4 files changed, 2 insertions, 1589 deletions

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 190dc985a..e404063f0 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -1,5 +1,4 @@
 set(SRCS
-            arm/disassembler/arm_disasm.cpp
             arm/dynarmic/arm_dynarmic.cpp
             arm/dynarmic/arm_dynarmic_cp15.cpp
             arm/dyncom/arm_dyncom.cpp
@@ -178,7 +177,6 @@ set(SRCS
 
 set(HEADERS
             arm/arm_interface.h
-            arm/disassembler/arm_disasm.h
             arm/dynarmic/arm_dynarmic.h
             arm/dynarmic/arm_dynarmic_cp15.h
             arm/dyncom/arm_dyncom.h
diff --git a/src/core/arm/disassembler/arm_disasm.cpp b/src/core/arm/disassembler/arm_disasm.cpp
deleted file mode 100644
index 05d6ed1fb..000000000
--- a/src/core/arm/disassembler/arm_disasm.cpp
+++ /dev/null
@@ -1,1344 +0,0 @@
-// Copyright 2006 The Android Open Source Project
-
-#include <string>
-#include <unordered_set>
-#include "common/common_types.h"
-#include "common/string_util.h"
-#include "core/arm/disassembler/arm_disasm.h"
-#include "core/arm/skyeye_common/armsupp.h"
-
-static const char* cond_names[] = {"eq", "ne", "cs", "cc", "mi", "pl", "vs", "vc",
-                                   "hi", "ls", "ge", "lt", "gt", "le", "",   "RESERVED"};
-
-static const char* opcode_names[] = {
-    "invalid",   "undefined", "adc",    "add",     "and",    "b",      "bl",     "bic",
-    "bkpt",      "blx",       "bx",     "cdp",     "clrex",  "clz",    "cmn",    "cmp",
-    "eor",       "ldc",       "ldm",    "ldr",     "ldrb",   "ldrbt",  "ldrex",  "ldrexb",
-    "ldrexd",    "ldrexh",    "ldrh",   "ldrsb",   "ldrsh",  "ldrt",   "mcr",    "mla",
-    "mov",       "mrc",       "mrs",    "msr",     "mul",    "mvn",    "nop",    "orr",
-    "pkh",       "pld",       "qadd16", "qadd8",   "qasx",   "qsax",   "qsub16", "qsub8",
-    "rev",       "rev16",     "revsh",  "rsb",     "rsc",    "sadd16", "sadd8",  "sasx",
-    "sbc",       "sel",       "sev",    "shadd16", "shadd8", "shasx",  "shsax",  "shsub16",
-    "shsub8",    "smlad",     "smlal",  "smlald",  "smlsd",  "smlsld", "smmla",  "smmls",
-    "smmul",     "smuad",     "smull",  "smusd",   "ssat",   "ssat16", "ssax",   "ssub16",
-    "ssub8",     "stc",       "stm",    "str",     "strb",   "strbt",  "strex",  "strexb",
-    "strexd",    "strexh",    "strh",   "strt",    "sub",    "swi",    "swp",    "swpb",
-    "sxtab",     "sxtab16",   "sxtah",  "sxtb",    "sxtb16", "sxth",   "teq",    "tst",
-    "uadd16",    "uadd8",     "uasx",   "uhadd16", "uhadd8", "uhasx",  "uhsax",  "uhsub16",
-    "uhsub8",    "umlal",     "umull",  "uqadd16", "uqadd8", "uqasx",  "uqsax",  "uqsub16",
-    "uqsub8",    "usad8",     "usada8", "usat",    "usat16", "usax",   "usub16", "usub8",
-    "uxtab",     "uxtab16",   "uxtah",  "uxtb",    "uxtb16", "uxth",   "wfe",    "wfi",
-    "yield",
-
-    "undefined", "adc",       "add",    "and",     "asr",    "b",      "bic",    "bkpt",
-    "bl",        "blx",       "bx",     "cmn",     "cmp",    "eor",    "ldmia",  "ldr",
-    "ldrb",      "ldrh",      "ldrsb",  "ldrsh",   "lsl",    "lsr",    "mov",    "mul",
-    "mvn",       "neg",       "orr",    "pop",     "push",   "ror",    "sbc",    "stmia",
-    "str",       "strb",      "strh",   "sub",     "swi",    "tst",
-
-    nullptr};
-
-// Indexed by the shift type (bits 6-5)
-static const char* shift_names[] = {"LSL", "LSR", "ASR", "ROR"};
-
-static const char* cond_to_str(u32 cond) {
-    return cond_names[cond];
-}
-
-std::string ARM_Disasm::Disassemble(u32 addr, u32 insn) {
-    Opcode opcode = Decode(insn);
-    switch (opcode) {
-    case OP_INVALID:
-        return "Invalid";
-    case OP_UNDEFINED:
-        return "Undefined";
-    case OP_ADC:
-    case OP_ADD:
-    case OP_AND:
-    case OP_BIC:
-    case OP_CMN:
-    case OP_CMP:
-    case OP_EOR:
-    case OP_MOV:
-    case OP_MVN:
-    case OP_ORR:
-    case OP_RSB:
-    case OP_RSC:
-    case OP_SBC:
-    case OP_SUB:
-    case OP_TEQ:
-    case OP_TST:
-        return DisassembleALU(opcode, insn);
-    case OP_B:
-    case OP_BL:
-        return DisassembleBranch(addr, opcode, insn);
-    case OP_BKPT:
-        return DisassembleBKPT(insn);
-    case OP_BLX:
-        // not supported yet
-        break;
-    case OP_BX:
-        return DisassembleBX(insn);
-    case OP_CDP:
-        return "cdp";
-    case OP_CLREX:
-        return "clrex";
-    case OP_CLZ:
-        return DisassembleCLZ(insn);
-    case OP_LDC:
-        return "ldc";
-    case OP_LDM:
-    case OP_STM:
-        return DisassembleMemblock(opcode, insn);
-    case OP_LDR:
-    case OP_LDRB:
-    case OP_LDRBT:
-    case OP_LDRT:
-    case OP_STR:
-    case OP_STRB:
-    case OP_STRBT:
-    case OP_STRT:
-        return DisassembleMem(insn);
-    case OP_LDREX:
-    case OP_LDREXB:
-    case OP_LDREXD:
-    case OP_LDREXH:
-    case OP_STREX:
-    case OP_STREXB:
-    case OP_STREXD:
-    case OP_STREXH:
-        return DisassembleREX(opcode, insn);
-    case OP_LDRH:
-    case OP_LDRSB:
-    case OP_LDRSH:
-    case OP_STRH:
-        return DisassembleMemHalf(insn);
-    case OP_MCR:
-    case OP_MRC:
-        return DisassembleMCR(opcode, insn);
-    case OP_MLA:
-        return DisassembleMLA(opcode, insn);
-    case OP_MRS:
-        return DisassembleMRS(insn);
-    case OP_MSR:
-        return DisassembleMSR(insn);
-    case OP_MUL:
-        return DisassembleMUL(opcode, insn);
-    case OP_NOP:
-    case OP_SEV:
-    case OP_WFE:
-    case OP_WFI:
-    case OP_YIELD:
-        return DisassembleNoOperands(opcode, insn);
-    case OP_PKH:
-        return DisassemblePKH(insn);
-    case OP_PLD:
-        return DisassemblePLD(insn);
-    case OP_QADD16:
-    case OP_QADD8:
-    case OP_QASX:
-    case OP_QSAX:
-    case OP_QSUB16:
-    case OP_QSUB8:
-    case OP_SADD16:
-    case OP_SADD8:
-    case OP_SASX:
-    case OP_SHADD16:
-    case OP_SHADD8:
-    case OP_SHASX:
-    case OP_SHSAX:
-    case OP_SHSUB16:
-    case OP_SHSUB8:
-    case OP_SSAX:
-    case OP_SSUB16:
-    case OP_SSUB8:
-    case OP_UADD16:
-    case OP_UADD8:
-    case OP_UASX:
-    case OP_UHADD16:
-    case OP_UHADD8:
-    case OP_UHASX:
-    case OP_UHSAX:
-    case OP_UHSUB16:
-    case OP_UHSUB8:
-    case OP_UQADD16:
-    case OP_UQADD8:
-    case OP_UQASX:
-    case OP_UQSAX:
-    case OP_UQSUB16:
-    case OP_UQSUB8:
-    case OP_USAX:
-    case OP_USUB16:
-    case OP_USUB8:
-        return DisassembleParallelAddSub(opcode, insn);
-    case OP_REV:
-    case OP_REV16:
-    case OP_REVSH:
-        return DisassembleREV(opcode, insn);
-    case OP_SEL:
-        return DisassembleSEL(insn);
-    case OP_SMLAD:
-    case OP_SMLALD:
-    case OP_SMLSD:
-    case OP_SMLSLD:
-    case OP_SMMLA:
-    case OP_SMMLS:
-    case OP_SMMUL:
-    case OP_SMUAD:
-    case OP_SMUSD:
-    case OP_USAD8:
-    case OP_USADA8:
-        return DisassembleMediaMulDiv(opcode, insn);
-    case OP_SSAT:
-    case OP_SSAT16:
-    case OP_USAT:
-    case OP_USAT16:
-        return DisassembleSAT(opcode, insn);
-    case OP_STC:
-        return "stc";
-    case OP_SWI:
-        return DisassembleSWI(insn);
-    case OP_SWP:
-    case OP_SWPB:
-        return DisassembleSWP(opcode, insn);
-    case OP_SXTAB:
-    case OP_SXTAB16:
-    case OP_SXTAH:
-    case OP_SXTB:
-    case OP_SXTB16:
-    case OP_SXTH:
-    case OP_UXTAB:
-    case OP_UXTAB16:
-    case OP_UXTAH:
-    case OP_UXTB:
-    case OP_UXTB16:
-    case OP_UXTH:
-        return DisassembleXT(opcode, insn);
-    case OP_UMLAL:
-    case OP_UMULL:
-    case OP_SMLAL:
-    case OP_SMULL:
-        return DisassembleUMLAL(opcode, insn);
-    default:
-        return "Error";
-    }
-    return nullptr;
-}
-
-std::string ARM_Disasm::DisassembleALU(Opcode opcode, u32 insn) {
-    static const u8 kNoOperand1 = 1;
-    static const u8 kNoDest = 2;
-    static const u8 kNoSbit = 4;
-
-    std::string rn_str;
-    std::string rd_str;
-
-    u8 flags = 0;
-    u8 cond = (insn >> 28) & 0xf;
-    u8 is_immed = (insn >> 25) & 0x1;
-    u8 bit_s = (insn >> 20) & 1;
-    u8 rn = (insn >> 16) & 0xf;
-    u8 rd = (insn >> 12) & 0xf;
-    u8 immed = insn & 0xff;
-
-    const char* opname = opcode_names[opcode];
-    switch (opcode) {
-    case OP_CMN:
-    case OP_CMP:
-    case OP_TEQ:
-    case OP_TST:
-        flags = kNoDest | kNoSbit;
-        break;
-    case OP_MOV:
-    case OP_MVN:
-        flags = kNoOperand1;
-        break;
-    default:
-        break;
-    }
-
-    // The "mov" instruction ignores the first operand (rn).
-    rn_str[0] = 0;
-    if ((flags & kNoOperand1) == 0) {
-        rn_str = Common::StringFromFormat("r%d, ", rn);
-    }
-
-    // The following instructions do not write the result register (rd):
-    // tst, teq, cmp, cmn.
-    rd_str[0] = 0;
-    if ((flags & kNoDest) == 0) {
-        rd_str = Common::StringFromFormat("r%d, ", rd);
-    }
-
-    const char* sbit_str = "";
-    if (bit_s && !(flags & kNoSbit))
-        sbit_str = "s";
-
-    if (is_immed) {
-        return Common::StringFromFormat("%s%s%s\t%s%s#%u  ; 0x%x", opname, cond_to_str(cond),
-                                        sbit_str, rd_str.c_str(), rn_str.c_str(), immed, immed);
-    }
-
-    u8 shift_is_reg = (insn >> 4) & 1;
-    u8 rotate = (insn >> 8) & 0xf;
-    u8 rm = insn & 0xf;
-    u8 shift_type = (insn >> 5) & 0x3;
-    u8 rs = (insn >> 8) & 0xf;
-    u8 shift_amount = (insn >> 7) & 0x1f;
-    u32 rotated_val = immed;
-    u8 rotate2 = rotate << 1;
-    rotated_val = (rotated_val >> rotate2) | (rotated_val << (32 - rotate2));
-
-    if (!shift_is_reg && shift_type == 0 && shift_amount == 0) {
-        return Common::StringFromFormat("%s%s%s\t%s%sr%d", opname, cond_to_str(cond), sbit_str,
-                                        rd_str.c_str(), rn_str.c_str(), rm);
-    }
-
-    const char* shift_name = shift_names[shift_type];
-    if (shift_is_reg) {
-        return Common::StringFromFormat("%s%s%s\t%s%sr%d, %s r%d", opname, cond_to_str(cond),
-                                        sbit_str, rd_str.c_str(), rn_str.c_str(), rm, shift_name,
-                                        rs);
-    }
-    if (shift_amount == 0) {
-        if (shift_type == 3) {
-            return Common::StringFromFormat("%s%s%s\t%s%sr%d, RRX", opname, cond_to_str(cond),
-                                            sbit_str, rd_str.c_str(), rn_str.c_str(), rm);
-        }
-        shift_amount = 32;
-    }
-    return Common::StringFromFormat("%s%s%s\t%s%sr%d, %s #%u", opname, cond_to_str(cond), sbit_str,
-                                    rd_str.c_str(), rn_str.c_str(), rm, shift_name, shift_amount);
-}
-
-std::string ARM_Disasm::DisassembleBranch(u32 addr, Opcode opcode, u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u32 offset = insn & 0xffffff;
-    // Sign-extend the 24-bit offset
-    if ((offset >> 23) & 1)
-        offset |= 0xff000000;
-
-    // Pre-compute the left-shift and the prefetch offset
-    offset <<= 2;
-    offset += 8;
-    addr += offset;
-    const char* opname = opcode_names[opcode];
-    return Common::StringFromFormat("%s%s\t0x%x", opname, cond_to_str(cond), addr);
-}
-
-std::string ARM_Disasm::DisassembleBX(u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 rn = insn & 0xf;
-    return Common::StringFromFormat("bx%s\tr%d", cond_to_str(cond), rn);
-}
-
-std::string ARM_Disasm::DisassembleBKPT(u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u32 immed = (((insn >> 8) & 0xfff) << 4) | (insn & 0xf);
-    return Common::StringFromFormat("bkpt%s\t#%d", cond_to_str(cond), immed);
-}
-
-std::string ARM_Disasm::DisassembleCLZ(u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 rd = (insn >> 12) & 0xf;
-    u8 rm = insn & 0xf;
-    return Common::StringFromFormat("clz%s\tr%d, r%d", cond_to_str(cond), rd, rm);
-}
-
-std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    u32 rd = BITS(insn, 16, 19);
-    u32 ra = BITS(insn, 12, 15);
-    u32 rm = BITS(insn, 8, 11);
-    u32 m = BIT(insn, 5);
-    u32 rn = BITS(insn, 0, 3);
-
-    std::string cross = "";
-    if (m) {
-        if (opcode == OP_SMMLA || opcode == OP_SMMUL || opcode == OP_SMMLS)
-            cross = "r";
-        else
-            cross = "x";
-    }
-
-    std::string ext_reg = "";
-    std::unordered_set<Opcode, std::hash<int>> with_ext_reg = {OP_SMLAD, OP_SMLSD, OP_SMMLA,
-                                                               OP_SMMLS, OP_USADA8};
-    if (with_ext_reg.find(opcode) != with_ext_reg.end())
-        ext_reg = Common::StringFromFormat(", r%u", ra);
-
-    std::string rd_low = "";
-    if (opcode == OP_SMLALD || opcode == OP_SMLSLD)
-        rd_low = Common::StringFromFormat("r%u, ", ra);
-
-    return Common::StringFromFormat("%s%s%s\t%sr%u, r%u, r%u%s", opcode_names[opcode],
-                                    cross.c_str(), cond_to_str(cond), rd_low.c_str(), rd, rn, rm,
-                                    ext_reg.c_str());
-}
-
-std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, u32 insn) {
-    std::string tmp_list;
-
-    u8 cond = (insn >> 28) & 0xf;
-    u8 write_back = (insn >> 21) & 0x1;
-    u8 bit_s = (insn >> 22) & 0x1;
-    u8 is_up = (insn >> 23) & 0x1;
-    u8 is_pre = (insn >> 24) & 0x1;
-    u8 rn = (insn >> 16) & 0xf;
-    u16 reg_list = insn & 0xffff;
-
-    const char* opname = opcode_names[opcode];
-
-    const char* bang = "";
-    if (write_back)
-        bang = "!";
-
-    const char* carret = "";
-    if (bit_s)
-        carret = "^";
-
-    const char* comma = "";
-    tmp_list[0] = 0;
-    for (int ii = 0; ii < 16; ++ii) {
-        if (reg_list & (1 << ii)) {
-            tmp_list += Common::StringFromFormat("%sr%d", comma, ii);
-            comma = ",";
-        }
-    }
-
-    const char* addr_mode = "";
-    if (is_pre) {
-        if (is_up) {
-            addr_mode = "ib";
-        } else {
-            addr_mode = "db";
-        }
-    } else {
-        if (is_up) {
-            addr_mode = "ia";
-        } else {
-            addr_mode = "da";
-        }
-    }
-
-    return Common::StringFromFormat("%s%s%s\tr%d%s, {%s}%s", opname, cond_to_str(cond), addr_mode,
-                                    rn, bang, tmp_list.c_str(), carret);
-}
-
-std::string ARM_Disasm::DisassembleMem(u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 is_reg = (insn >> 25) & 0x1;
-    u8 is_load = (insn >> 20) & 0x1;
-    u8 write_back = (insn >> 21) & 0x1;
-    u8 is_byte = (insn >> 22) & 0x1;
-    u8 is_up = (insn >> 23) & 0x1;
-    u8 is_pre = (insn >> 24) & 0x1;
-    u8 rn = (insn >> 16) & 0xf;
-    u8 rd = (insn >> 12) & 0xf;
-    u16 offset = insn & 0xfff;
-
-    const char* opname = "ldr";
-    if (!is_load)
-        opname = "str";
-
-    const char* bang = "";
-    if (write_back)
-        bang = "!";
-
-    const char* minus = "";
-    if (is_up == 0)
-        minus = "-";
-
-    const char* byte = "";
-    if (is_byte)
-        byte = "b";
-
-    if (is_reg == 0) {
-        if (is_pre) {
-            if (offset == 0) {
-                return Common::StringFromFormat("%s%s%s\tr%d, [r%d]", opname, cond_to_str(cond),
-                                                byte, rd, rn);
-            } else {
-                return Common::StringFromFormat("%s%s%s\tr%d, [r%d, #%s%u]%s", opname,
-                                                cond_to_str(cond), byte, rd, rn, minus, offset,
-                                                bang);
-            }
-        } else {
-            const char* transfer = "";
-            if (write_back)
-                transfer = "t";
-
-            return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], #%s%u", opname,
-                                            cond_to_str(cond), byte, transfer, rd, rn, minus,
-                                            offset);
-        }
-    }
-
-    u8 rm = insn & 0xf;
-    u8 shift_type = (insn >> 5) & 0x3;
-    u8 shift_amount = (insn >> 7) & 0x1f;
-
-    const char* shift_name = shift_names[shift_type];
-
-    if (is_pre) {
-        if (shift_amount == 0) {
-            if (shift_type == 0) {
-                return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d]%s", opname,
-                                                cond_to_str(cond), byte, rd, rn, minus, rm, bang);
-            }
-            if (shift_type == 3) {
-                return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d, RRX]%s", opname,
-                                                cond_to_str(cond), byte, rd, rn, minus, rm, bang);
-            }
-            shift_amount = 32;
-        }
-        return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d, %s #%u]%s", opname,
-                                        cond_to_str(cond), byte, rd, rn, minus, rm, shift_name,
-                                        shift_amount, bang);
-    }
-
-    const char* transfer = "";
-    if (write_back)
-        transfer = "t";
-
-    if (shift_amount == 0) {
-        if (shift_type == 0) {
-            return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], %sr%d", opname,
-                                            cond_to_str(cond), byte, transfer, rd, rn, minus, rm);
-        }
-        if (shift_type == 3) {
-            return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], %sr%d, RRX", opname,
-                                            cond_to_str(cond), byte, transfer, rd, rn, minus, rm);
-        }
-        shift_amount = 32;
-    }
-
-    return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], %sr%d, %s #%u", opname,
-                                    cond_to_str(cond), byte, transfer, rd, rn, minus, rm,
-                                    shift_name, shift_amount);
-}
-
-std::string ARM_Disasm::DisassembleMemHalf(u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 is_load = (insn >> 20) & 0x1;
-    u8 write_back = (insn >> 21) & 0x1;
-    u8 is_immed = (insn >> 22) & 0x1;
-    u8 is_up = (insn >> 23) & 0x1;
-    u8 is_pre = (insn >> 24) & 0x1;
-    u8 rn = (insn >> 16) & 0xf;
-    u8 rd = (insn >> 12) & 0xf;
-    u8 bits_65 = (insn >> 5) & 0x3;
-    u8 rm = insn & 0xf;
-    u8 offset = (((insn >> 8) & 0xf) << 4) | (insn & 0xf);
-
-    const char* opname = "ldr";
-    if (is_load == 0)
-        opname = "str";
-
-    const char* width = "";
-    if (bits_65 == 1)
-        width = "h";
-    else if (bits_65 == 2)
-        width = "sb";
-    else
-        width = "sh";
-
-    const char* bang = "";
-    if (write_back)
-        bang = "!";
-    const char* minus = "";
-    if (is_up == 0)
-        minus = "-";
-
-    if (is_immed) {
-        if (is_pre) {
-            if (offset == 0) {
-                return Common::StringFromFormat("%s%s%s\tr%d, [r%d]", opname, cond_to_str(cond),
-                                                width, rd, rn);
-            } else {
-                return Common::StringFromFormat("%s%s%s\tr%d, [r%d, #%s%u]%s", opname,
-                                                cond_to_str(cond), width, rd, rn, minus, offset,
-                                                bang);
-            }
-        } else {
-            return Common::StringFromFormat("%s%s%s\tr%d, [r%d], #%s%u", opname, cond_to_str(cond),
-                                            width, rd, rn, minus, offset);
-        }
-    }
-
-    if (is_pre) {
-        return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d]%s", opname, cond_to_str(cond),
-                                        width, rd, rn, minus, rm, bang);
-    } else {
-        return Common::StringFromFormat("%s%s%s\tr%d, [r%d], %sr%d", opname, cond_to_str(cond),
-                                        width, rd, rn, minus, rm);
-    }
-}
-
-std::string ARM_Disasm::DisassembleMCR(Opcode opcode, u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 crn = (insn >> 16) & 0xf;
-    u8 crd = (insn >> 12) & 0xf;
-    u8 cpnum = (insn >> 8) & 0xf;
-    u8 opcode2 = (insn >> 5) & 0x7;
-    u8 crm = insn & 0xf;
-
-    const char* opname = opcode_names[opcode];
-    return Common::StringFromFormat("%s%s\t%d, 0, r%d, cr%d, cr%d, {%d}", opname, cond_to_str(cond),
-                                    cpnum, crd, crn, crm, opcode2);
-}
-
-std::string ARM_Disasm::DisassembleMLA(Opcode opcode, u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 rd = (insn >> 16) & 0xf;
-    u8 rn = (insn >> 12) & 0xf;
-    u8 rs = (insn >> 8) & 0xf;
-    u8 rm = insn & 0xf;
-    u8 bit_s = (insn >> 20) & 1;
-
-    const char* opname = opcode_names[opcode];
-    return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", opname, cond_to_str(cond),
-                                    bit_s ? "s" : "", rd, rm, rs, rn);
-}
-
-std::string ARM_Disasm::DisassembleUMLAL(Opcode opcode, u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 rdhi = (insn >> 16) & 0xf;
-    u8 rdlo = (insn >> 12) & 0xf;
-    u8 rs = (insn >> 8) & 0xf;
-    u8 rm = insn & 0xf;
-    u8 bit_s = (insn >> 20) & 1;
-
-    const char* opname = opcode_names[opcode];
-    return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", opname, cond_to_str(cond),
-                                    bit_s ? "s" : "", rdlo, rdhi, rm, rs);
-}
-
-std::string ARM_Disasm::DisassembleMUL(Opcode opcode, u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 rd = (insn >> 16) & 0xf;
-    u8 rs = (insn >> 8) & 0xf;
-    u8 rm = insn & 0xf;
-    u8 bit_s = (insn >> 20) & 1;
-
-    const char* opname = opcode_names[opcode];
-    return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d", opname, cond_to_str(cond),
-                                    bit_s ? "s" : "", rd, rm, rs);
-}
-
-std::string ARM_Disasm::DisassembleMRS(u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 rd = (insn >> 12) & 0xf;
-    u8 ps = (insn >> 22) & 1;
-
-    return Common::StringFromFormat("mrs%s\tr%d, %s", cond_to_str(cond), rd, ps ? "spsr" : "cpsr");
-}
-
-std::string ARM_Disasm::DisassembleMSR(u32 insn) {
-    char flags[8];
-    int flag_index = 0;
-    u8 cond = (insn >> 28) & 0xf;
-    u8 is_immed = (insn >> 25) & 0x1;
-    u8 pd = (insn >> 22) & 1;
-    u8 mask = (insn >> 16) & 0xf;
-
-    if (mask & 1)
-        flags[flag_index++] = 'c';
-    if (mask & 2)
-        flags[flag_index++] = 'x';
-    if (mask & 4)
-        flags[flag_index++] = 's';
-    if (mask & 8)
-        flags[flag_index++] = 'f';
-    flags[flag_index] = 0;
-
-    if (is_immed) {
-        u32 immed = insn & 0xff;
-        u8 rotate = (insn >> 8) & 0xf;
-        u8 rotate2 = rotate << 1;
-        u32 rotated_val = (immed >> rotate2) | (immed << (32 - rotate2));
-        return Common::StringFromFormat("msr%s\t%s_%s, #0x%x", cond_to_str(cond),
-                                        pd ? "spsr" : "cpsr", flags, rotated_val);
-    }
-
-    u8 rm = insn & 0xf;
-
-    return Common::StringFromFormat("msr%s\t%s_%s, r%d", cond_to_str(cond), pd ? "spsr" : "cpsr",
-                                    flags, rm);
-}
-
-std::string ARM_Disasm::DisassembleNoOperands(Opcode opcode, u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    return Common::StringFromFormat("%s%s", opcode_names[opcode], cond_to_str(cond));
-}
-
-std::string ARM_Disasm::DisassembleParallelAddSub(Opcode opcode, u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    u32 rn = BITS(insn, 16, 19);
-    u32 rd = BITS(insn, 12, 15);
-    u32 rm = BITS(insn, 0, 3);
-
-    return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[opcode], cond_to_str(cond),
-                                    rd, rn, rm);
-}
-
-std::string ARM_Disasm::DisassemblePKH(u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    u32 rn = BITS(insn, 16, 19);
-    u32 rd = BITS(insn, 12, 15);
-    u32 imm5 = BITS(insn, 7, 11);
-    u32 tb = BIT(insn, 6);
-    u32 rm = BITS(insn, 0, 3);
-
-    std::string suffix = tb ? "tb" : "bt";
-    std::string shift = "";
-
-    if (tb && imm5 == 0)
-        imm5 = 32;
-
-    if (imm5 > 0) {
-        shift = tb ? ", ASR" : ", LSL";
-        shift += " #" + std::to_string(imm5);
-    }
-
-    return Common::StringFromFormat("pkh%s%s\tr%u, r%u, r%u%s", suffix.c_str(), cond_to_str(cond),
-                                    rd, rn, rm, shift.c_str());
-}
-
-std::string ARM_Disasm::DisassemblePLD(u32 insn) {
-    u8 is_reg = (insn >> 25) & 0x1;
-    u8 is_up = (insn >> 23) & 0x1;
-    u8 rn = (insn >> 16) & 0xf;
-
-    const char* minus = "";
-    if (is_up == 0)
-        minus = "-";
-
-    if (is_reg) {
-        u8 rm = insn & 0xf;
-        return Common::StringFromFormat("pld\t[r%d, %sr%d]", rn, minus, rm);
-    }
-
-    u16 offset = insn & 0xfff;
-    if (offset == 0) {
-        return Common::StringFromFormat("pld\t[r%d]", rn);
-    } else {
-        return Common::StringFromFormat("pld\t[r%d, #%s%u]", rn, minus, offset);
-    }
-}
-
-std::string ARM_Disasm::DisassembleREV(Opcode opcode, u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    u32 rd = BITS(insn, 12, 15);
-    u32 rm = BITS(insn, 0, 3);
-
-    return Common::StringFromFormat("%s%s\tr%u, r%u", opcode_names[opcode], cond_to_str(cond), rd,
-                                    rm);
-}
-
-std::string ARM_Disasm::DisassembleREX(Opcode opcode, u32 insn) {
-    u32 rn = BITS(insn, 16, 19);
-    u32 rd = BITS(insn, 12, 15);
-    u32 rt = BITS(insn, 0, 3);
-    u32 cond = BITS(insn, 28, 31);
-
-    switch (opcode) {
-    case OP_STREX:
-    case OP_STREXB:
-    case OP_STREXH:
-        return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opcode_names[opcode],
-                                        cond_to_str(cond), rd, rt, rn);
-    case OP_STREXD:
-        return Common::StringFromFormat("%s%s\tr%d, r%d, r%d, [r%d]", opcode_names[opcode],
-                                        cond_to_str(cond), rd, rt, rt + 1, rn);
-
-    // for LDREX instructions, rd corresponds to Rt from reference manual
-    case OP_LDREX:
-    case OP_LDREXB:
-    case OP_LDREXH:
-        return Common::StringFromFormat("%s%s\tr%d, [r%d]", opcode_names[opcode], cond_to_str(cond),
-                                        rd, rn);
-    case OP_LDREXD:
-        return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opcode_names[opcode],
-                                        cond_to_str(cond), rd, rd + 1, rn);
-    default:
-        return opcode_names[OP_UNDEFINED];
-    }
-}
-
-std::string ARM_Disasm::DisassembleSAT(Opcode opcode, u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    u32 sat_imm = BITS(insn, 16, 20);
-    u32 rd = BITS(insn, 12, 15);
-    u32 imm5 = BITS(insn, 7, 11);
-    u32 sh = BIT(insn, 6);
-    u32 rn = BITS(insn, 0, 3);
-
-    std::string shift_part = "";
-    bool opcode_has_shift = (opcode == OP_SSAT) || (opcode == OP_USAT);
-    if (opcode_has_shift && !(sh == 0 && imm5 == 0)) {
-        if (sh == 0)
-            shift_part += ", LSL #";
-        else
-            shift_part += ", ASR #";
-
-        if (imm5 == 0)
-            imm5 = 32;
-        shift_part += std::to_string(imm5);
-    }
-
-    if (opcode == OP_SSAT || opcode == OP_SSAT16)
-        sat_imm++;
-
-    return Common::StringFromFormat("%s%s\tr%u, #%u, r%u%s", opcode_names[opcode],
-                                    cond_to_str(cond), rd, sat_imm, rn, shift_part.c_str());
-}
-
-std::string ARM_Disasm::DisassembleSEL(u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    u32 rn = BITS(insn, 16, 19);
-    u32 rd = BITS(insn, 12, 15);
-    u32 rm = BITS(insn, 0, 3);
-
-    return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[OP_SEL], cond_to_str(cond),
-                                    rd, rn, rm);
-}
-
-std::string ARM_Disasm::DisassembleSWI(u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u32 sysnum = insn & 0x00ffffff;
-
-    return Common::StringFromFormat("swi%s 0x%x", cond_to_str(cond), sysnum);
-}
-
-std::string ARM_Disasm::DisassembleSWP(Opcode opcode, u32 insn) {
-    u8 cond = (insn >> 28) & 0xf;
-    u8 rn = (insn >> 16) & 0xf;
-    u8 rd = (insn >> 12) & 0xf;
-    u8 rm = insn & 0xf;
-
-    const char* opname = opcode_names[opcode];
-    return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opname, cond_to_str(cond), rd, rm, rn);
-}
-
-std::string ARM_Disasm::DisassembleXT(Opcode opcode, u32 insn) {
-    u32 cond = BITS(insn, 28, 31);
-    u32 rn = BITS(insn, 16, 19);
-    u32 rd = BITS(insn, 12, 15);
-    u32 rotate = BITS(insn, 10, 11);
-    u32 rm = BITS(insn, 0, 3);
-
-    std::string rn_part = "";
-    static std::unordered_set<Opcode, std::hash<int>> extend_with_add = {
-        OP_SXTAB, OP_SXTAB16, OP_SXTAH, OP_UXTAB, OP_UXTAB16, OP_UXTAH};
-    if (extend_with_add.find(opcode) != extend_with_add.end())
-        rn_part = ", r" + std::to_string(rn);
-
-    std::string rotate_part = "";
-    if (rotate != 0)
-        rotate_part = ", ROR #" + std::to_string(rotate << 3);
-
-    return Common::StringFromFormat("%s%s\tr%u%s, r%u%s", opcode_names[opcode], cond_to_str(cond),
-                                    rd, rn_part.c_str(), rm, rotate_part.c_str());
-}
-
-Opcode ARM_Disasm::Decode(u32 insn) {
-    u32 bits27_26 = (insn >> 26) & 0x3;
-    switch (bits27_26) {
-    case 0x0:
-        return Decode00(insn);
-    case 0x1:
-        return Decode01(insn);
-    case 0x2:
-        return Decode10(insn);
-    case 0x3:
-        return Decode11(insn);
-    }
-    return OP_INVALID;
-}
-
-Opcode ARM_Disasm::Decode00(u32 insn) {
-    u8 bit25 = (insn >> 25) & 0x1;
-    u8 bit4 = (insn >> 4) & 0x1;
-    if (bit25 == 0 && bit4 == 1) {
-        if ((insn & 0x0ffffff0) == 0x012fff10) {
-            // Bx instruction
-            return OP_BX;
-        }
-        if ((insn & 0x0ff000f0) == 0x01600010) {
-            // Clz instruction
-            return OP_CLZ;
-        }
-        if ((insn & 0xfff000f0) == 0xe1200070) {
-            // Bkpt instruction
-            return OP_BKPT;
-        }
-        u32 bits7_4 = (insn >> 4) & 0xf;
-        if (bits7_4 == 0x9) {
-            u32 bit24 = BIT(insn, 24);
-            if (bit24) {
-                return DecodeSyncPrimitive(insn);
-            }
-            // One of the multiply instructions
-            return DecodeMUL(insn);
-        }
-
-        u8 bit7 = (insn >> 7) & 0x1;
-        if (bit7 == 1) {
-            // One of the load/store halfword/byte instructions
-            return DecodeLDRH(insn);
-        }
-    }
-
-    u32 op1 = BITS(insn, 20, 24);
-    if (bit25 && (op1 == 0x12 || op1 == 0x16)) {
-        // One of the MSR (immediate) and hints instructions
-        return DecodeMSRImmAndHints(insn);
-    }
-
-    // One of the data processing instructions
-    return DecodeALU(insn);
-}
-
-Opcode ARM_Disasm::Decode01(u32 insn) {
-    u8 is_reg = (insn >> 25) & 0x1;
-    u8 bit4 = (insn >> 4) & 0x1;
-    if (is_reg == 1 && bit4 == 1)
-        return DecodeMedia(insn);
-    u8 is_load = (insn >> 20) & 0x1;
-    u8 is_byte = (insn >> 22) & 0x1;
-    if ((insn & 0xfd70f000) == 0xf550f000) {
-        // Pre-load
-        return OP_PLD;
-    }
-    if (insn == 0xf57ff01f) {
-        // Clear-Exclusive
-        return OP_CLREX;
-    }
-    if (is_load) {
-        if (is_byte) {
-            // Load byte
-            return OP_LDRB;
-        }
-        // Load word
-        return OP_LDR;
-    }
-    if (is_byte) {
-        // Store byte
-        return OP_STRB;
-    }
-    // Store word
-    return OP_STR;
-}
-
-Opcode ARM_Disasm::Decode10(u32 insn) {
-    u8 bit25 = (insn >> 25) & 0x1;
-    if (bit25 == 0) {
-        // LDM/STM
-        u8 is_load = (insn >> 20) & 0x1;
-        if (is_load)
-            return OP_LDM;
-        return OP_STM;
-    }
-
-    // Branch with link
-    if ((insn >> 24) & 1)
-        return OP_BL;
-
-    return OP_B;
-}
-
-Opcode ARM_Disasm::Decode11(u32 insn) {
-    u8 bit25 = (insn >> 25) & 0x1;
-    if (bit25 == 0) {
-        // LDC, SDC
-        u8 is_load = (insn >> 20) & 0x1;
-        if (is_load) {
-            // LDC
-            return OP_LDC;
-        }
-        // STC
-        return OP_STC;
-    }
-
-    u8 bit24 = (insn >> 24) & 0x1;
-    if (bit24 == 0x1) {
-        // SWI
-        return OP_SWI;
-    }
-
-    u8 bit4 = (insn >> 4) & 0x1;
-    u8 cpnum = (insn >> 8) & 0xf;
-
-    if (cpnum == 15) {
-        // Special case for coprocessor 15
-        u8 opcode = (insn >> 21) & 0x7;
-        if (bit4 == 0 || opcode != 0) {
-            // This is an unexpected bit pattern.  Create an undefined
-            // instruction in case this is ever executed.
-            return OP_UNDEFINED;
-        }
-
-        // MRC, MCR
-        u8 is_mrc = (insn >> 20) & 0x1;
-        if (is_mrc)
-            return OP_MRC;
-        return OP_MCR;
-    }
-
-    if (bit4 == 0) {
-        // CDP
-        return OP_CDP;
-    }
-    // MRC, MCR
-    u8 is_mrc = (insn >> 20) & 0x1;
-    if (is_mrc)
-        return OP_MRC;
-    return OP_MCR;
-}
-
-Opcode ARM_Disasm::DecodeSyncPrimitive(u32 insn) {
-    u32 op = BITS(insn, 20, 23);
-    u32 bit22 = BIT(insn, 22);
-    switch (op) {
-    case 0x0:
-        if (bit22)
-            return OP_SWPB;
-        return OP_SWP;
-    case 0x8:
-        return OP_STREX;
-    case 0x9:
-        return OP_LDREX;
-    case 0xA:
-        return OP_STREXD;
-    case 0xB:
-        return OP_LDREXD;
-    case 0xC:
-        return OP_STREXB;
-    case 0xD:
-        return OP_LDREXB;
-    case 0xE:
-        return OP_STREXH;
-    case 0xF:
-        return OP_LDREXH;
-    default:
-        return OP_UNDEFINED;
-    }
-}
-
-Opcode ARM_Disasm::DecodeParallelAddSub(u32 insn) {
-    u32 op1 = BITS(insn, 20, 21);
-    u32 op2 = BITS(insn, 5, 7);
-    u32 is_unsigned = BIT(insn, 22);
-
-    if (op1 == 0x0 || op2 == 0x5 || op2 == 0x6)
-        return OP_UNDEFINED;
-
-    // change op1 range from [1, 3] to range [0, 2]
-    op1--;
-
-    // change op2 range from [0, 4] U {7} to range [0, 5]
-    if (op2 == 0x7)
-        op2 = 0x5;
-
-    static std::vector<Opcode> opcodes = {
-        // op1 = 0
-        OP_SADD16, OP_UADD16, OP_SASX, OP_UASX, OP_SSAX, OP_USAX, OP_SSUB16, OP_USUB16, OP_SADD8,
-        OP_UADD8, OP_SSUB8, OP_USUB8,
-        // op1 = 1
-        OP_QADD16, OP_UQADD16, OP_QASX, OP_UQASX, OP_QSAX, OP_UQSAX, OP_QSUB16, OP_UQSUB16,
-        OP_QADD8, OP_UQADD8, OP_QSUB8, OP_UQSUB8,
-        // op1 = 2
-        OP_SHADD16, OP_UHADD16, OP_SHASX, OP_UHASX, OP_SHSAX, OP_UHSAX, OP_SHSUB16, OP_UHSUB16,
-        OP_SHADD8, OP_UHADD8, OP_SHSUB8, OP_UHSUB8};
-
-    u32 opcode_index = op1 * 12 + op2 * 2 + is_unsigned;
-    return opcodes[opcode_index];
-}
-
-Opcode ARM_Disasm::DecodePackingSaturationReversal(u32 insn) {
-    u32 op1 = BITS(insn, 20, 22);
-    u32 a = BITS(insn, 16, 19);
-    u32 op2 = BITS(insn, 5, 7);
-
-    switch (op1) {
-    case 0x0:
-        if (BIT(op2, 0) == 0)
-            return OP_PKH;
-        if (op2 == 0x3 && a != 0xf)
-            return OP_SXTAB16;
-        if (op2 == 0x3 && a == 0xf)
-            return OP_SXTB16;
-        if (op2 == 0x5)
-            return OP_SEL;
-        break;
-    case 0x2:
-        if (BIT(op2, 0) == 0)
-            return OP_SSAT;
-        if (op2 == 0x1)
-            return OP_SSAT16;
-        if (op2 == 0x3 && a != 0xf)
-            return OP_SXTAB;
-        if (op2 == 0x3 && a == 0xf)
-            return OP_SXTB;
-        break;
-    case 0x3:
-        if (op2 == 0x1)
-            return OP_REV;
-        if (BIT(op2, 0) == 0)
-            return OP_SSAT;
-        if (op2 == 0x3 && a != 0xf)
-            return OP_SXTAH;
-        if (op2 == 0x3 && a == 0xf)
-            return OP_SXTH;
-        if (op2 == 0x5)
-            return OP_REV16;
-        break;
-    case 0x4:
-        if (op2 == 0x3 && a != 0xf)
-            return OP_UXTAB16;
-        if (op2 == 0x3 && a == 0xf)
-            return OP_UXTB16;
-        break;
-    case 0x6:
-        if (BIT(op2, 0) == 0)
-            return OP_USAT;
-        if (op2 == 0x1)
-            return OP_USAT16;
-        if (op2 == 0x3 && a != 0xf)
-            return OP_UXTAB;
-        if (op2 == 0x3 && a == 0xf)
-            return OP_UXTB;
-        break;
-    case 0x7:
-        if (BIT(op2, 0) == 0)
-            return OP_USAT;
-        if (op2 == 0x3 && a != 0xf)
-            return OP_UXTAH;
-        if (op2 == 0x3 && a == 0xf)
-            return OP_UXTH;
-        if (op2 == 0x5)
-            return OP_REVSH;
-        break;
-    default:
-        break;
-    }
-
-    return OP_UNDEFINED;
-}
-
-Opcode ARM_Disasm::DecodeMUL(u32 insn) {
-    u8 bit24 = (insn >> 24) & 0x1;
-    if (bit24 != 0) {
-        // This is an unexpected bit pattern.  Create an undefined
-        // instruction in case this is ever executed.
-        return OP_UNDEFINED;
-    }
-    u8 bit23 = (insn >> 23) & 0x1;
-    u8 bit22_U = (insn >> 22) & 0x1;
-    u8 bit21_A = (insn >> 21) & 0x1;
-    if (bit23 == 0) {
-        // 32-bit multiply
-        if (bit22_U != 0) {
-            // This is an unexpected bit pattern.  Create an undefined
-            // instruction in case this is ever executed.
-            return OP_UNDEFINED;
-        }
-        if (bit21_A == 0)
-            return OP_MUL;
-        return OP_MLA;
-    }
-    // 64-bit multiply
-    if (bit22_U == 0) {
-        // Unsigned multiply long
-        if (bit21_A == 0)
-            return OP_UMULL;
-        return OP_UMLAL;
-    }
-    // Signed multiply long
-    if (bit21_A == 0)
-        return OP_SMULL;
-    return OP_SMLAL;
-}
-
-Opcode ARM_Disasm::DecodeMSRImmAndHints(u32 insn) {
-    u32 op = BIT(insn, 22);
-    u32 op1 = BITS(insn, 16, 19);
-    u32 op2 = BITS(insn, 0, 7);
-
-    if (op == 0 && op1 == 0) {
-        switch (op2) {
-        case 0x0:
-            return OP_NOP;
-        case 0x1:
-            return OP_YIELD;
-        case 0x2:
-            return OP_WFE;
-        case 0x3:
-            return OP_WFI;
-        case 0x4:
-            return OP_SEV;
-        default:
-            return OP_UNDEFINED;
-        }
-    }
-
-    return OP_MSR;
-}
-
-Opcode ARM_Disasm::DecodeMediaMulDiv(u32 insn) {
-    u32 op1 = BITS(insn, 20, 22);
-    u32 op2_h = BITS(insn, 6, 7);
-    u32 a = BITS(insn, 12, 15);
-
-    switch (op1) {
-    case 0x0:
-        if (op2_h == 0x0) {
-            if (a != 0xf)
-                return OP_SMLAD;
-            else
-                return OP_SMUAD;
-        } else if (op2_h == 0x1) {
-            if (a != 0xf)
-                return OP_SMLSD;
-            else
-                return OP_SMUSD;
-        }
-        break;
-    case 0x4:
-        if (op2_h == 0x0)
-            return OP_SMLALD;
-        else if (op2_h == 0x1)
-            return OP_SMLSLD;
-        break;
-    case 0x5:
-        if (op2_h == 0x0) {
-            if (a != 0xf)
-                return OP_SMMLA;
-            else
-                return OP_SMMUL;
-        } else if (op2_h == 0x3) {
-            return OP_SMMLS;
-        }
-        break;
-    default:
-        break;
-    }
-
-    return OP_UNDEFINED;
-}
-
-Opcode ARM_Disasm::DecodeMedia(u32 insn) {
-    u32 op1 = BITS(insn, 20, 24);
-    u32 rd = BITS(insn, 12, 15);
-    u32 op2 = BITS(insn, 5, 7);
-
-    switch (BITS(op1, 3, 4)) {
-    case 0x0:
-        // unsigned and signed parallel addition and subtraction
-        return DecodeParallelAddSub(insn);
-    case 0x1:
-        // Packing, unpacking, saturation, and reversal
-        return DecodePackingSaturationReversal(insn);
-    case 0x2:
-        // Signed multiply, signed and unsigned divide
-        return DecodeMediaMulDiv(insn);
-    case 0x3:
-        if (op2 == 0 && rd == 0xf)
-            return OP_USAD8;
-        if (op2 == 0 && rd != 0xf)
-            return OP_USADA8;
-        break;
-    default:
-        break;
-    }
-
-    return OP_UNDEFINED;
-}
-
-Opcode ARM_Disasm::DecodeLDRH(u32 insn) {
-    u8 is_load = (insn >> 20) & 0x1;
-    u8 bits_65 = (insn >> 5) & 0x3;
-    if (is_load) {
-        if (bits_65 == 0x1) {
-            // Load unsigned halfword
-            return OP_LDRH;
-        } else if (bits_65 == 0x2) {
-            // Load signed byte
-            return OP_LDRSB;
-        }
-        // Signed halfword
-        if (bits_65 != 0x3) {
-            // This is an unexpected bit pattern.  Create an undefined
-            // instruction in case this is ever executed.
-            return OP_UNDEFINED;
-        }
-        // Load signed halfword
-        return OP_LDRSH;
-    }
-    // Store halfword
-    if (bits_65 != 0x1) {
-        // This is an unexpected bit pattern.  Create an undefined
-        // instruction in case this is ever executed.
-        return OP_UNDEFINED;
-    }
-    // Store halfword
-    return OP_STRH;
-}
-
-Opcode ARM_Disasm::DecodeALU(u32 insn) {
-    u8 is_immed = (insn >> 25) & 0x1;
-    u8 opcode = (insn >> 21) & 0xf;
-    u8 bit_s = (insn >> 20) & 1;
-    u8 shift_is_reg = (insn >> 4) & 1;
-    u8 bit7 = (insn >> 7) & 1;
-    if (!is_immed && shift_is_reg && (bit7 != 0)) {
-        // This is an unexpected bit pattern.  Create an undefined
-        // instruction in case this is ever executed.
-        return OP_UNDEFINED;
-    }
-    switch (opcode) {
-    case 0x0:
-        return OP_AND;
-    case 0x1:
-        return OP_EOR;
-    case 0x2:
-        return OP_SUB;
-    case 0x3:
-        return OP_RSB;
-    case 0x4:
-        return OP_ADD;
-    case 0x5:
-        return OP_ADC;
-    case 0x6:
-        return OP_SBC;
-    case 0x7:
-        return OP_RSC;
-    case 0x8:
-        if (bit_s)
-            return OP_TST;
-        return OP_MRS;
-    case 0x9:
-        if (bit_s)
-            return OP_TEQ;
-        return OP_MSR;
-    case 0xa:
-        if (bit_s)
-            return OP_CMP;
-        return OP_MRS;
-    case 0xb:
-        if (bit_s)
-            return OP_CMN;
-        return OP_MSR;
-    case 0xc:
-        return OP_ORR;
-    case 0xd:
-        return OP_MOV;
-    case 0xe:
-        return OP_BIC;
-    case 0xf:
-        return OP_MVN;
-    }
-    // Unreachable
-    return OP_INVALID;
-}
diff --git a/src/core/arm/disassembler/arm_disasm.h b/src/core/arm/disassembler/arm_disasm.h
deleted file mode 100644
index 300e228ed..000000000
--- a/src/core/arm/disassembler/arm_disasm.h
+++ /dev/null
@@ -1,238 +0,0 @@
-// Copyright 2006 The Android Open Source Project
-
-#pragma once
-
-#include <string>
-#include "common/common_types.h"
-
-// Note: this list of opcodes must match the list used to initialize
-// the opflags[] array in opcode.cpp.
-enum Opcode {
-    OP_INVALID,
-    OP_UNDEFINED,
-    OP_ADC,
-    OP_ADD,
-    OP_AND,
-    OP_B,
-    OP_BL,
-    OP_BIC,
-    OP_BKPT,
-    OP_BLX,
-    OP_BX,
-    OP_CDP,
-    OP_CLREX,
-    OP_CLZ,
-    OP_CMN,
-    OP_CMP,
-    OP_EOR,
-    OP_LDC,
-    OP_LDM,
-    OP_LDR,
-    OP_LDRB,
-    OP_LDRBT,
-    OP_LDREX,
-    OP_LDREXB,
-    OP_LDREXD,
-    OP_LDREXH,
-    OP_LDRH,
-    OP_LDRSB,
-    OP_LDRSH,
-    OP_LDRT,
-    OP_MCR,
-    OP_MLA,
-    OP_MOV,
-    OP_MRC,
-    OP_MRS,
-    OP_MSR,
-    OP_MUL,
-    OP_MVN,
-    OP_NOP,
-    OP_ORR,
-    OP_PKH,
-    OP_PLD,
-    OP_QADD16,
-    OP_QADD8,
-    OP_QASX,
-    OP_QSAX,
-    OP_QSUB16,
-    OP_QSUB8,
-    OP_REV,
-    OP_REV16,
-    OP_REVSH,
-    OP_RSB,
-    OP_RSC,
-    OP_SADD16,
-    OP_SADD8,
-    OP_SASX,
-    OP_SBC,
-    OP_SEL,
-    OP_SEV,
-    OP_SHADD16,
-    OP_SHADD8,
-    OP_SHASX,
-    OP_SHSAX,
-    OP_SHSUB16,
-    OP_SHSUB8,
-    OP_SMLAD,
-    OP_SMLAL,
-    OP_SMLALD,
-    OP_SMLSD,
-    OP_SMLSLD,
-    OP_SMMLA,
-    OP_SMMLS,
-    OP_SMMUL,
-    OP_SMUAD,
-    OP_SMULL,
-    OP_SMUSD,
-    OP_SSAT,
-    OP_SSAT16,
-    OP_SSAX,
-    OP_SSUB16,
-    OP_SSUB8,
-    OP_STC,
-    OP_STM,
-    OP_STR,
-    OP_STRB,
-    OP_STRBT,
-    OP_STREX,
-    OP_STREXB,
-    OP_STREXD,
-    OP_STREXH,
-    OP_STRH,
-    OP_STRT,
-    OP_SUB,
-    OP_SWI,
-    OP_SWP,
-    OP_SWPB,
-    OP_SXTAB,
-    OP_SXTAB16,
-    OP_SXTAH,
-    OP_SXTB,
-    OP_SXTB16,
-    OP_SXTH,
-    OP_TEQ,
-    OP_TST,
-    OP_UADD16,
-    OP_UADD8,
-    OP_UASX,
-    OP_UHADD16,
-    OP_UHADD8,
-    OP_UHASX,
-    OP_UHSAX,
-    OP_UHSUB16,
-    OP_UHSUB8,
-    OP_UMLAL,
-    OP_UMULL,
-    OP_UQADD16,
-    OP_UQADD8,
-    OP_UQASX,
-    OP_UQSAX,
-    OP_UQSUB16,
-    OP_UQSUB8,
-    OP_USAD8,
-    OP_USADA8,
-    OP_USAT,
-    OP_USAT16,
-    OP_USAX,
-    OP_USUB16,
-    OP_USUB8,
-    OP_UXTAB,
-    OP_UXTAB16,
-    OP_UXTAH,
-    OP_UXTB,
-    OP_UXTB16,
-    OP_UXTH,
-    OP_WFE,
-    OP_WFI,
-    OP_YIELD,
-
-    // Define thumb opcodes
-    OP_THUMB_UNDEFINED,
-    OP_THUMB_ADC,
-    OP_THUMB_ADD,
-    OP_THUMB_AND,
-    OP_THUMB_ASR,
-    OP_THUMB_B,
-    OP_THUMB_BIC,
-    OP_THUMB_BKPT,
-    OP_THUMB_BL,
-    OP_THUMB_BLX,
-    OP_THUMB_BX,
-    OP_THUMB_CMN,
-    OP_THUMB_CMP,
-    OP_THUMB_EOR,
-    OP_THUMB_LDMIA,
-    OP_THUMB_LDR,
-    OP_THUMB_LDRB,
-    OP_THUMB_LDRH,
-    OP_THUMB_LDRSB,
-    OP_THUMB_LDRSH,
-    OP_THUMB_LSL,
-    OP_THUMB_LSR,
-    OP_THUMB_MOV,
-    OP_THUMB_MUL,
-    OP_THUMB_MVN,
-    OP_THUMB_NEG,
-    OP_THUMB_ORR,
-    OP_THUMB_POP,
-    OP_THUMB_PUSH,
-    OP_THUMB_ROR,
-    OP_THUMB_SBC,
-    OP_THUMB_STMIA,
-    OP_THUMB_STR,
-    OP_THUMB_STRB,
-    OP_THUMB_STRH,
-    OP_THUMB_SUB,
-    OP_THUMB_SWI,
-    OP_THUMB_TST,
-
-    OP_END // must be last
-};
-
-class ARM_Disasm {
-public:
-    static std::string Disassemble(u32 addr, u32 insn);
-    static Opcode Decode(u32 insn);
-
-private:
-    static Opcode Decode00(u32 insn);
-    static Opcode Decode01(u32 insn);
-    static Opcode Decode10(u32 insn);
-    static Opcode Decode11(u32 insn);
-    static Opcode DecodeSyncPrimitive(u32 insn);
-    static Opcode DecodeParallelAddSub(u32 insn);
-    static Opcode DecodePackingSaturationReversal(u32 insn);
-    static Opcode DecodeMUL(u32 insn);
-    static Opcode DecodeMSRImmAndHints(u32 insn);
-    static Opcode DecodeMediaMulDiv(u32 insn);
-    static Opcode DecodeMedia(u32 insn);
-    static Opcode DecodeLDRH(u32 insn);
-    static Opcode DecodeALU(u32 insn);
-
-    static std::string DisassembleALU(Opcode opcode, u32 insn);
-    static std::string DisassembleBranch(u32 addr, Opcode opcode, u32 insn);
-    static std::string DisassembleBX(u32 insn);
-    static std::string DisassembleBKPT(u32 insn);
-    static std::string DisassembleCLZ(u32 insn);
-    static std::string DisassembleMediaMulDiv(Opcode opcode, u32 insn);
-    static std::string DisassembleMemblock(Opcode opcode, u32 insn);
-    static std::string DisassembleMem(u32 insn);
-    static std::string DisassembleMemHalf(u32 insn);
-    static std::string DisassembleMCR(Opcode opcode, u32 insn);
-    static std::string DisassembleMLA(Opcode opcode, u32 insn);
-    static std::string DisassembleUMLAL(Opcode opcode, u32 insn);
-    static std::string DisassembleMUL(Opcode opcode, u32 insn);
-    static std::string DisassembleMRS(u32 insn);
-    static std::string DisassembleMSR(u32 insn);
-    static std::string DisassembleNoOperands(Opcode opcode, u32 insn);
-    static std::string DisassembleParallelAddSub(Opcode opcode, u32 insn);
-    static std::string DisassemblePKH(u32 insn);
-    static std::string DisassemblePLD(u32 insn);
-    static std::string DisassembleREV(Opcode opcode, u32 insn);
-    static std::string DisassembleREX(Opcode opcode, u32 insn);
-    static std::string DisassembleSAT(Opcode opcode, u32 insn);
-    static std::string DisassembleSEL(u32 insn);
-    static std::string DisassembleSWI(u32 insn);
-    static std::string DisassembleSWP(Opcode opcode, u32 insn);
-    static std::string DisassembleXT(Opcode opcode, u32 insn);
-};
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index 8073bb705..f4fbb8d04 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -10,7 +10,6 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/microprofile.h"
-#include "core/arm/disassembler/arm_disasm.h"
 #include "core/arm/dyncom/arm_dyncom_dec.h"
 #include "core/arm/dyncom/arm_dyncom_interpreter.h"
 #include "core/arm/dyncom/arm_dyncom_run.h"
@@ -828,10 +827,8 @@ static unsigned int InterpreterTranslateInstruction(const ARMul_State* cpu, cons
 
     int idx;
     if (DecodeARMInstruction(inst, &idx) == ARMDecodeStatus::FAILURE) {
-        std::string disasm = ARM_Disasm::Disassemble(phys_addr, inst);
-        LOG_ERROR(Core_ARM11,
-                  "Decode failure.\tPC: [0x%08" PRIX32 "]\tInstruction: %s [%08" PRIX32 "]",
-                  phys_addr, disasm.c_str(), inst);
+        LOG_ERROR(Core_ARM11, "Decode failure.\tPC: [0x%08" PRIX32 "]\tInstruction: %08" PRIX32,
+                  phys_addr, inst);
         LOG_ERROR(Core_ARM11, "cpsr=0x%" PRIX32 ", cpu->TFlag=%d, r15=0x%08" PRIX32, cpu->Cpsr,
                   cpu->TFlag, cpu->Reg[15]);
         CITRA_IGNORE_EXIT(-1);