vm_manager: Remove cheat-specific ranges from VMManager

src/core/core.cpp

@@ -450,8 +450,10 @@ Tegra::DebugContext* System::GetGPUDebugContext() const {
 }
 
 void System::RegisterCheatList(const std::vector<FileSys::CheatList>& list,
-                               const std::string& build_id) {
+                               const std::string& build_id, VAddr code_region_start,
-    impl->cheat_engine = std::make_unique<FileSys::CheatEngine>(list, build_id);
+                               VAddr code_region_end) {
+    impl->cheat_engine =
+        std::make_unique<FileSys::CheatEngine>(list, build_id, code_region_start, code_region_end);
 }
 
 void System::SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs) {

src/core/core.h

@@ -254,8 +254,8 @@ public:
 
     std::shared_ptr<FileSys::VfsFilesystem> GetFilesystem() const;
 
-    void RegisterCheatList(const std::vector<FileSys::CheatList>& list,
+    void RegisterCheatList(const std::vector<FileSys::CheatList>& list, const std::string& build_id,
-                           const std::string& build_id);
+                           VAddr code_region_start, VAddr code_region_end);
 
     void SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet);
 

src/core/file_sys/cheat_engine.cpp

@@ -18,7 +18,7 @@
 
 namespace FileSys {
 
-constexpr u64 CHEAT_ENGINE_TICKS = CoreTiming::BASE_CLOCK_RATE / 60;
+constexpr u64 CHEAT_ENGINE_TICKS = Core::Timing::BASE_CLOCK_RATE / 60;
 constexpr u32 KEYPAD_BITMASK = 0x3FFFFFF;
 
 u64 Cheat::Address() const {
@@ -82,7 +82,7 @@ CheatList::CheatList(ProgramSegment master, ProgramSegment standard)
 
 bool CheatList::EvaluateConditional(const Cheat& cheat) const {
     using ComparisonFunction = bool (*)(u64, u64);
-    constexpr ComparisonFunction comparison_functions[] = {
+    constexpr std::array<ComparisonFunction, 6> comparison_functions{
         [](u64 a, u64 b) { return a > b; },  [](u64 a, u64 b) { return a >= b; },
         [](u64 a, u64 b) { return a < b; },  [](u64 a, u64 b) { return a <= b; },
         [](u64 a, u64 b) { return a == b; }, [](u64 a, u64 b) { return a != b; },
@@ -103,7 +103,7 @@ bool CheatList::EvaluateConditional(const Cheat& cheat) const {
         const auto press_state =
             applet_resource
                 ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad)
-                .GetPressState();
+                .GetAndResetPressState();
         return ((press_state & cheat.KeypadValue()) & KEYPAD_BITMASK) != 0;
     }
 
@@ -112,7 +112,7 @@ bool CheatList::EvaluateConditional(const Cheat& cheat) const {
     const auto offset =
         cheat.memory_type == MemoryType::MainNSO ? main_region_begin : heap_region_begin;
     ASSERT(static_cast<u8>(cheat.comparison_op.Value()) < 6);
-    const auto* function = comparison_functions[static_cast<u8>(cheat.comparison_op.Value())];
+    auto* function = comparison_functions[static_cast<u8>(cheat.comparison_op.Value())];
     const auto addr = cheat.Address() + offset;
 
     return function(reader(cheat.width, SanitizeAddress(addr)), cheat.ValueWidth(8));
@@ -157,7 +157,7 @@ void CheatList::ProcessBlockPairs(const Block& block) {
 void CheatList::WriteImmediate(const Cheat& cheat) {
     const auto offset =
         cheat.memory_type == MemoryType::MainNSO ? main_region_begin : heap_region_begin;
-    auto& register_3 = scratch.at(cheat.register_3);
+    const auto& register_3 = scratch.at(cheat.register_3);
 
     const auto addr = cheat.Address() + offset + register_3;
     LOG_DEBUG(Common_Filesystem, "writing value={:016X} to addr={:016X}", addr,
@@ -166,11 +166,13 @@ void CheatList::WriteImmediate(const Cheat& cheat) {
 }
 
 void CheatList::BeginConditional(const Cheat& cheat) {
-    if (!EvaluateConditional(cheat)) {
+    if (EvaluateConditional(cheat)) {
+        return;
+    }
+
     const auto iter = block_pairs.find(current_index);
     ASSERT(iter != block_pairs.end());
     current_index = iter->second - 1;
-    }
 }
 
 void CheatList::EndConditional(const Cheat& cheat) {
@@ -218,7 +220,7 @@ void CheatList::LoadIndexed(const Cheat& cheat) {
 }
 
 void CheatList::StoreIndexed(const Cheat& cheat) {
-    auto& register_3 = scratch.at(cheat.register_3);
+    const auto& register_3 = scratch.at(cheat.register_3);
 
     const auto addr =
         register_3 + (cheat.add_additional_register.Value() ? scratch.at(cheat.register_6) : 0);
@@ -229,14 +231,14 @@ void CheatList::StoreIndexed(const Cheat& cheat) {
 
 void CheatList::RegisterArithmetic(const Cheat& cheat) {
     using ArithmeticFunction = u64 (*)(u64, u64);
-    constexpr ArithmeticFunction arithmetic_functions[] = {
+    constexpr std::array<ArithmeticFunction, 5> arithmetic_functions{
         [](u64 a, u64 b) { return a + b; },  [](u64 a, u64 b) { return a - b; },
         [](u64 a, u64 b) { return a * b; },  [](u64 a, u64 b) { return a << b; },
         [](u64 a, u64 b) { return a >> b; },
     };
 
     using ArithmeticOverflowCheck = bool (*)(u64, u64);
-    constexpr ArithmeticOverflowCheck arithmetic_overflow_checks[] = {
+    constexpr std::array<ArithmeticOverflowCheck, 5> arithmetic_overflow_checks{
         [](u64 a, u64 b) { return a > (std::numeric_limits<u64>::max() - b); },       // a + b
         [](u64 a, u64 b) { return a > (std::numeric_limits<u64>::max() + b); },       // a - b
         [](u64 a, u64 b) { return a > (std::numeric_limits<u64>::max() / b); },       // a * b
@@ -250,8 +252,8 @@ void CheatList::RegisterArithmetic(const Cheat& cheat) {
     auto& register_3 = scratch.at(cheat.register_3);
 
     ASSERT(static_cast<u8>(cheat.arithmetic_op.Value()) < 5);
-    const auto* function = arithmetic_functions[static_cast<u8>(cheat.arithmetic_op.Value())];
+    auto* function = arithmetic_functions[static_cast<u8>(cheat.arithmetic_op.Value())];
-    const auto* overflow_function =
+    auto* overflow_function =
         arithmetic_overflow_checks[static_cast<u8>(cheat.arithmetic_op.Value())];
     LOG_DEBUG(Common_Filesystem, "performing arithmetic with register={:01X}, value={:016X}",
               cheat.register_3, cheat.ValueWidth(4));
@@ -267,11 +269,12 @@ void CheatList::RegisterArithmetic(const Cheat& cheat) {
 }
 
 void CheatList::BeginConditionalInput(const Cheat& cheat) {
-    if (!EvaluateConditional(cheat)) {
+    if (EvaluateConditional(cheat))
+        return;
+
     const auto iter = block_pairs.find(current_index);
     ASSERT(iter != block_pairs.end());
     current_index = iter->second - 1;
-    }
 }
 
 VAddr CheatList::SanitizeAddress(VAddr in) const {
@@ -290,7 +293,7 @@ VAddr CheatList::SanitizeAddress(VAddr in) const {
 
 void CheatList::ExecuteSingleCheat(const Cheat& cheat) {
     using CheatOperationFunction = void (CheatList::*)(const Cheat&);
-    constexpr CheatOperationFunction cheat_operation_functions[] = {
+    constexpr std::array<CheatOperationFunction, 9> cheat_operation_functions{
         &CheatList::WriteImmediate,        &CheatList::BeginConditional,
         &CheatList::EndConditional,        &CheatList::Loop,
         &CheatList::LoadImmediate,         &CheatList::LoadIndexed,
@@ -346,7 +349,7 @@ CheatList TextCheatParser::Parse(const std::vector<u8>& data) const {
         if (!line.empty() && (line[0] == '[' || line[0] == '{')) {
             const auto master = line[0] == '{';
             const auto begin = master ? line.find('{') : line.find('[');
-            const auto end = master ? line.find_last_of('}') : line.find_last_of(']');
+            const auto end = master ? line.rfind('}') : line.rfind(']');
 
             ASSERT(begin != std::string::npos && end != std::string::npos);
 
@@ -422,7 +425,7 @@ std::array<u8, 16> TextCheatParser::ParseSingleLineCheat(const std::string& line
     return out;
 }
 
-u64 MemoryReadImpl(u8 width, VAddr addr) {
+u64 MemoryReadImpl(u32 width, VAddr addr) {
     switch (width) {
     case 1:
         return Memory::Read8(addr);
@@ -438,7 +441,7 @@ u64 MemoryReadImpl(u8 width, VAddr addr) {
     }
 }
 
-void MemoryWriteImpl(u8 width, VAddr addr, u64 value) {
+void MemoryWriteImpl(u32 width, VAddr addr, u64 value) {
     switch (width) {
     case 1:
         Memory::Write8(addr, static_cast<u8>(value));
@@ -457,31 +460,34 @@ void MemoryWriteImpl(u8 width, VAddr addr, u64 value) {
     }
 }
 
-CheatEngine::CheatEngine(std::vector<CheatList> cheats, const std::string& build_id)
+CheatEngine::CheatEngine(std::vector<CheatList> cheats, const std::string& build_id,
+                         VAddr code_region_start, VAddr code_region_end)
     : cheats(std::move(cheats)) {
-    event = CoreTiming::RegisterEvent(
+    auto& core_timing{Core::System::GetInstance().CoreTiming()};
+    event = core_timing.RegisterEvent(
         "CheatEngine::FrameCallback::" + build_id,
         [this](u64 userdata, s64 cycles_late) { FrameCallback(userdata, cycles_late); });
-    CoreTiming::ScheduleEvent(CHEAT_ENGINE_TICKS, event);
+    core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS, event);
 
     const auto& vm_manager = Core::System::GetInstance().CurrentProcess()->VMManager();
     for (auto& list : this->cheats) {
-        list.SetMemoryParameters(
+        list.SetMemoryParameters(code_region_start, vm_manager.GetHeapRegionBaseAddress(),
-            vm_manager.GetMainCodeRegionBaseAddress(), vm_manager.GetHeapRegionBaseAddress(),
+                                 code_region_end, vm_manager.GetHeapRegionEndAddress(),
-            vm_manager.GetMainCodeRegionEndAddress(), vm_manager.GetHeapRegionEndAddress(),
                                  &MemoryWriteImpl, &MemoryReadImpl);
     }
 }
 
 CheatEngine::~CheatEngine() {
-    CoreTiming::UnscheduleEvent(event, 0);
+    auto& core_timing{Core::System::GetInstance().CoreTiming()};
+    core_timing.UnscheduleEvent(event, 0);
 }
 
 void CheatEngine::FrameCallback(u64 userdata, int cycles_late) {
     for (auto& list : cheats)
         list.Execute();
 
-    CoreTiming::ScheduleEvent(CHEAT_ENGINE_TICKS - cycles_late, event);
+    auto& core_timing{Core::System::GetInstance().CoreTiming()};
+    core_timing.ScheduleEvent(CHEAT_ENGINE_TICKS - cycles_late, event);
 }
 
 } // namespace FileSys

src/core/file_sys/cheat_engine.h

@@ -11,7 +11,7 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 
-namespace CoreTiming {
+namespace Core::Timing {
 struct EventType;
 }
 
@@ -123,9 +123,9 @@ public:
     using ProgramSegment = std::vector<std::pair<std::string, Block>>;
 
     // (width in bytes, address, value)
-    using MemoryWriter = void (*)(u8, VAddr, u64);
+    using MemoryWriter = void (*)(u32, VAddr, u64);
     // (width in bytes, address) -> value
-    using MemoryReader = u64 (*)(u8, VAddr);
+    using MemoryReader = u64 (*)(u32, VAddr);
 
     void SetMemoryParameters(VAddr main_begin, VAddr heap_begin, VAddr main_end, VAddr heap_end,
                              MemoryWriter writer, MemoryReader reader);
@@ -212,13 +212,14 @@ private:
 // Class that encapsulates a CheatList and manages its interaction with memory and CoreTiming
 class CheatEngine final {
 public:
-    CheatEngine(std::vector<CheatList> cheats, const std::string& build_id);
+    CheatEngine(std::vector<CheatList> cheats, const std::string& build_id, VAddr code_region_start,
+                VAddr code_region_end);
     ~CheatEngine();
 
 private:
     void FrameCallback(u64 userdata, int cycles_late);
 
-    CoreTiming::EventType* event;
+    Core::Timing::EventType* event;
 
     std::vector<CheatList> cheats;
 };

src/core/hle/kernel/vm_manager.cpp

@@ -786,23 +786,6 @@ u64 VMManager::GetNewMapRegionSize() const {
     return new_map_region_end - new_map_region_base;
 }
 
-void VMManager::SetMainCodeRegion(VAddr begin, VAddr end) {
-    main_code_region_base = begin;
-    main_code_region_end = end;
-}
-
-VAddr VMManager::GetMainCodeRegionBaseAddress() const {
-    return main_code_region_base;
-}
-
-VAddr VMManager::GetMainCodeRegionEndAddress() const {
-    return main_code_region_end;
-}
-
-u64 VMManager::GetMainCodeRegionSize() const {
-    return main_code_region_end - main_code_region_base;
-}
-
 VAddr VMManager::GetTLSIORegionBaseAddress() const {
     return tls_io_region_base;
 }

src/core/hle/kernel/vm_manager.h

@@ -480,14 +480,6 @@ public:
     /// Gets the total size of the new map region in bytes.
     u64 GetNewMapRegionSize() const;
 
-    void SetMainCodeRegion(VAddr begin, VAddr end);
-
-    VAddr GetMainCodeRegionBaseAddress() const;
-
-    VAddr GetMainCodeRegionEndAddress() const;
-
-    u64 GetMainCodeRegionSize() const;
-
     /// Gets the base address of the TLS IO region.
     VAddr GetTLSIORegionBaseAddress() const;
 

src/core/hle/service/hid/hid.h

@@ -3,6 +3,8 @@
 // Refer to the license.txt file included.
 
 #pragma once
+
+#include "core/hle/service/hid/controllers/controller_base.h"
 #include "core/hle/service/service.h"
 
 #include "controllers/controller_base.h"

src/core/loader/deconstructed_rom_directory.cpp

@@ -147,10 +147,8 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
 
         const VAddr load_addr = next_load_addr;
         const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
-        const bool should_register_data_segment = std::strcmp(module, "main") == 0;
         const auto tentative_next_load_addr =
-            AppLoader_NSO::LoadModule(process, *module_file, load_addr, should_pass_arguments,
+            AppLoader_NSO::LoadModule(process, *module_file, load_addr, should_pass_arguments, pm);
-                                      should_register_data_segment, pm);
         if (!tentative_next_load_addr) {
             return ResultStatus::ErrorLoadingNSO;
         }

src/core/loader/nso.cpp

@@ -97,7 +97,6 @@ static constexpr u32 PageAlignSize(u32 size) {
 std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
                                                const FileSys::VfsFile& file, VAddr load_base,
                                                bool should_pass_arguments,
-                                               bool should_register_data_region,
                                                std::optional<FileSys::PatchManager> pm) {
     if (file.GetSize() < sizeof(NsoHeader))
         return {};
@@ -156,10 +155,6 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
     const u32 image_size{PageAlignSize(static_cast<u32>(program_image.size()) + bss_size)};
     program_image.resize(image_size);
 
-    if (should_register_data_region) {
-        process.VMManager().SetMainCodeRegion(load_base, load_base + program_image.size());
-    }
-
     // Apply patches if necessary
     if (pm && (pm->HasNSOPatch(nso_header.build_id) || Settings::values.dump_nso)) {
         std::vector<u8> pi_header(program_image.size() + 0x100);
@@ -176,7 +171,8 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
         const auto cheats = pm->CreateCheatList(nso_header.build_id);
         if (!cheats.empty()) {
             Core::System::GetInstance().RegisterCheatList(
-                cheats, Common::HexArrayToString(nso_header.build_id));
+                cheats, Common::HexArrayToString(nso_header.build_id), load_base,
+                load_base + program_image.size());
         }
     }
 
@@ -197,7 +193,7 @@ ResultStatus AppLoader_NSO::Load(Kernel::Process& process) {
 
     // Load module
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
-    if (!LoadModule(process, *file, base_address, true, true)) {
+    if (!LoadModule(process, *file, base_address, true)) {
         return ResultStatus::ErrorLoadingNSO;
     }
     LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", file->GetName(), base_address);

src/core/loader/nso.h

@@ -43,7 +43,6 @@ public:
 
     static std::optional<VAddr> LoadModule(Kernel::Process& process, const FileSys::VfsFile& file,
                                            VAddr load_base, bool should_pass_arguments,
-                                           bool should_register_data_segment,
                                            std::optional<FileSys::PatchManager> pm = {});
 
     ResultStatus Load(Kernel::Process& process) override;