x00000000, 20, 21, 0x00000002, 16, 19, 0x00000000, 0, 7, 0x00000002 }}, { "wfi", 5, ARMV6K, { 23, 27, 0x00000006, 22, 22, 0x00000000, 20, 21, 0x00000002, 16, 19, 0x00000000, 0, 7, 0x00000003 }}, { "sev", 5, ARMV6K, { 23, 27, 0x00000006, 22, 22, 0x00000000, 20, 21, 0x00000002, 16, 19, 0x00000000, 0, 7, 0x00000004 }}, { "swi", 1, 0, { 24, 27, 0x0000000f }}, { "bbl", 1, 0, { 25, 27, 0x00000005 }}, }; const InstructionSetEncodingItem arm_exclusion_code[] = { { "vmla", 0, ARMVFP2, { 0 }}, { "vmls", 0, ARMVFP2, { 0 }}, { "vnmla", 0, ARMVFP2, { 0 }}, { "vnmls", 0, ARMVFP2, { 0 }}, { "vnmul", 0, ARMVFP2, { 0 }}, { "vmul", 0, ARMVFP2, { 0 }}, { "vadd", 0, ARMVFP2, { 0 }}, { "vsub", 0, ARMVFP2, { 0 }}, { "vdiv", 0, ARMVFP2, { 0 }}, { "vmov(i)", 0, ARMVFP3, { 0 }}, { "vmov(r)", 0, ARMVFP3, { 0 }}, { "vabs", 0, ARMVFP2, { 0 }}, { "vneg", 0, ARMVFP2, { 0 }}, { "vsqrt", 0, ARMVFP2, { 0 }}, { "vcmp", 0, ARMVFP2, { 0 }}, { "vcmp2", 0, ARMVFP2, { 0 }}, { "vcvt(bff)", 0, ARMVFP3, { 4, 4, 1 }}, { "vcvt(bds)", 0, ARMVFP2, { 0 }}, { "vcvt(bfi)", 0, ARMVFP2, { 0 }}, { "vmovbrs", 0, ARMVFP2, { 0 }}, { "vmsr", 0, ARMVFP2, { 0 }}, { "vmovbrc", 0, ARMVFP2, { 0 }}, { "vmrs", 0, ARMVFP2, { 0 }}, { "vmovbcr", 0, ARMVFP2, { 0 }}, { "vmovbrrss", 0, ARMVFP2, { 0 }}, { "vmovbrrd", 0, ARMVFP2, { 0 }}, { "vstr", 0, ARMVFP2, { 0 }}, { "vpush", 0, ARMVFP2, { 0 }}, { "vstm", 0, ARMVFP2, { 0 }}, { "vpop", 0, ARMVFP2, { 0 }}, { "vldr", 0, ARMVFP2, { 0 }}, { "vldm", 0, ARMVFP2, { 0 }}, { "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 }}, { "msr", 0, 0, { 0 }}, { "msr", 0, 0, { 0 }}, { "msr", 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 }}, { "ldrexd", 0, ARMV6K, { 0 }}, { "strexd", 0, ARMV6K, { 0 }}, { "ldrexh", 0, ARMV6K, { 0 }}, { "strexh", 0, ARMV6K, { 0 }}, { "nop", 0, ARMV6K, { 0 }}, { "yield", 0, ARMV6K, { 0 }}, { "wfe", 0, ARMV6K, { 0 }}, { "wfi", 0, ARMV6K, { 0 }}, { "sev", 0, ARMV6K, { 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 }} }; ARMDecodeStatus DecodeARMInstruction(u32 instr, s32* idx) { int n = 0; int base = 0; int instr_slots = sizeof(arm_instruction) / sizeof(InstructionSetEncodingItem); ARMDecodeStatus ret = ARMDecodeStatus::FAILURE; for (int i = 0; i < instr_slots; i++) { n = arm_instruction[i].attribute_value; base = 0; // 3DS has no VFP3 support if (arm_instruction[i].version == ARMVFP3) continue; 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(instr, arm_instruction[i].content[base], arm_instruction[i].content[base + 1]) != arm_instruction[i].content[base + 2]) { break; } base += 3; n--; } // All conditions are satisfied. if (n == 0) ret = ARMDecodeStatus::SUCCESS; if (ret == ARMDecodeStatus::SUCCESS) { n = arm_exclusion_code[i].attribute_value; if (n != 0) { base = 0; while (n) { if (BITS(instr, 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 are satisfied. if (n == 0) ret = ARMDecodeStatus::FAILURE; } } if (ret == ARMDecodeStatus::SUCCESS) { *idx = i; return ret; } } return ret; }