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https://github.com/yuzu-emu/yuzu.git
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dmnt_cheat_vm: Make Cheat VM compliant to code style
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3e729c13cc
commit
682174b112
@ -17,6 +17,7 @@
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#include "core/file_sys/bis_factory.h"
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#include "core/file_sys/card_image.h"
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#include "core/file_sys/mode.h"
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#include "core/file_sys/patch_manager.h"
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#include "core/file_sys/registered_cache.h"
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#include "core/file_sys/romfs_factory.h"
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#include "core/file_sys/savedata_factory.h"
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@ -43,8 +44,6 @@
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#include "core/settings.h"
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#include "core/telemetry_session.h"
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#include "core/tools/freezer.h"
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#include "file_sys/cheat_engine.h"
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#include "file_sys/patch_manager.h"
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#include "video_core/debug_utils/debug_utils.h"
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#include "video_core/renderer_base.h"
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#include "video_core/video_core.h"
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@ -102,7 +102,7 @@ std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
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std::optional<u64> current_entry = std::nullopt;
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for (std::size_t i = 0; i < data.size(); ++i) {
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if (std::isspace(data[i])) {
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if (::isspace(data[i])) {
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continue;
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}
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@ -143,7 +143,7 @@ std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
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'\0';
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i += name.length() + 1;
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} else if (std::isxdigit(data[i])) {
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} else if (::isxdigit(data[i])) {
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if (!current_entry || out[*current_entry].definition.num_opcodes >=
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out[*current_entry].definition.opcodes.size()) {
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return {};
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@ -188,7 +188,7 @@ CheatEngine::~CheatEngine() {
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void CheatEngine::Initialize() {
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event = core_timing.RegisterEvent(
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"CheatEngine::FrameCallback::" + Common::HexArrayToString(metadata.main_nso_build_id),
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"CheatEngine::FrameCallback::" + Common::HexToString(metadata.main_nso_build_id),
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[this](u64 userdata, s64 cycles_late) { FrameCallback(userdata, cycles_late); });
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core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS, event);
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File diff suppressed because it is too large
Load Diff
@ -24,6 +24,7 @@
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#pragma once
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#include <variant>
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#include <vector>
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#include <fmt/printf.h>
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#include "common/common_types.h"
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@ -31,100 +32,100 @@
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namespace Memory {
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enum CheatVmOpcodeType : u32 {
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CheatVmOpcodeType_StoreStatic = 0,
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CheatVmOpcodeType_BeginConditionalBlock = 1,
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CheatVmOpcodeType_EndConditionalBlock = 2,
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CheatVmOpcodeType_ControlLoop = 3,
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CheatVmOpcodeType_LoadRegisterStatic = 4,
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CheatVmOpcodeType_LoadRegisterMemory = 5,
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CheatVmOpcodeType_StoreStaticToAddress = 6,
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CheatVmOpcodeType_PerformArithmeticStatic = 7,
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CheatVmOpcodeType_BeginKeypressConditionalBlock = 8,
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enum class CheatVmOpcodeType : u32 {
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StoreStatic = 0,
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BeginConditionalBlock = 1,
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EndConditionalBlock = 2,
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ControlLoop = 3,
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LoadRegisterStatic = 4,
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LoadRegisterMemory = 5,
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StoreStaticToAddress = 6,
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PerformArithmeticStatic = 7,
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BeginKeypressConditionalBlock = 8,
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/* These are not implemented by Gateway's VM. */
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CheatVmOpcodeType_PerformArithmeticRegister = 9,
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CheatVmOpcodeType_StoreRegisterToAddress = 10,
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CheatVmOpcodeType_Reserved11 = 11,
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// These are not implemented by Gateway's VM.
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PerformArithmeticRegister = 9,
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StoreRegisterToAddress = 10,
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Reserved11 = 11,
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/* This is a meta entry, and not a real opcode. */
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/* This is to facilitate multi-nybble instruction decoding. */
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CheatVmOpcodeType_ExtendedWidth = 12,
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// This is a meta entry, and not a real opcode.
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// This is to facilitate multi-nybble instruction decoding.
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ExtendedWidth = 12,
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/* Extended width opcodes. */
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CheatVmOpcodeType_BeginRegisterConditionalBlock = 0xC0,
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CheatVmOpcodeType_SaveRestoreRegister = 0xC1,
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CheatVmOpcodeType_SaveRestoreRegisterMask = 0xC2,
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// Extended width opcodes.
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BeginRegisterConditionalBlock = 0xC0,
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SaveRestoreRegister = 0xC1,
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SaveRestoreRegisterMask = 0xC2,
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/* This is a meta entry, and not a real opcode. */
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/* This is to facilitate multi-nybble instruction decoding. */
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CheatVmOpcodeType_DoubleExtendedWidth = 0xF0,
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// This is a meta entry, and not a real opcode.
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// This is to facilitate multi-nybble instruction decoding.
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DoubleExtendedWidth = 0xF0,
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/* Double-extended width opcodes. */
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CheatVmOpcodeType_DebugLog = 0xFFF,
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// Double-extended width opcodes.
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DebugLog = 0xFFF,
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};
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enum MemoryAccessType : u32 {
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MemoryAccessType_MainNso = 0,
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MemoryAccessType_Heap = 1,
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enum class MemoryAccessType : u32 {
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MainNso = 0,
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Heap = 1,
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};
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enum ConditionalComparisonType : u32 {
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ConditionalComparisonType_GT = 1,
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ConditionalComparisonType_GE = 2,
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ConditionalComparisonType_LT = 3,
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ConditionalComparisonType_LE = 4,
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ConditionalComparisonType_EQ = 5,
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ConditionalComparisonType_NE = 6,
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enum class ConditionalComparisonType : u32 {
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GT = 1,
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GE = 2,
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LT = 3,
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LE = 4,
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EQ = 5,
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NE = 6,
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};
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enum RegisterArithmeticType : u32 {
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RegisterArithmeticType_Addition = 0,
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RegisterArithmeticType_Subtraction = 1,
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RegisterArithmeticType_Multiplication = 2,
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RegisterArithmeticType_LeftShift = 3,
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RegisterArithmeticType_RightShift = 4,
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enum class RegisterArithmeticType : u32 {
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Addition = 0,
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Subtraction = 1,
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Multiplication = 2,
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LeftShift = 3,
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RightShift = 4,
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/* These are not supported by Gateway's VM. */
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RegisterArithmeticType_LogicalAnd = 5,
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RegisterArithmeticType_LogicalOr = 6,
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RegisterArithmeticType_LogicalNot = 7,
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RegisterArithmeticType_LogicalXor = 8,
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// These are not supported by Gateway's VM.
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LogicalAnd = 5,
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LogicalOr = 6,
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LogicalNot = 7,
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LogicalXor = 8,
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RegisterArithmeticType_None = 9,
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None = 9,
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};
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enum StoreRegisterOffsetType : u32 {
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StoreRegisterOffsetType_None = 0,
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StoreRegisterOffsetType_Reg = 1,
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StoreRegisterOffsetType_Imm = 2,
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StoreRegisterOffsetType_MemReg = 3,
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StoreRegisterOffsetType_MemImm = 4,
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StoreRegisterOffsetType_MemImmReg = 5,
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enum class StoreRegisterOffsetType : u32 {
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None = 0,
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Reg = 1,
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Imm = 2,
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MemReg = 3,
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MemImm = 4,
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MemImmReg = 5,
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};
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enum CompareRegisterValueType : u32 {
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CompareRegisterValueType_MemoryRelAddr = 0,
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CompareRegisterValueType_MemoryOfsReg = 1,
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CompareRegisterValueType_RegisterRelAddr = 2,
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CompareRegisterValueType_RegisterOfsReg = 3,
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CompareRegisterValueType_StaticValue = 4,
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CompareRegisterValueType_OtherRegister = 5,
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enum class CompareRegisterValueType : u32 {
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MemoryRelAddr = 0,
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MemoryOfsReg = 1,
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RegisterRelAddr = 2,
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RegisterOfsReg = 3,
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StaticValue = 4,
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OtherRegister = 5,
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};
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enum SaveRestoreRegisterOpType : u32 {
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SaveRestoreRegisterOpType_Restore = 0,
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SaveRestoreRegisterOpType_Save = 1,
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SaveRestoreRegisterOpType_ClearSaved = 2,
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SaveRestoreRegisterOpType_ClearRegs = 3,
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enum class SaveRestoreRegisterOpType : u32 {
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Restore = 0,
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Save = 1,
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ClearSaved = 2,
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ClearRegs = 3,
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};
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enum DebugLogValueType : u32 {
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DebugLogValueType_MemoryRelAddr = 0,
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DebugLogValueType_MemoryOfsReg = 1,
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DebugLogValueType_RegisterRelAddr = 2,
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DebugLogValueType_RegisterOfsReg = 3,
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DebugLogValueType_RegisterValue = 4,
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enum class DebugLogValueType : u32 {
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MemoryRelAddr = 0,
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MemoryOfsReg = 1,
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RegisterRelAddr = 2,
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RegisterOfsReg = 3,
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RegisterValue = 4,
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};
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union VmInt {
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@ -247,26 +248,19 @@ struct DebugLogOpcode {
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u64 rel_address;
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};
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struct CheatVmOpcode {
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struct UnrecognizedInstruction {
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CheatVmOpcodeType opcode;
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};
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struct CheatVmOpcode {
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bool begin_conditional_block;
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union {
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StoreStaticOpcode store_static;
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BeginConditionalOpcode begin_cond;
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EndConditionalOpcode end_cond;
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ControlLoopOpcode ctrl_loop;
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LoadRegisterStaticOpcode ldr_static;
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LoadRegisterMemoryOpcode ldr_memory;
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StoreStaticToAddressOpcode str_static;
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PerformArithmeticStaticOpcode perform_math_static;
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BeginKeypressConditionalOpcode begin_keypress_cond;
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PerformArithmeticRegisterOpcode perform_math_reg;
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StoreRegisterToAddressOpcode str_register;
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BeginRegisterConditionalOpcode begin_reg_cond;
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SaveRestoreRegisterOpcode save_restore_reg;
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SaveRestoreRegisterMaskOpcode save_restore_regmask;
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DebugLogOpcode debug_log;
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};
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std::variant<StoreStaticOpcode, BeginConditionalOpcode, EndConditionalOpcode, ControlLoopOpcode,
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LoadRegisterStaticOpcode, LoadRegisterMemoryOpcode, StoreStaticToAddressOpcode,
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PerformArithmeticStaticOpcode, BeginKeypressConditionalOpcode,
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PerformArithmeticRegisterOpcode, StoreRegisterToAddressOpcode,
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BeginRegisterConditionalOpcode, SaveRestoreRegisterOpcode,
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SaveRestoreRegisterMaskOpcode, DebugLogOpcode, UnrecognizedInstruction>
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opcode;
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};
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class DmntCheatVm {
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@ -285,50 +279,43 @@ public:
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virtual void CommandLog(std::string_view data) = 0;
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};
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constexpr static size_t MaximumProgramOpcodeCount = 0x400;
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constexpr static size_t NumRegisters = 0x10;
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static constexpr std::size_t MaximumProgramOpcodeCount = 0x400;
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static constexpr std::size_t NumRegisters = 0x10;
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explicit DmntCheatVm(std::unique_ptr<Callbacks> callbacks);
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~DmntCheatVm();
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std::size_t GetProgramSize() const {
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return this->num_opcodes;
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}
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bool LoadProgram(const std::vector<CheatEntry>& cheats);
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void Execute(const CheatProcessMetadata& metadata);
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private:
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std::unique_ptr<Callbacks> callbacks;
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size_t num_opcodes = 0;
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size_t instruction_ptr = 0;
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size_t condition_depth = 0;
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std::size_t num_opcodes = 0;
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std::size_t instruction_ptr = 0;
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std::size_t condition_depth = 0;
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bool decode_success = false;
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std::array<u32, MaximumProgramOpcodeCount> program{};
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std::array<u64, NumRegisters> registers{};
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std::array<u64, NumRegisters> saved_values{};
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std::array<size_t, NumRegisters> loop_tops{};
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std::array<std::size_t, NumRegisters> loop_tops{};
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private:
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bool DecodeNextOpcode(CheatVmOpcode& out);
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void SkipConditionalBlock();
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void ResetState();
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/* For implementing the DebugLog opcode. */
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// For implementing the DebugLog opcode.
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void DebugLog(u32 log_id, u64 value);
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/* For debugging. These will be IFDEF'd out normally. */
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template <typename... Args>
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void LogToDebugFile(const char* format, const Args&... args) {
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callbacks->CommandLog(fmt::sprintf(format, args...));
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}
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void LogOpcode(const CheatVmOpcode& opcode);
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static u64 GetVmInt(VmInt value, u32 bit_width);
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static u64 GetCheatProcessAddress(const CheatProcessMetadata& metadata,
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MemoryAccessType mem_type, u64 rel_address);
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public:
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DmntCheatVm(std::unique_ptr<Callbacks> callbacks) : callbacks(std::move(callbacks)) {}
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size_t GetProgramSize() {
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return this->num_opcodes;
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}
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bool LoadProgram(const std::vector<CheatEntry>& cheats);
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void Execute(const CheatProcessMetadata& metadata);
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};
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}; // namespace Memory
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