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-rw-r--r--src/core/CMakeLists.txt2
-rw-r--r--src/core/arm/disassembler/arm_disasm.cpp1344
-rw-r--r--src/core/arm/disassembler/arm_disasm.h238
-rw-r--r--src/core/arm/dyncom/arm_dyncom_interpreter.cpp7
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);
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 12:15:55 +0000