vk_compute_pass: Use VK_ACCESS_NONE

This enumeration was introduced in Vulkan 1.3, prefer using this instead of defaulting the enum.

Also resolves a narrowing conversion warning on MSVC.

CMakeLists.txt

@@ -222,6 +222,11 @@ else()
     list(APPEND CONAN_REQUIRED_LIBS "boost/1.79.0")
 endif()
 
+# boost:asio has functions that require AcceptEx et al
+if (MINGW)
+    find_library(MSWSOCK_LIBRARY mswsock REQUIRED)
+endif()
+
 # Attempt to locate any packages that are required and report the missing ones in CONAN_REQUIRED_LIBS
 yuzu_find_packages()
 

dist/qt_themes/default/style.qss

@@ -58,6 +58,19 @@ QPushButton#GPUStatusBarButton:!checked {
     color: #109010;
 }
 
+QPushButton#DockingStatusBarButton {
+    min-width: 0px;
+    color: #000000;
+    border: 1px solid transparent;
+    background-color: transparent;
+    padding: 0px 3px 0px 3px;
+    text-align: center;
+}
+
+QPushButton#DockingStatusBarButton:hover {
+    border: 1px solid #76797C;
+}
+
 QPushButton#buttonRefreshDevices {
     min-width: 21px;
     min-height: 21px;

dist/qt_themes/qdarkstyle/style.qss

@@ -1304,6 +1304,19 @@ QPushButton#GPUStatusBarButton:!checked {
     color: #40dd40;
 }
 
+QPushButton#DockingStatusBarButton {
+    min-width: 0px;
+    color: #ffffff;
+    border: 1px solid transparent;
+    background-color: transparent;
+    padding: 0px 3px 0px 3px;
+    text-align: center;
+}
+
+QPushButton#DockingStatusBarButton:hover {
+    border: 1px solid #76797C;
+}
+
 QPushButton#buttonRefreshDevices {
     min-width: 23px;
     min-height: 23px;

dist/qt_themes/qdarkstyle_midnight_blue/style.qss

@@ -2207,6 +2207,19 @@ QPushButton#GPUStatusBarButton:!checked {
   color: #40dd40;
 }
 
+QPushButton#DockingStatusBarButton {
+    min-width: 0px;
+    color: #ffffff;
+    border: 1px solid transparent;
+    background-color: transparent;
+    padding: 0px 3px 0px 3px;
+    text-align: center;
+}
+
+QPushButton#DockingStatusBarButton:hover {
+    border: 1px solid #76797C;
+}
+
 QPushButton#buttonRefreshDevices {
   min-width: 19px;
   min-height: 19px;

externals/CMakeLists.txt

@@ -40,6 +40,11 @@ target_include_directories(mbedtls PUBLIC ./mbedtls/include)
 add_library(microprofile INTERFACE)
 target_include_directories(microprofile INTERFACE ./microprofile)
 
+# GCC bugs
+if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "12" AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND MINGW)
+    target_compile_options(microprofile INTERFACE "-Wno-array-bounds")
+endif()
+
 # libusb
 if (NOT LIBUSB_FOUND OR YUZU_USE_BUNDLED_LIBUSB)
     add_subdirectory(libusb)

src/audio_core/command_generator.cpp

@@ -429,7 +429,7 @@ void CommandGenerator::GenerateDataSourceCommand(ServerVoiceInfo& voice_info, Vo
                                   in_params.node_id);
             break;
         default:
-            UNREACHABLE_MSG("Unimplemented sample format={}", in_params.sample_format);
+            ASSERT_MSG(false, "Unimplemented sample format={}", in_params.sample_format);
         }
     }
 }
@@ -1312,7 +1312,7 @@ void CommandGenerator::DecodeFromWaveBuffers(ServerVoiceInfo& voice_info, std::s
                                 samples_to_read - samples_read, channel, temp_mix_offset);
                 break;
             default:
-                UNREACHABLE_MSG("Unimplemented sample format={}", in_params.sample_format);
+                ASSERT_MSG(false, "Unimplemented sample format={}", in_params.sample_format);
             }
 
             temp_mix_offset += samples_decoded;

src/audio_core/effect_context.cpp

@@ -50,7 +50,7 @@ EffectBase* EffectContext::RetargetEffect(std::size_t i, EffectType effect) {
         effects[i] = std::make_unique<EffectBiquadFilter>();
         break;
     default:
-        UNREACHABLE_MSG("Unimplemented effect {}", effect);
+        ASSERT_MSG(false, "Unimplemented effect {}", effect);
         effects[i] = std::make_unique<EffectStubbed>();
     }
     return GetInfo(i);
@@ -104,7 +104,7 @@ void EffectI3dl2Reverb::Update(EffectInfo::InParams& in_params) {
     auto& params = GetParams();
     const auto* reverb_params = reinterpret_cast<I3dl2ReverbParams*>(in_params.raw.data());
     if (!ValidChannelCountForEffect(reverb_params->max_channels)) {
-        UNREACHABLE_MSG("Invalid reverb max channel count {}", reverb_params->max_channels);
+        ASSERT_MSG(false, "Invalid reverb max channel count {}", reverb_params->max_channels);
         return;
     }
 

src/audio_core/splitter_context.cpp

@@ -483,7 +483,7 @@ bool NodeStates::DepthFirstSearch(EdgeMatrix& edge_matrix) {
                     // Add more work
                     index_stack.push(j);
                 } else if (node_state == NodeStates::State::InFound) {
-                    UNREACHABLE_MSG("Node start marked as found");
+                    ASSERT_MSG(false, "Node start marked as found");
                     ResetState();
                     return false;
                 }

src/audio_core/voice_context.cpp

@@ -114,7 +114,7 @@ void ServerVoiceInfo::UpdateParameters(const VoiceInfo::InParams& voice_in,
         in_params.current_playstate = ServerPlayState::Play;
         break;
     default:
-        UNREACHABLE_MSG("Unknown playstate {}", voice_in.play_state);
+        ASSERT_MSG(false, "Unknown playstate {}", voice_in.play_state);
         break;
     }
 
@@ -410,7 +410,7 @@ bool ServerVoiceInfo::UpdateParametersForCommandGeneration(
         return in_params.should_depop;
     }
     default:
-        UNREACHABLE_MSG("Invalid playstate {}", in_params.current_playstate);
+        ASSERT_MSG(false, "Invalid playstate {}", in_params.current_playstate);
     }
 
     return false;

src/common/CMakeLists.txt

@@ -58,6 +58,7 @@ add_library(common STATIC
     div_ceil.h
     dynamic_library.cpp
     dynamic_library.h
+    elf.h
     error.cpp
     error.h
     expected.h

src/common/assert.cpp

@@ -6,8 +6,13 @@
 
 #include "common/settings.h"
 
-void assert_handle_failure() {
+void assert_fail_impl() {
     if (Settings::values.use_debug_asserts) {
         Crash();
     }
 }
+
+[[noreturn]] void unreachable_impl() {
+    Crash();
+    throw std::runtime_error("Unreachable code");
+}

src/common/assert.h

@@ -9,44 +9,43 @@
 // Sometimes we want to try to continue even after hitting an assert.
 // However touching this file yields a global recompilation as this header is included almost
 // everywhere. So let's just move the handling of the failed assert to a single cpp file.
-void assert_handle_failure();
 
-// For asserts we'd like to keep all the junk executed when an assert happens away from the
-// important code in the function. One way of doing this is to put all the relevant code inside a
-// lambda and force the compiler to not inline it. Unfortunately, MSVC seems to have no syntax to
-// specify __declspec on lambda functions, so what we do instead is define a noinline wrapper
-// template that calls the lambda. This seems to generate an extra instruction at the call-site
-// compared to the ideal implementation (which wouldn't support ASSERT_MSG parameters), but is good
-// enough for our purposes.
-template <typename Fn>
-#if defined(_MSC_VER)
-[[msvc::noinline]]
-#elif defined(__GNUC__)
-[[gnu::cold, gnu::noinline]]
+void assert_fail_impl();
+[[noreturn]] void unreachable_impl();
+
+#ifdef _MSC_VER
+#define YUZU_NO_INLINE __declspec(noinline)
+#else
+#define YUZU_NO_INLINE __attribute__((noinline))
 #endif
-static void
-assert_noinline_call(const Fn& fn) {
-    fn();
-    assert_handle_failure();
-}
 
 #define ASSERT(_a_)                                                                                \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([] { LOG_CRITICAL(Debug, "Assertion Failed!"); });                \
+    ([&]() YUZU_NO_INLINE {                                                                        \
+        if (!(_a_)) [[unlikely]] {                                                                 \
+            LOG_CRITICAL(Debug, "Assertion Failed!");                                              \
+            assert_fail_impl();                                                                    \
         }                                                                                          \
-    while (0)
+    }())
 
 #define ASSERT_MSG(_a_, ...)                                                                       \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([&] { LOG_CRITICAL(Debug, "Assertion Failed!\n" __VA_ARGS__); }); \
+    ([&]() YUZU_NO_INLINE {                                                                        \
+        if (!(_a_)) [[unlikely]] {                                                                 \
+            LOG_CRITICAL(Debug, "Assertion Failed!\n" __VA_ARGS__);                                \
+            assert_fail_impl();                                                                    \
         }                                                                                          \
-    while (0)
+    }())
+
+#define UNREACHABLE()                                                                              \
+    do {                                                                                           \
+        LOG_CRITICAL(Debug, "Unreachable code!");                                                  \
+        unreachable_impl();                                                                        \
+    } while (0)
 
-#define UNREACHABLE() assert_noinline_call([] { LOG_CRITICAL(Debug, "Unreachable code!"); })
 #define UNREACHABLE_MSG(...)                                                                       \
-    assert_noinline_call([&] { LOG_CRITICAL(Debug, "Unreachable code!\n" __VA_ARGS__); })
+    do {                                                                                           \
+        LOG_CRITICAL(Debug, "Unreachable code!\n" __VA_ARGS__);                                    \
+        unreachable_impl();                                                                        \
+    } while (0)
 
 #ifdef _DEBUG
 #define DEBUG_ASSERT(_a_) ASSERT(_a_)

src/common/bounded_threadsafe_queue.h

@@ -0,0 +1,180 @@
+// SPDX-FileCopyrightText: Copyright (c) 2020 Erik Rigtorp <erik@rigtorp.se>
+// SPDX-License-Identifier: MIT
+#pragma once
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4324)
+#endif
+
+#include <atomic>
+#include <bit>
+#include <condition_variable>
+#include <memory>
+#include <mutex>
+#include <new>
+#include <stdexcept>
+#include <stop_token>
+#include <type_traits>
+#include <utility>
+
+namespace Common {
+namespace mpsc {
+#if defined(__cpp_lib_hardware_interference_size)
+constexpr size_t hardware_interference_size = std::hardware_destructive_interference_size;
+#else
+constexpr size_t hardware_interference_size = 64;
+#endif
+
+template <typename T>
+using AlignedAllocator = std::allocator<T>;
+
+template <typename T>
+struct Slot {
+    ~Slot() noexcept {
+        if (turn.test()) {
+            destroy();
+        }
+    }
+
+    template <typename... Args>
+    void construct(Args&&... args) noexcept {
+        static_assert(std::is_nothrow_constructible_v<T, Args&&...>,
+                      "T must be nothrow constructible with Args&&...");
+        std::construct_at(reinterpret_cast<T*>(&storage), std::forward<Args>(args)...);
+    }
+
+    void destroy() noexcept {
+        static_assert(std::is_nothrow_destructible_v<T>, "T must be nothrow destructible");
+        std::destroy_at(reinterpret_cast<T*>(&storage));
+    }
+
+    T&& move() noexcept {
+        return reinterpret_cast<T&&>(storage);
+    }
+
+    // Align to avoid false sharing between adjacent slots
+    alignas(hardware_interference_size) std::atomic_flag turn{};
+    struct aligned_store {
+        struct type {
+            alignas(T) unsigned char data[sizeof(T)];
+        };
+    };
+    typename aligned_store::type storage;
+};
+
+template <typename T, typename Allocator = AlignedAllocator<Slot<T>>>
+class Queue {
+public:
+    explicit Queue(const size_t capacity, const Allocator& allocator = Allocator())
+        : allocator_(allocator) {
+        if (capacity < 1) {
+            throw std::invalid_argument("capacity < 1");
+        }
+        // Ensure that the queue length is an integer power of 2
+        // This is so that idx(i) can be a simple i & mask_ insted of i % capacity
+        // https://github.com/rigtorp/MPMCQueue/pull/36
+        if (!std::has_single_bit(capacity)) {
+            throw std::invalid_argument("capacity must be an integer power of 2");
+        }
+
+        mask_ = capacity - 1;
+
+        // Allocate one extra slot to prevent false sharing on the last slot
+        slots_ = allocator_.allocate(mask_ + 2);
+        // Allocators are not required to honor alignment for over-aligned types
+        // (see http://eel.is/c++draft/allocator.requirements#10) so we verify
+        // alignment here
+        if (reinterpret_cast<uintptr_t>(slots_) % alignof(Slot<T>) != 0) {
+            allocator_.deallocate(slots_, mask_ + 2);
+            throw std::bad_alloc();
+        }
+        for (size_t i = 0; i < mask_ + 1; ++i) {
+            std::construct_at(&slots_[i]);
+        }
+        static_assert(alignof(Slot<T>) == hardware_interference_size,
+                      "Slot must be aligned to cache line boundary to prevent false sharing");
+        static_assert(sizeof(Slot<T>) % hardware_interference_size == 0,
+                      "Slot size must be a multiple of cache line size to prevent "
+                      "false sharing between adjacent slots");
+        static_assert(sizeof(Queue) % hardware_interference_size == 0,
+                      "Queue size must be a multiple of cache line size to "
+                      "prevent false sharing between adjacent queues");
+    }
+
+    ~Queue() noexcept {
+        for (size_t i = 0; i < mask_ + 1; ++i) {
+            slots_[i].~Slot();
+        }
+        allocator_.deallocate(slots_, mask_ + 2);
+    }
+
+    // non-copyable and non-movable
+    Queue(const Queue&) = delete;
+    Queue& operator=(const Queue&) = delete;
+
+    void Push(const T& v) noexcept {
+        static_assert(std::is_nothrow_copy_constructible_v<T>,
+                      "T must be nothrow copy constructible");
+        emplace(v);
+    }
+
+    template <typename P, typename = std::enable_if_t<std::is_nothrow_constructible_v<T, P&&>>>
+    void Push(P&& v) noexcept {
+        emplace(std::forward<P>(v));
+    }
+
+    void Pop(T& v, std::stop_token stop) noexcept {
+        auto const tail = tail_.fetch_add(1);
+        auto& slot = slots_[idx(tail)];
+        if (false == slot.turn.test()) {
+            std::unique_lock lock{cv_mutex};
+            cv.wait(lock, stop, [&slot] { return slot.turn.test(); });
+        }
+        v = slot.move();
+        slot.destroy();
+        slot.turn.clear();
+        slot.turn.notify_one();
+    }
+
+private:
+    template <typename... Args>
+    void emplace(Args&&... args) noexcept {
+        static_assert(std::is_nothrow_constructible_v<T, Args&&...>,
+                      "T must be nothrow constructible with Args&&...");
+        auto const head = head_.fetch_add(1);
+        auto& slot = slots_[idx(head)];
+        slot.turn.wait(true);
+        slot.construct(std::forward<Args>(args)...);
+        slot.turn.test_and_set();
+        cv.notify_one();
+    }
+
+    constexpr size_t idx(size_t i) const noexcept {
+        return i & mask_;
+    }
+
+    std::conditional_t<true, std::condition_variable_any, std::condition_variable> cv;
+    std::mutex cv_mutex;
+    size_t mask_;
+    Slot<T>* slots_;
+    [[no_unique_address]] Allocator allocator_;
+
+    // Align to avoid false sharing between head_ and tail_
+    alignas(hardware_interference_size) std::atomic<size_t> head_{0};
+    alignas(hardware_interference_size) std::atomic<size_t> tail_{0};
+
+    static_assert(std::is_nothrow_copy_assignable_v<T> || std::is_nothrow_move_assignable_v<T>,
+                  "T must be nothrow copy or move assignable");
+
+    static_assert(std::is_nothrow_destructible_v<T>, "T must be nothrow destructible");
+};
+} // namespace mpsc
+
+template <typename T, typename Allocator = mpsc::AlignedAllocator<mpsc::Slot<T>>>
+using MPSCQueue = mpsc::Queue<T, Allocator>;
+
+} // namespace Common
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif

src/common/elf.h

@@ -0,0 +1,333 @@
+// SPDX-FileCopyrightText: 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <cstddef>
+
+#include "common_types.h"
+
+namespace Common {
+namespace ELF {
+
+/* Type for a 16-bit quantity.  */
+using Elf32_Half = u16;
+using Elf64_Half = u16;
+
+/* Types for signed and unsigned 32-bit quantities.  */
+using Elf32_Word = u32;
+using Elf32_Sword = s32;
+using Elf64_Word = u32;
+using Elf64_Sword = s32;
+
+/* Types for signed and unsigned 64-bit quantities.  */
+using Elf32_Xword = u64;
+using Elf32_Sxword = s64;
+using Elf64_Xword = u64;
+using Elf64_Sxword = s64;
+
+/* Type of addresses.  */
+using Elf32_Addr = u32;
+using Elf64_Addr = u64;
+
+/* Type of file offsets.  */
+using Elf32_Off = u32;
+using Elf64_Off = u64;
+
+/* Type for section indices, which are 16-bit quantities.  */
+using Elf32_Section = u16;
+using Elf64_Section = u16;
+
+/* Type for version symbol information.  */
+using Elf32_Versym = Elf32_Half;
+using Elf64_Versym = Elf64_Half;
+
+constexpr size_t ElfIdentSize = 16;
+
+/* The ELF file header.  This appears at the start of every ELF file.  */
+
+struct Elf32_Ehdr {
+    std::array<u8, ElfIdentSize> e_ident; /* Magic number and other info */
+    Elf32_Half e_type;                    /* Object file type */
+    Elf32_Half e_machine;                 /* Architecture */
+    Elf32_Word e_version;                 /* Object file version */
+    Elf32_Addr e_entry;                   /* Entry point virtual address */
+    Elf32_Off e_phoff;                    /* Program header table file offset */
+    Elf32_Off e_shoff;                    /* Section header table file offset */
+    Elf32_Word e_flags;                   /* Processor-specific flags */
+    Elf32_Half e_ehsize;                  /* ELF header size in bytes */
+    Elf32_Half e_phentsize;               /* Program header table entry size */
+    Elf32_Half e_phnum;                   /* Program header table entry count */
+    Elf32_Half e_shentsize;               /* Section header table entry size */
+    Elf32_Half e_shnum;                   /* Section header table entry count */
+    Elf32_Half e_shstrndx;                /* Section header string table index */
+};
+
+struct Elf64_Ehdr {
+    std::array<u8, ElfIdentSize> e_ident; /* Magic number and other info */
+    Elf64_Half e_type;                    /* Object file type */
+    Elf64_Half e_machine;                 /* Architecture */
+    Elf64_Word e_version;                 /* Object file version */
+    Elf64_Addr e_entry;                   /* Entry point virtual address */
+    Elf64_Off e_phoff;                    /* Program header table file offset */
+    Elf64_Off e_shoff;                    /* Section header table file offset */
+    Elf64_Word e_flags;                   /* Processor-specific flags */
+    Elf64_Half e_ehsize;                  /* ELF header size in bytes */
+    Elf64_Half e_phentsize;               /* Program header table entry size */
+    Elf64_Half e_phnum;                   /* Program header table entry count */
+    Elf64_Half e_shentsize;               /* Section header table entry size */
+    Elf64_Half e_shnum;                   /* Section header table entry count */
+    Elf64_Half e_shstrndx;                /* Section header string table index */
+};
+
+constexpr u8 ElfClass32 = 1;        /* 32-bit objects */
+constexpr u8 ElfClass64 = 2;        /* 64-bit objects */
+constexpr u8 ElfData2Lsb = 1;       /* 2's complement, little endian */
+constexpr u8 ElfVersionCurrent = 1; /* EV_CURRENT */
+constexpr u8 ElfOsAbiNone = 0;      /* System V ABI */
+
+constexpr u16 ElfTypeNone = 0; /* No file type */
+constexpr u16 ElfTypeRel = 0;  /* Relocatable file */
+constexpr u16 ElfTypeExec = 0; /* Executable file */
+constexpr u16 ElfTypeDyn = 0;  /* Shared object file */
+
+constexpr u16 ElfMachineArm = 40;      /* ARM */
+constexpr u16 ElfMachineAArch64 = 183; /* ARM AARCH64 */
+
+constexpr std::array<u8, ElfIdentSize> Elf32Ident{
+    0x7f, 'E', 'L', 'F', ElfClass32, ElfData2Lsb, ElfVersionCurrent, ElfOsAbiNone};
+
+constexpr std::array<u8, ElfIdentSize> Elf64Ident{
+    0x7f, 'E', 'L', 'F', ElfClass64, ElfData2Lsb, ElfVersionCurrent, ElfOsAbiNone};
+
+/* Section header.  */
+
+struct Elf32_Shdr {
+    Elf32_Word sh_name;      /* Section name (string tbl index) */
+    Elf32_Word sh_type;      /* Section type */
+    Elf32_Word sh_flags;     /* Section flags */
+    Elf32_Addr sh_addr;      /* Section virtual addr at execution */
+    Elf32_Off sh_offset;     /* Section file offset */
+    Elf32_Word sh_size;      /* Section size in bytes */
+    Elf32_Word sh_link;      /* Link to another section */
+    Elf32_Word sh_info;      /* Additional section information */
+    Elf32_Word sh_addralign; /* Section alignment */
+    Elf32_Word sh_entsize;   /* Entry size if section holds table */
+};
+
+struct Elf64_Shdr {
+    Elf64_Word sh_name;       /* Section name (string tbl index) */
+    Elf64_Word sh_type;       /* Section type */
+    Elf64_Xword sh_flags;     /* Section flags */
+    Elf64_Addr sh_addr;       /* Section virtual addr at execution */
+    Elf64_Off sh_offset;      /* Section file offset */
+    Elf64_Xword sh_size;      /* Section size in bytes */
+    Elf64_Word sh_link;       /* Link to another section */
+    Elf64_Word sh_info;       /* Additional section information */
+    Elf64_Xword sh_addralign; /* Section alignment */
+    Elf64_Xword sh_entsize;   /* Entry size if section holds table */
+};
+
+constexpr u32 ElfShnUndef = 0; /* Undefined section */
+
+constexpr u32 ElfShtNull = 0;     /* Section header table entry unused */
+constexpr u32 ElfShtProgBits = 1; /* Program data */
+constexpr u32 ElfShtSymtab = 2;   /* Symbol table */
+constexpr u32 ElfShtStrtab = 3;   /* String table */
+constexpr u32 ElfShtRela = 4;     /* Relocation entries with addends */
+constexpr u32 ElfShtDynamic = 6;  /* Dynamic linking information */
+constexpr u32 ElfShtNobits = 7;   /* Program space with no data (bss) */
+constexpr u32 ElfShtRel = 9;      /* Relocation entries, no addends */
+constexpr u32 ElfShtDynsym = 11;  /* Dynamic linker symbol table */
+
+/* Symbol table entry.  */
+
+struct Elf32_Sym {
+    Elf32_Word st_name;     /* Symbol name (string tbl index) */
+    Elf32_Addr st_value;    /* Symbol value */
+    Elf32_Word st_size;     /* Symbol size */
+    u8 st_info;             /* Symbol type and binding */
+    u8 st_other;            /* Symbol visibility */
+    Elf32_Section st_shndx; /* Section index */
+};
+
+struct Elf64_Sym {
+    Elf64_Word st_name;     /* Symbol name (string tbl index) */
+    u8 st_info;             /* Symbol type and binding */
+    u8 st_other;            /* Symbol visibility */
+    Elf64_Section st_shndx; /* Section index */
+    Elf64_Addr st_value;    /* Symbol value */
+    Elf64_Xword st_size;    /* Symbol size */
+};
+
+/* How to extract and insert information held in the st_info field.  */
+
+static inline u8 ElfStBind(u8 st_info) {
+    return st_info >> 4;
+}
+static inline u8 ElfStType(u8 st_info) {
+    return st_info & 0xf;
+}
+static inline u8 ElfStInfo(u8 st_bind, u8 st_type) {
+    return static_cast<u8>((st_bind << 4) + (st_type & 0xf));
+}
+
+constexpr u8 ElfBindLocal = 0;  /* Local symbol */
+constexpr u8 ElfBindGlobal = 1; /* Global symbol */
+constexpr u8 ElfBindWeak = 2;   /* Weak symbol */
+
+constexpr u8 ElfTypeUnspec = 0; /* Symbol type is unspecified */
+constexpr u8 ElfTypeObject = 1; /* Symbol is a data object */
+constexpr u8 ElfTypeFunc = 2;   /* Symbol is a code object */
+
+static inline u8 ElfStVisibility(u8 st_other) {
+    return static_cast<u8>(st_other & 0x3);
+}
+
+constexpr u8 ElfVisibilityDefault = 0;   /* Default symbol visibility rules */
+constexpr u8 ElfVisibilityInternal = 1;  /* Processor specific hidden class */
+constexpr u8 ElfVisibilityHidden = 2;    /* Sym unavailable in other modules */
+constexpr u8 ElfVisibilityProtected = 3; /* Not preemptible, not exported */
+
+/* Relocation table entry without addend (in section of type ShtRel).  */
+
+struct Elf32_Rel {
+    Elf32_Addr r_offset; /* Address */
+    Elf32_Word r_info;   /* Relocation type and symbol index */
+};
+
+/* Relocation table entry with addend (in section of type ShtRela).  */
+
+struct Elf32_Rela {
+    Elf32_Addr r_offset;  /* Address */
+    Elf32_Word r_info;    /* Relocation type and symbol index */
+    Elf32_Sword r_addend; /* Addend */
+};
+
+struct Elf64_Rela {
+    Elf64_Addr r_offset;   /* Address */
+    Elf64_Xword r_info;    /* Relocation type and symbol index */
+    Elf64_Sxword r_addend; /* Addend */
+};
+
+/* How to extract and insert information held in the r_info field.  */
+
+static inline u32 Elf32RelSymIndex(Elf32_Word r_info) {
+    return r_info >> 8;
+}
+static inline u8 Elf32RelType(Elf32_Word r_info) {
+    return static_cast<u8>(r_info & 0xff);
+}
+static inline Elf32_Word Elf32RelInfo(u32 sym_index, u8 type) {
+    return (sym_index << 8) + type;
+}
+static inline u32 Elf64RelSymIndex(Elf64_Xword r_info) {
+    return static_cast<u32>(r_info >> 32);
+}
+static inline u32 Elf64RelType(Elf64_Xword r_info) {
+    return r_info & 0xffffffff;
+}
+static inline Elf64_Xword Elf64RelInfo(u32 sym_index, u32 type) {
+    return (static_cast<Elf64_Xword>(sym_index) << 32) + type;
+}
+
+constexpr u32 ElfArmCopy = 20;     /* Copy symbol at runtime */
+constexpr u32 ElfArmGlobDat = 21;  /* Create GOT entry */
+constexpr u32 ElfArmJumpSlot = 22; /* Create PLT entry */
+constexpr u32 ElfArmRelative = 23; /* Adjust by program base */
+
+constexpr u32 ElfAArch64Copy = 1024;     /* Copy symbol at runtime */
+constexpr u32 ElfAArch64GlobDat = 1025;  /* Create GOT entry */
+constexpr u32 ElfAArch64JumpSlot = 1026; /* Create PLT entry */
+constexpr u32 ElfAArch64Relative = 1027; /* Adjust by program base */
+
+/* Program segment header.  */
+
+struct Elf32_Phdr {
+    Elf32_Word p_type;   /* Segment type */
+    Elf32_Off p_offset;  /* Segment file offset */
+    Elf32_Addr p_vaddr;  /* Segment virtual address */
+    Elf32_Addr p_paddr;  /* Segment physical address */
+    Elf32_Word p_filesz; /* Segment size in file */
+    Elf32_Word p_memsz;  /* Segment size in memory */
+    Elf32_Word p_flags;  /* Segment flags */
+    Elf32_Word p_align;  /* Segment alignment */
+};
+
+struct Elf64_Phdr {
+    Elf64_Word p_type;    /* Segment type */
+    Elf64_Word p_flags;   /* Segment flags */
+    Elf64_Off p_offset;   /* Segment file offset */
+    Elf64_Addr p_vaddr;   /* Segment virtual address */
+    Elf64_Addr p_paddr;   /* Segment physical address */
+    Elf64_Xword p_filesz; /* Segment size in file */
+    Elf64_Xword p_memsz;  /* Segment size in memory */
+    Elf64_Xword p_align;  /* Segment alignment */
+};
+
+/* Legal values for p_type (segment type).  */
+
+constexpr u32 ElfPtNull = 0;    /* Program header table entry unused */
+constexpr u32 ElfPtLoad = 1;    /* Loadable program segment */
+constexpr u32 ElfPtDynamic = 2; /* Dynamic linking information */
+constexpr u32 ElfPtInterp = 3;  /* Program interpreter */
+constexpr u32 ElfPtNote = 4;    /* Auxiliary information */
+constexpr u32 ElfPtPhdr = 6;    /* Entry for header table itself */
+constexpr u32 ElfPtTls = 7;     /* Thread-local storage segment */
+
+/* Legal values for p_flags (segment flags).  */
+
+constexpr u32 ElfPfExec = 0;  /* Segment is executable */
+constexpr u32 ElfPfWrite = 1; /* Segment is writable */
+constexpr u32 ElfPfRead = 2;  /* Segment is readable */
+
+/* Dynamic section entry.  */
+
+struct Elf32_Dyn {
+    Elf32_Sword d_tag; /* Dynamic entry type */
+    union {
+        Elf32_Word d_val; /* Integer value */
+        Elf32_Addr d_ptr; /* Address value */
+    } d_un;
+};
+
+struct Elf64_Dyn {
+    Elf64_Sxword d_tag; /* Dynamic entry type */
+    union {
+        Elf64_Xword d_val; /* Integer value */
+        Elf64_Addr d_ptr;  /* Address value */
+    } d_un;
+};
+
+/* Legal values for d_tag (dynamic entry type).  */
+
+constexpr u32 ElfDtNull = 0;         /* Marks end of dynamic section */
+constexpr u32 ElfDtNeeded = 1;       /* Name of needed library */
+constexpr u32 ElfDtPltRelSz = 2;     /* Size in bytes of PLT relocs */
+constexpr u32 ElfDtPltGot = 3;       /* Processor defined value */
+constexpr u32 ElfDtHash = 4;         /* Address of symbol hash table */
+constexpr u32 ElfDtStrtab = 5;       /* Address of string table */
+constexpr u32 ElfDtSymtab = 6;       /* Address of symbol table */
+constexpr u32 ElfDtRela = 7;         /* Address of Rela relocs */
+constexpr u32 ElfDtRelasz = 8;       /* Total size of Rela relocs */
+constexpr u32 ElfDtRelaent = 9;      /* Size of one Rela reloc */
+constexpr u32 ElfDtStrsz = 10;       /* Size of string table */
+constexpr u32 ElfDtSyment = 11;      /* Size of one symbol table entry */
+constexpr u32 ElfDtInit = 12;        /* Address of init function */
+constexpr u32 ElfDtFini = 13;        /* Address of termination function */
+constexpr u32 ElfDtRel = 17;         /* Address of Rel relocs */
+constexpr u32 ElfDtRelsz = 18;       /* Total size of Rel relocs */
+constexpr u32 ElfDtRelent = 19;      /* Size of one Rel reloc */
+constexpr u32 ElfDtPltRel = 20;      /* Type of reloc in PLT */
+constexpr u32 ElfDtTextRel = 22;     /* Reloc might modify .text */
+constexpr u32 ElfDtJmpRel = 23;      /* Address of PLT relocs */
+constexpr u32 ElfDtBindNow = 24;     /* Process relocations of object */
+constexpr u32 ElfDtInitArray = 25;   /* Array with addresses of init fct */
+constexpr u32 ElfDtFiniArray = 26;   /* Array with addresses of fini fct */
+constexpr u32 ElfDtInitArraySz = 27; /* Size in bytes of DT_INIT_ARRAY */
+constexpr u32 ElfDtFiniArraySz = 28; /* Size in bytes of DT_FINI_ARRAY */
+constexpr u32 ElfDtSymtabShndx = 34; /* Address of SYMTAB_SHNDX section */
+
+} // namespace ELF
+} // namespace Common

src/common/settings.cpp

@@ -147,7 +147,7 @@ void UpdateRescalingInfo() {
         info.down_shift = 0;
         break;
     default:
-        UNREACHABLE();
+        ASSERT(false);
         info.up_scale = 1;
         info.down_shift = 0;
     }

src/common/settings.h

@@ -496,7 +496,7 @@ struct Values {
 
     // Renderer
     RangedSetting<RendererBackend> renderer_backend{
-        RendererBackend::OpenGL, RendererBackend::OpenGL, RendererBackend::Vulkan, "backend"};
+        RendererBackend::Vulkan, RendererBackend::OpenGL, RendererBackend::Vulkan, "backend"};
     BasicSetting<bool> renderer_debug{false, "debug"};
     BasicSetting<bool> renderer_shader_feedback{false, "shader_feedback"};
     BasicSetting<bool> enable_nsight_aftermath{false, "nsight_aftermath"};

src/core/CMakeLists.txt

@@ -768,6 +768,9 @@ create_target_directory_groups(core)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core video_core)
 target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt::fmt nlohmann_json::nlohmann_json mbedtls Opus::Opus)
+if (MINGW)
+    target_link_libraries(core PRIVATE ${MSWSOCK_LIBRARY})
+endif()
 
 if (ENABLE_WEB_SERVICE)
     target_compile_definitions(core PRIVATE -DENABLE_WEB_SERVICE)

src/core/arm/arm_interface.cpp

@@ -11,6 +11,7 @@
 #include "core/core.h"
 #include "core/debugger/debugger.h"
 #include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
 #include "core/loader/loader.h"
 #include "core/memory.h"
 
@@ -89,8 +90,48 @@ void ARM_Interface::LogBacktrace() const {
     }
 }
 
-bool ARM_Interface::ShouldStep() const {
-    return system.DebuggerEnabled() && system.GetDebugger().IsStepping();
+void ARM_Interface::Run() {
+    using Kernel::StepState;
+    using Kernel::SuspendType;
+
+    while (true) {
+        Kernel::KThread* current_thread{system.Kernel().CurrentScheduler()->GetCurrentThread()};
+        Dynarmic::HaltReason hr{};
+
+        // Notify the debugger and go to sleep if a step was performed
+        // and this thread has been scheduled again.
+        if (current_thread->GetStepState() == StepState::StepPerformed) {
+            system.GetDebugger().NotifyThreadStopped(current_thread);
+            current_thread->RequestSuspend(SuspendType::Debug);
+            break;
+        }
+
+        // Otherwise, run the thread.
+        if (current_thread->GetStepState() == StepState::StepPending) {
+            hr = StepJit();
+
+            if (Has(hr, step_thread)) {
+                current_thread->SetStepState(StepState::StepPerformed);
+            }
+        } else {
+            hr = RunJit();
+        }
+
+        // Notify the debugger and go to sleep if a breakpoint was hit.
+        if (Has(hr, breakpoint)) {
+            system.GetDebugger().NotifyThreadStopped(current_thread);
+            current_thread->RequestSuspend(Kernel::SuspendType::Debug);
+            break;
+        }
+
+        // Handle syscalls and scheduling (this may change the current thread)
+        if (Has(hr, svc_call)) {
+            Kernel::Svc::Call(system, GetSvcNumber());
+        }
+        if (Has(hr, break_loop) || !uses_wall_clock) {
+            break;
+        }
+    }
 }
 
 } // namespace Core

src/core/arm/arm_interface.h

@@ -6,6 +6,9 @@
 
 #include <array>
 #include <vector>
+
+#include <dynarmic/interface/halt_reason.h>
+
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/hardware_properties.h"
@@ -64,7 +67,7 @@ public:
     static_assert(sizeof(ThreadContext64) == 0x320);
 
     /// Runs the CPU until an event happens
-    virtual void Run() = 0;
+    void Run();
 
     /// Clear all instruction cache
     virtual void ClearInstructionCache() = 0;
@@ -191,7 +194,10 @@ public:
 
     void LogBacktrace() const;
 
-    bool ShouldStep() const;
+    static constexpr Dynarmic::HaltReason step_thread = Dynarmic::HaltReason::Step;
+    static constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
+    static constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
+    static constexpr Dynarmic::HaltReason breakpoint = Dynarmic::HaltReason::UserDefined4;
 
 protected:
     /// System context that this ARM interface is running under.
@@ -200,6 +206,10 @@ protected:
     bool uses_wall_clock;
 
     static void SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out);
+
+    virtual Dynarmic::HaltReason RunJit() = 0;
+    virtual Dynarmic::HaltReason StepJit() = 0;
+    virtual u32 GetSvcNumber() const = 0;
 };
 
 } // namespace Core

src/core/arm/dynarmic/arm_dynarmic_32.cpp

@@ -26,10 +26,6 @@ namespace Core {
 
 using namespace Common::Literals;
 
-constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
-constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
-constexpr Dynarmic::HaltReason breakpoint = Dynarmic::HaltReason::UserDefined4;
-
 class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks {
 public:
     explicit DynarmicCallbacks32(ARM_Dynarmic_32& parent_)
@@ -82,8 +78,8 @@ public:
 
     void ExceptionRaised(u32 pc, Dynarmic::A32::Exception exception) override {
         if (parent.system.DebuggerEnabled()) {
-            parent.breakpoint_pc = pc;
-            parent.jit.load()->HaltExecution(breakpoint);
+            parent.jit.load()->Regs()[15] = pc;
+            parent.jit.load()->HaltExecution(ARM_Interface::breakpoint);
             return;
         }
 
@@ -95,7 +91,7 @@ public:
 
     void CallSVC(u32 swi) override {
         parent.svc_swi = swi;
-        parent.jit.load()->HaltExecution(svc_call);
+        parent.jit.load()->HaltExecution(ARM_Interface::svc_call);
     }
 
     void AddTicks(u64 ticks) override {
@@ -240,35 +236,16 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
     return std::make_unique<Dynarmic::A32::Jit>(config);
 }
 
-void ARM_Dynarmic_32::Run() {
-    while (true) {
-        const auto hr = ShouldStep() ? jit.load()->Step() : jit.load()->Run();
-        if (Has(hr, svc_call)) {
-            Kernel::Svc::Call(system, svc_swi);
-        }
+Dynarmic::HaltReason ARM_Dynarmic_32::RunJit() {
+    return jit.load()->Run();
+}
 
-        // Check to see if breakpoint is triggered.
-        // Recheck step condition in case stop is no longer desired.
-        Kernel::KThread* current_thread = system.Kernel().GetCurrentEmuThread();
-        if (Has(hr, breakpoint)) {
-            jit.load()->Regs()[15] = breakpoint_pc;
+Dynarmic::HaltReason ARM_Dynarmic_32::StepJit() {
+    return jit.load()->Step();
+}
 
-            if (system.GetDebugger().NotifyThreadStopped(current_thread)) {
-                current_thread->RequestSuspend(Kernel::SuspendType::Debug);
-            }
-            break;
-        }
-        if (ShouldStep()) {
-            // When stepping, this should be the only thread running.
-            ASSERT(system.GetDebugger().NotifyThreadStopped(current_thread));
-            current_thread->RequestSuspend(Kernel::SuspendType::Debug);
-            break;
-        }
-
-        if (Has(hr, break_loop) || !uses_wall_clock) {
-            break;
-        }
-    }
+u32 ARM_Dynarmic_32::GetSvcNumber() const {
+    return svc_swi;
 }
 
 ARM_Dynarmic_32::ARM_Dynarmic_32(System& system_, CPUInterrupts& interrupt_handlers_,

src/core/arm/dynarmic/arm_dynarmic_32.h

@@ -41,7 +41,6 @@ public:
     void SetVectorReg(int index, u128 value) override;
     u32 GetPSTATE() const override;
     void SetPSTATE(u32 pstate) override;
-    void Run() override;
     VAddr GetTlsAddress() const override;
     void SetTlsAddress(VAddr address) override;
     void SetTPIDR_EL0(u64 value) override;
@@ -69,6 +68,11 @@ public:
 
     std::vector<BacktraceEntry> GetBacktrace() const override;
 
+protected:
+    Dynarmic::HaltReason RunJit() override;
+    Dynarmic::HaltReason StepJit() override;
+    u32 GetSvcNumber() const override;
+
 private:
     std::shared_ptr<Dynarmic::A32::Jit> MakeJit(Common::PageTable* page_table) const;
 
@@ -94,9 +98,6 @@ private:
 
     // SVC callback
     u32 svc_swi{};
-
-    // Debug restart address
-    u32 breakpoint_pc{};
 };
 
 } // namespace Core

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -26,10 +26,6 @@ namespace Core {
 using Vector = Dynarmic::A64::Vector;
 using namespace Common::Literals;
 
-constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
-constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
-constexpr Dynarmic::HaltReason breakpoint = Dynarmic::HaltReason::UserDefined4;
-
 class DynarmicCallbacks64 : public Dynarmic::A64::UserCallbacks {
 public:
     explicit DynarmicCallbacks64(ARM_Dynarmic_64& parent_)
@@ -123,8 +119,8 @@ public:
             return;
         default:
             if (parent.system.DebuggerEnabled()) {
-                parent.breakpoint_pc = pc;
-                parent.jit.load()->HaltExecution(breakpoint);
+                parent.jit.load()->SetPC(pc);
+                parent.jit.load()->HaltExecution(ARM_Interface::breakpoint);
                 return;
             }
 
@@ -136,7 +132,7 @@ public:
 
     void CallSVC(u32 swi) override {
         parent.svc_swi = swi;
-        parent.jit.load()->HaltExecution(svc_call);
+        parent.jit.load()->HaltExecution(ARM_Interface::svc_call);
     }
 
     void AddTicks(u64 ticks) override {
@@ -300,35 +296,16 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
     return std::make_shared<Dynarmic::A64::Jit>(config);
 }
 
-void ARM_Dynarmic_64::Run() {
-    while (true) {
-        const auto hr = jit.load()->Run();
-        if (Has(hr, svc_call)) {
-            Kernel::Svc::Call(system, svc_swi);
-        }
+Dynarmic::HaltReason ARM_Dynarmic_64::RunJit() {
+    return jit.load()->Run();
+}
 
-        // Check to see if breakpoint is triggered.
-        // Recheck step condition in case stop is no longer desired.
-        Kernel::KThread* current_thread = system.Kernel().GetCurrentEmuThread();
-        if (Has(hr, breakpoint)) {
-            jit.load()->SetPC(breakpoint_pc);
+Dynarmic::HaltReason ARM_Dynarmic_64::StepJit() {
+    return jit.load()->Step();
+}
 
-            if (system.GetDebugger().NotifyThreadStopped(current_thread)) {
-                current_thread->RequestSuspend(Kernel::SuspendType::Debug);
-            }
-            break;
-        }
-        if (ShouldStep()) {
-            // When stepping, this should be the only thread running.
-            ASSERT(system.GetDebugger().NotifyThreadStopped(current_thread));
-            current_thread->RequestSuspend(Kernel::SuspendType::Debug);
-            break;
-        }
-
-        if (Has(hr, break_loop) || !uses_wall_clock) {
-            break;
-        }
-    }
+u32 ARM_Dynarmic_64::GetSvcNumber() const {
+    return svc_swi;
 }
 
 ARM_Dynarmic_64::ARM_Dynarmic_64(System& system_, CPUInterrupts& interrupt_handlers_,

src/core/arm/dynarmic/arm_dynarmic_64.h

@@ -39,7 +39,6 @@ public:
     void SetVectorReg(int index, u128 value) override;
     u32 GetPSTATE() const override;
     void SetPSTATE(u32 pstate) override;
-    void Run() override;
     VAddr GetTlsAddress() const override;
     void SetTlsAddress(VAddr address) override;
     void SetTPIDR_EL0(u64 value) override;
@@ -63,6 +62,11 @@ public:
 
     std::vector<BacktraceEntry> GetBacktrace() const override;
 
+protected:
+    Dynarmic::HaltReason RunJit() override;
+    Dynarmic::HaltReason StepJit() override;
+    u32 GetSvcNumber() const override;
+
 private:
     std::shared_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable* page_table,
                                                 std::size_t address_space_bits) const;
@@ -87,9 +91,6 @@ private:
 
     // SVC callback
     u32 svc_swi{};
-
-    // Debug restart address
-    u64 breakpoint_pc{};
 };
 
 } // namespace Core

src/core/arm/symbols.cpp

@@ -3,73 +3,14 @@
 
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
+#include "common/elf.h"
 #include "core/arm/symbols.h"
 #include "core/core.h"
 #include "core/memory.h"
 
+using namespace Common::ELF;
+
 namespace Core {
-namespace {
-
-constexpr u64 ELF_DYNAMIC_TAG_NULL = 0;
-constexpr u64 ELF_DYNAMIC_TAG_STRTAB = 5;
-constexpr u64 ELF_DYNAMIC_TAG_SYMTAB = 6;
-constexpr u64 ELF_DYNAMIC_TAG_SYMENT = 11;
-
-enum class ELFSymbolType : u8 {
-    None = 0,
-    Object = 1,
-    Function = 2,
-    Section = 3,
-    File = 4,
-    Common = 5,
-    TLS = 6,
-};
-
-enum class ELFSymbolBinding : u8 {
-    Local = 0,
-    Global = 1,
-    Weak = 2,
-};
-
-enum class ELFSymbolVisibility : u8 {
-    Default = 0,
-    Internal = 1,
-    Hidden = 2,
-    Protected = 3,
-};
-
-struct ELF64Symbol {
-    u32 name_index;
-    union {
-        u8 info;
-
-        BitField<0, 4, ELFSymbolType> type;
-        BitField<4, 4, ELFSymbolBinding> binding;
-    };
-    ELFSymbolVisibility visibility;
-    u16 sh_index;
-    u64 value;
-    u64 size;
-};
-static_assert(sizeof(ELF64Symbol) == 0x18, "ELF64Symbol has incorrect size.");
-
-struct ELF32Symbol {
-    u32 name_index;
-    u32 value;
-    u32 size;
-    union {
-        u8 info;
-
-        BitField<0, 4, ELFSymbolType> type;
-        BitField<4, 4, ELFSymbolBinding> binding;
-    };
-    ELFSymbolVisibility visibility;
-    u16 sh_index;
-};
-static_assert(sizeof(ELF32Symbol) == 0x10, "ELF32Symbol has incorrect size.");
-
-} // Anonymous namespace
-
 namespace Symbols {
 
 template <typename Word, typename ELFSymbol, typename ByteReader>
@@ -110,15 +51,15 @@ static Symbols GetSymbols(ByteReader ReadBytes) {
         const Word value = ReadWord(dynamic_index + sizeof(Word));
         dynamic_index += 2 * sizeof(Word);
 
-        if (tag == ELF_DYNAMIC_TAG_NULL) {
+        if (tag == ElfDtNull) {
             break;
         }
 
-        if (tag == ELF_DYNAMIC_TAG_STRTAB) {
+        if (tag == ElfDtStrtab) {
             string_table_offset = value;
-        } else if (tag == ELF_DYNAMIC_TAG_SYMTAB) {
+        } else if (tag == ElfDtSymtab) {
             symbol_table_offset = value;
-        } else if (tag == ELF_DYNAMIC_TAG_SYMENT) {
+        } else if (tag == ElfDtSyment) {
             symbol_entry_size = value;
         }
     }
@@ -134,14 +75,14 @@ static Symbols GetSymbols(ByteReader ReadBytes) {
         ELFSymbol symbol{};
         ReadBytes(&symbol, symbol_index, sizeof(ELFSymbol));
 
-        VAddr string_offset = string_table_offset + symbol.name_index;
+        VAddr string_offset = string_table_offset + symbol.st_name;
         std::string name;
         for (u8 c = Read8(string_offset); c != 0; c = Read8(++string_offset)) {
             name += static_cast<char>(c);
         }
 
         symbol_index += symbol_entry_size;
-        out[name] = std::make_pair(symbol.value, symbol.size);
+        out[name] = std::make_pair(symbol.st_value, symbol.st_size);
     }
 
     return out;
@@ -152,9 +93,9 @@ Symbols GetSymbols(VAddr base, Core::Memory::Memory& memory, bool is_64) {
         [&](void* ptr, size_t offset, size_t size) { memory.ReadBlock(base + offset, ptr, size); }};
 
     if (is_64) {
-        return GetSymbols<u64, ELF64Symbol>(ReadBytes);
+        return GetSymbols<u64, Elf64_Sym>(ReadBytes);
     } else {
-        return GetSymbols<u32, ELF32Symbol>(ReadBytes);
+        return GetSymbols<u32, Elf32_Sym>(ReadBytes);
     }
 }
 
@@ -164,9 +105,9 @@ Symbols GetSymbols(std::span<const u8> data, bool is_64) {
     }};
 
     if (is_64) {
-        return GetSymbols<u64, ELF64Symbol>(ReadBytes);
+        return GetSymbols<u64, Elf64_Sym>(ReadBytes);
     } else {
-        return GetSymbols<u32, ELF32Symbol>(ReadBytes);
+        return GetSymbols<u32, Elf32_Sym>(ReadBytes);
     }
 }
 

src/core/core.cpp

@@ -493,6 +493,12 @@ void System::Shutdown() {
     impl->Shutdown();
 }
 
+void System::DetachDebugger() {
+    if (impl->debugger) {
+        impl->debugger->NotifyShutdown();
+    }
+}
+
 std::unique_lock<std::mutex> System::StallCPU() {
     return impl->StallCPU();
 }

src/core/core.h

@@ -160,6 +160,9 @@ public:
     /// Shutdown the emulated system.
     void Shutdown();
 
+    /// Forcibly detach the debugger if it is running.
+    void DetachDebugger();
+
     std::unique_lock<std::mutex> StallCPU();
     void UnstallCPU();
 

src/core/cpu_manager.cpp

@@ -16,7 +16,8 @@
 
 namespace Core {
 
-CpuManager::CpuManager(System& system_) : system{system_} {}
+CpuManager::CpuManager(System& system_)
+    : pause_barrier{std::make_unique<Common::Barrier>(1)}, system{system_} {}
 CpuManager::~CpuManager() = default;
 
 void CpuManager::ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager,
@@ -30,8 +31,10 @@ void CpuManager::Initialize() {
         for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
             core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core);
         }
+        pause_barrier = std::make_unique<Common::Barrier>(Core::Hardware::NUM_CPU_CORES + 1);
     } else {
         core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), 0);
+        pause_barrier = std::make_unique<Common::Barrier>(2);
     }
 }
 
@@ -138,51 +141,14 @@ void CpuManager::MultiCoreRunSuspendThread() {
         auto core = kernel.CurrentPhysicalCoreIndex();
         auto& scheduler = *kernel.CurrentScheduler();
         Kernel::KThread* current_thread = scheduler.GetCurrentThread();
+        current_thread->DisableDispatch();
+
         Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context);
-        ASSERT(scheduler.ContextSwitchPending());
         ASSERT(core == kernel.CurrentPhysicalCoreIndex());
         scheduler.RescheduleCurrentCore();
     }
 }
 
-void CpuManager::MultiCorePause(bool paused) {
-    if (!paused) {
-        bool all_not_barrier = false;
-        while (!all_not_barrier) {
-            all_not_barrier = true;
-            for (const auto& data : core_data) {
-                all_not_barrier &= !data.is_running.load() && data.initialized.load();
-            }
-        }
-        for (auto& data : core_data) {
-            data.enter_barrier->Set();
-        }
-        if (paused_state.load()) {
-            bool all_barrier = false;
-            while (!all_barrier) {
-                all_barrier = true;
-                for (const auto& data : core_data) {
-                    all_barrier &= data.is_paused.load() && data.initialized.load();
-                }
-            }
-            for (auto& data : core_data) {
-                data.exit_barrier->Set();
-            }
-        }
-    } else {
-        /// Wait until all cores are paused.
-        bool all_barrier = false;
-        while (!all_barrier) {
-            all_barrier = true;
-            for (const auto& data : core_data) {
-                all_barrier &= data.is_paused.load() && data.initialized.load();
-            }
-        }
-        /// Don't release the barrier
-    }
-    paused_state = paused;
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 ///                             SingleCore                                   ///
 ///////////////////////////////////////////////////////////////////////////////
@@ -235,8 +201,9 @@ void CpuManager::SingleCoreRunSuspendThread() {
         auto core = kernel.GetCurrentHostThreadID();
         auto& scheduler = *kernel.CurrentScheduler();
         Kernel::KThread* current_thread = scheduler.GetCurrentThread();
+        current_thread->DisableDispatch();
+
         Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[0].host_context);
-        ASSERT(scheduler.ContextSwitchPending());
         ASSERT(core == kernel.GetCurrentHostThreadID());
         scheduler.RescheduleCurrentCore();
     }
@@ -274,37 +241,21 @@ void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
     }
 }
 
-void CpuManager::SingleCorePause(bool paused) {
-    if (!paused) {
-        bool all_not_barrier = false;
-        while (!all_not_barrier) {
-            all_not_barrier = !core_data[0].is_running.load() && core_data[0].initialized.load();
-        }
-        core_data[0].enter_barrier->Set();
-        if (paused_state.load()) {
-            bool all_barrier = false;
-            while (!all_barrier) {
-                all_barrier = core_data[0].is_paused.load() && core_data[0].initialized.load();
-            }
-            core_data[0].exit_barrier->Set();
-        }
-    } else {
-        /// Wait until all cores are paused.
-        bool all_barrier = false;
-        while (!all_barrier) {
-            all_barrier = core_data[0].is_paused.load() && core_data[0].initialized.load();
-        }
-        /// Don't release the barrier
-    }
-    paused_state = paused;
-}
-
 void CpuManager::Pause(bool paused) {
-    if (is_multicore) {
-        MultiCorePause(paused);
-    } else {
-        SingleCorePause(paused);
+    std::scoped_lock lk{pause_lock};
+
+    if (pause_state == paused) {
+        return;
     }
+
+    // Set the new state
+    pause_state.store(paused);
+
+    // Wake up any waiting threads
+    pause_state.notify_all();
+
+    // Wait for all threads to successfully change state before returning
+    pause_barrier->Sync();
 }
 
 void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
@@ -320,27 +271,29 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
     Common::SetCurrentThreadName(name.c_str());
     Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
     auto& data = core_data[core];
-    data.enter_barrier = std::make_unique<Common::Event>();
-    data.exit_barrier = std::make_unique<Common::Event>();
     data.host_context = Common::Fiber::ThreadToFiber();
-    data.is_running = false;
-    data.initialized = true;
     const bool sc_sync = !is_async_gpu && !is_multicore;
     bool sc_sync_first_use = sc_sync;
 
     // Cleanup
     SCOPE_EXIT({
         data.host_context->Exit();
-        data.enter_barrier.reset();
-        data.exit_barrier.reset();
-        data.initialized = false;
         MicroProfileOnThreadExit();
     });
 
     /// Running
     while (running_mode) {
-        data.is_running = false;
-        data.enter_barrier->Wait();
+        if (pause_state.load(std::memory_order_relaxed)) {
+            // Wait for caller to acknowledge pausing
+            pause_barrier->Sync();
+
+            // Wait until unpaused
+            pause_state.wait(true, std::memory_order_relaxed);
+
+            // Wait for caller to acknowledge unpausing
+            pause_barrier->Sync();
+        }
+
         if (sc_sync_first_use) {
             system.GPU().ObtainContext();
             sc_sync_first_use = false;
@@ -352,12 +305,7 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
         }
 
         auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
-        data.is_running = true;
         Common::Fiber::YieldTo(data.host_context, *current_thread->GetHostContext());
-        data.is_running = false;
-        data.is_paused = true;
-        data.exit_barrier->Wait();
-        data.is_paused = false;
     }
 }
 

src/core/cpu_manager.h

@@ -69,13 +69,11 @@ private:
     void MultiCoreRunGuestLoop();
     void MultiCoreRunIdleThread();
     void MultiCoreRunSuspendThread();
-    void MultiCorePause(bool paused);
 
     void SingleCoreRunGuestThread();
     void SingleCoreRunGuestLoop();
     void SingleCoreRunIdleThread();
     void SingleCoreRunSuspendThread();
-    void SingleCorePause(bool paused);
 
     static void ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager, std::size_t core);
 
@@ -83,16 +81,13 @@ private:
 
     struct CoreData {
         std::shared_ptr<Common::Fiber> host_context;
-        std::unique_ptr<Common::Event> enter_barrier;
-        std::unique_ptr<Common::Event> exit_barrier;
-        std::atomic<bool> is_running;
-        std::atomic<bool> is_paused;
-        std::atomic<bool> initialized;
         std::jthread host_thread;
     };
 
     std::atomic<bool> running_mode{};
-    std::atomic<bool> paused_state{};
+    std::atomic<bool> pause_state{};
+    std::unique_ptr<Common::Barrier> pause_barrier{};
+    std::mutex pause_lock{};
 
     std::array<CoreData, Core::Hardware::NUM_CPU_CORES> core_data{};
 

src/core/crypto/key_manager.cpp

@@ -140,7 +140,6 @@ u64 GetSignatureTypeDataSize(SignatureType type) {
         return 0x3C;
     }
     UNREACHABLE();
-    return 0;
 }
 
 u64 GetSignatureTypePaddingSize(SignatureType type) {
@@ -155,7 +154,6 @@ u64 GetSignatureTypePaddingSize(SignatureType type) {
         return 0x40;
     }
     UNREACHABLE();
-    return 0;
 }
 
 SignatureType Ticket::GetSignatureType() const {

src/core/debugger/debugger.cpp

@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <algorithm>
 #include <mutex>
 #include <thread>
 
@@ -19,15 +20,16 @@ template <typename Readable, typename Buffer, typename Callback>
 static void AsyncReceiveInto(Readable& r, Buffer& buffer, Callback&& c) {
     static_assert(std::is_trivial_v<Buffer>);
     auto boost_buffer{boost::asio::buffer(&buffer, sizeof(Buffer))};
-    r.async_read_some(boost_buffer, [&](const boost::system::error_code& error, size_t bytes_read) {
-        if (!error.failed()) {
-            const u8* buffer_start = reinterpret_cast<const u8*>(&buffer);
-            std::span<const u8> received_data{buffer_start, buffer_start + bytes_read};
-            c(received_data);
-        }
+    r.async_read_some(
+        boost_buffer, [&, c](const boost::system::error_code& error, size_t bytes_read) {
+            if (!error.failed()) {
+                const u8* buffer_start = reinterpret_cast<const u8*>(&buffer);
+                std::span<const u8> received_data{buffer_start, buffer_start + bytes_read};
+                c(received_data);
+            }
 
-        AsyncReceiveInto(r, buffer, c);
-    });
+            AsyncReceiveInto(r, buffer, c);
+        });
 }
 
 template <typename Readable, typename Buffer>
@@ -40,6 +42,16 @@ static std::span<const u8> ReceiveInto(Readable& r, Buffer& buffer) {
     return received_data;
 }
 
+enum class SignalType {
+    Stopped,
+    ShuttingDown,
+};
+
+struct SignalInfo {
+    SignalType type;
+    Kernel::KThread* thread;
+};
+
 namespace Core {
 
 class DebuggerImpl : public DebuggerBackend {
@@ -54,7 +66,7 @@ public:
         ShutdownServer();
     }
 
-    bool NotifyThreadStopped(Kernel::KThread* thread) {
+    bool SignalDebugger(SignalInfo signal_info) {
         std::scoped_lock lk{connection_lock};
 
         if (stopped) {
@@ -62,9 +74,13 @@ public:
             // It should be ignored.
             return false;
         }
-        stopped = true;
 
-        signal_pipe.write_some(boost::asio::buffer(&thread, sizeof(thread)));
+        // Set up the state.
+        stopped = true;
+        info = signal_info;
+
+        // Write a single byte into the pipe to wake up the debug interface.
+        boost::asio::write(signal_pipe, boost::asio::buffer(&stopped, sizeof(stopped)));
         return true;
     }
 
@@ -73,7 +89,7 @@ public:
     }
 
     void WriteToClient(std::span<const u8> data) override {
-        client_socket.write_some(boost::asio::buffer(data.data(), data.size_bytes()));
+        boost::asio::write(client_socket, boost::asio::buffer(data.data(), data.size_bytes()));
     }
 
     void SetActiveThread(Kernel::KThread* thread) override {
@@ -84,31 +100,31 @@ public:
         return active_thread;
     }
 
-    bool IsStepping() const {
-        return stepping;
-    }
-
 private:
     void InitializeServer(u16 port) {
         using boost::asio::ip::tcp;
 
         LOG_INFO(Debug_GDBStub, "Starting server on port {}...", port);
 
-        // Initialize the listening socket and accept a new client.
-        tcp::endpoint endpoint{boost::asio::ip::address_v4::loopback(), port};
-        tcp::acceptor acceptor{io_context, endpoint};
-        client_socket = acceptor.accept();
-
         // Run the connection thread.
-        connection_thread = std::jthread([&](std::stop_token stop_token) {
+        connection_thread = std::jthread([&, port](std::stop_token stop_token) {
             try {
+                // Initialize the listening socket and accept a new client.
+                tcp::endpoint endpoint{boost::asio::ip::address_v4::any(), port};
+                tcp::acceptor acceptor{io_context, endpoint};
+
+                acceptor.async_accept(client_socket, [](const auto&) {});
+                io_context.run_one();
+                io_context.restart();
+
+                if (stop_token.stop_requested()) {
+                    return;
+                }
+
                 ThreadLoop(stop_token);
             } catch (const std::exception& ex) {
                 LOG_CRITICAL(Debug_GDBStub, "Stopping server: {}", ex.what());
             }
-
-            client_socket.shutdown(client_socket.shutdown_both);
-            client_socket.close();
         });
     }
 
@@ -122,15 +138,14 @@ private:
         Common::SetCurrentThreadName("yuzu:Debugger");
 
         // Set up the client signals for new data.
-        AsyncReceiveInto(signal_pipe, active_thread, [&](auto d) { PipeData(d); });
+        AsyncReceiveInto(signal_pipe, pipe_data, [&](auto d) { PipeData(d); });
         AsyncReceiveInto(client_socket, client_data, [&](auto d) { ClientData(d); });
 
         // Stop the emulated CPU.
         AllCoreStop();
 
         // Set the active thread.
-        active_thread = ThreadList()[0];
-        active_thread->Resume(Kernel::SuspendType::Debug);
+        UpdateActiveThread();
 
         // Set up the frontend.
         frontend->Connected();
@@ -141,9 +156,28 @@ private:
     }
 
     void PipeData(std::span<const u8> data) {
-        AllCoreStop();
-        active_thread->Resume(Kernel::SuspendType::Debug);
-        frontend->Stopped(active_thread);
+        switch (info.type) {
+        case SignalType::Stopped:
+            // Stop emulation.
+            AllCoreStop();
+
+            // Notify the client.
+            active_thread = info.thread;
+            UpdateActiveThread();
+            frontend->Stopped(active_thread);
+
+            break;
+        case SignalType::ShuttingDown:
+            frontend->ShuttingDown();
+
+            // Wait for emulation to shut down gracefully now.
+            suspend.reset();
+            signal_pipe.close();
+            client_socket.shutdown(boost::asio::socket_base::shutdown_both);
+            LOG_INFO(Debug_GDBStub, "Shut down server");
+
+            break;
+        }
     }
 
     void ClientData(std::span<const u8> data) {
@@ -156,18 +190,22 @@ private:
                     stopped = true;
                 }
                 AllCoreStop();
-                active_thread = ThreadList()[0];
-                active_thread->Resume(Kernel::SuspendType::Debug);
+                UpdateActiveThread();
                 frontend->Stopped(active_thread);
                 break;
             }
             case DebuggerAction::Continue:
-                stepping = false;
+                active_thread->SetStepState(Kernel::StepState::NotStepping);
                 ResumeInactiveThreads();
                 AllCoreResume();
                 break;
-            case DebuggerAction::StepThread:
-                stepping = true;
+            case DebuggerAction::StepThreadUnlocked:
+                active_thread->SetStepState(Kernel::StepState::StepPending);
+                ResumeInactiveThreads();
+                AllCoreResume();
+                break;
+            case DebuggerAction::StepThreadLocked:
+                active_thread->SetStepState(Kernel::StepState::StepPending);
                 SuspendInactiveThreads();
                 AllCoreResume();
                 break;
@@ -212,10 +250,20 @@ private:
         for (auto* thread : ThreadList()) {
             if (thread != active_thread) {
                 thread->Resume(Kernel::SuspendType::Debug);
+                thread->SetStepState(Kernel::StepState::NotStepping);
             }
         }
     }
 
+    void UpdateActiveThread() {
+        const auto& threads{ThreadList()};
+        if (std::find(threads.begin(), threads.end(), active_thread) == threads.end()) {
+            active_thread = threads[0];
+        }
+        active_thread->Resume(Kernel::SuspendType::Debug);
+        active_thread->SetStepState(Kernel::StepState::NotStepping);
+    }
+
     const std::vector<Kernel::KThread*>& ThreadList() {
         return system.GlobalSchedulerContext().GetThreadList();
     }
@@ -231,9 +279,10 @@ private:
     boost::asio::ip::tcp::socket client_socket;
     std::optional<std::unique_lock<std::mutex>> suspend;
 
+    SignalInfo info;
     Kernel::KThread* active_thread;
+    bool pipe_data;
     bool stopped;
-    bool stepping;
 
     std::array<u8, 4096> client_data;
 };
@@ -249,11 +298,13 @@ Debugger::Debugger(Core::System& system, u16 port) {
 Debugger::~Debugger() = default;
 
 bool Debugger::NotifyThreadStopped(Kernel::KThread* thread) {
-    return impl && impl->NotifyThreadStopped(thread);
+    return impl && impl->SignalDebugger(SignalInfo{SignalType::Stopped, thread});
 }
 
-bool Debugger::IsStepping() const {
-    return impl && impl->IsStepping();
+void Debugger::NotifyShutdown() {
+    if (impl) {
+        impl->SignalDebugger(SignalInfo{SignalType::ShuttingDown, nullptr});
+    }
 }
 
 } // namespace Core

src/core/debugger/debugger.h

@@ -36,9 +36,9 @@ public:
     bool NotifyThreadStopped(Kernel::KThread* thread);
 
     /**
-     * Returns whether a step is in progress.
+     * Notify the debugger that a shutdown is being performed now and disconnect.
      */
-    bool IsStepping() const;
+    void NotifyShutdown();
 
 private:
     std::unique_ptr<DebuggerImpl> impl;

src/core/debugger/debugger_interface.h

@@ -16,10 +16,11 @@ class KThread;
 namespace Core {
 
 enum class DebuggerAction {
-    Interrupt,         // Stop emulation as soon as possible.
-    Continue,          // Resume emulation.
-    StepThread,        // Step the currently-active thread.
-    ShutdownEmulation, // Shut down the emulator.
+    Interrupt,          ///< Stop emulation as soon as possible.
+    Continue,           ///< Resume emulation.
+    StepThreadLocked,   ///< Step the currently-active thread without resuming others.
+    StepThreadUnlocked, ///< Step the currently-active thread and resume others.
+    ShutdownEmulation,  ///< Shut down the emulator.
 };
 
 class DebuggerBackend {
@@ -65,6 +66,11 @@ public:
      */
     virtual void Stopped(Kernel::KThread* thread) = 0;
 
+    /**
+     * Called when emulation is shutting down.
+     */
+    virtual void ShuttingDown() = 0;
+
     /**
      * Called when new data is asynchronously received on the client socket.
      * A list of actions to perform is returned.

src/core/debugger/gdbstub.cpp

@@ -6,8 +6,7 @@
 #include <optional>
 #include <thread>
 
-#include <boost/asio.hpp>
-#include <boost/process/async_pipe.hpp>
+#include <boost/algorithm/string.hpp>
 
 #include "common/hex_util.h"
 #include "common/logging/log.h"
@@ -35,6 +34,65 @@ constexpr char GDB_STUB_REPLY_ERR[] = "E01";
 constexpr char GDB_STUB_REPLY_OK[] = "OK";
 constexpr char GDB_STUB_REPLY_EMPTY[] = "";
 
+static u8 CalculateChecksum(std::string_view data) {
+    return std::accumulate(data.begin(), data.end(), u8{0},
+                           [](u8 lhs, u8 rhs) { return static_cast<u8>(lhs + rhs); });
+}
+
+static std::string EscapeGDB(std::string_view data) {
+    std::string escaped;
+    escaped.reserve(data.size());
+
+    for (char c : data) {
+        switch (c) {
+        case '#':
+            escaped += "}\x03";
+            break;
+        case '$':
+            escaped += "}\x04";
+            break;
+        case '*':
+            escaped += "}\x0a";
+            break;
+        case '}':
+            escaped += "}\x5d";
+            break;
+        default:
+            escaped += c;
+            break;
+        }
+    }
+
+    return escaped;
+}
+
+static std::string EscapeXML(std::string_view data) {
+    std::string escaped;
+    escaped.reserve(data.size());
+
+    for (char c : data) {
+        switch (c) {
+        case '&':
+            escaped += "&amp;";
+            break;
+        case '"':
+            escaped += "&quot;";
+            break;
+        case '<':
+            escaped += "&lt;";
+            break;
+        case '>':
+            escaped += "&gt;";
+            break;
+        default:
+            escaped += c;
+            break;
+        }
+    }
+
+    return escaped;
+}
+
 GDBStub::GDBStub(DebuggerBackend& backend_, Core::System& system_)
     : DebuggerFrontend(backend_), system{system_} {
     if (system.CurrentProcess()->Is64BitProcess()) {
@@ -48,6 +106,8 @@ GDBStub::~GDBStub() = default;
 
 void GDBStub::Connected() {}
 
+void GDBStub::ShuttingDown() {}
+
 void GDBStub::Stopped(Kernel::KThread* thread) {
     SendReply(arch->ThreadStatus(thread, GDB_STUB_SIGTRAP));
 }
@@ -114,6 +174,11 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
         return;
     }
 
+    if (packet.starts_with("vCont")) {
+        HandleVCont(packet.substr(5), actions);
+        return;
+    }
+
     std::string_view command{packet.substr(1, packet.size())};
 
     switch (packet[0]) {
@@ -122,6 +187,8 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
         s64 thread_id{strtoll(command.data() + 1, nullptr, 16)};
         if (thread_id >= 1) {
             thread = GetThreadByID(thread_id);
+        } else {
+            thread = backend.GetActiveThread();
         }
 
         if (thread) {
@@ -141,6 +208,7 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
         }
         break;
     }
+    case 'Q':
     case 'q':
         HandleQuery(command);
         break;
@@ -204,7 +272,7 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
         break;
     }
     case 's':
-        actions.push_back(DebuggerAction::StepThread);
+        actions.push_back(DebuggerAction::StepThreadLocked);
         break;
     case 'C':
     case 'c':
@@ -248,25 +316,136 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
     }
 }
 
+// Structure offsets are from Atmosphere
+// See osdbg_thread_local_region.os.horizon.hpp and osdbg_thread_type.os.horizon.hpp
+
+static std::optional<std::string> GetNameFromThreadType32(Core::Memory::Memory& memory,
+                                                          const Kernel::KThread* thread) {
+    // Read thread type from TLS
+    const VAddr tls_thread_type{memory.Read32(thread->GetTLSAddress() + 0x1fc)};
+    const VAddr argument_thread_type{thread->GetArgument()};
+
+    if (argument_thread_type && tls_thread_type != argument_thread_type) {
+        // Probably not created by nnsdk, no name available.
+        return std::nullopt;
+    }
+
+    if (!tls_thread_type) {
+        return std::nullopt;
+    }
+
+    const u16 version{memory.Read16(tls_thread_type + 0x26)};
+    VAddr name_pointer{};
+    if (version == 1) {
+        name_pointer = memory.Read32(tls_thread_type + 0xe4);
+    } else {
+        name_pointer = memory.Read32(tls_thread_type + 0xe8);
+    }
+
+    if (!name_pointer) {
+        // No name provided.
+        return std::nullopt;
+    }
+
+    return memory.ReadCString(name_pointer, 256);
+}
+
+static std::optional<std::string> GetNameFromThreadType64(Core::Memory::Memory& memory,
+                                                          const Kernel::KThread* thread) {
+    // Read thread type from TLS
+    const VAddr tls_thread_type{memory.Read64(thread->GetTLSAddress() + 0x1f8)};
+    const VAddr argument_thread_type{thread->GetArgument()};
+
+    if (argument_thread_type && tls_thread_type != argument_thread_type) {
+        // Probably not created by nnsdk, no name available.
+        return std::nullopt;
+    }
+
+    if (!tls_thread_type) {
+        return std::nullopt;
+    }
+
+    const u16 version{memory.Read16(tls_thread_type + 0x46)};
+    VAddr name_pointer{};
+    if (version == 1) {
+        name_pointer = memory.Read64(tls_thread_type + 0x1a0);
+    } else {
+        name_pointer = memory.Read64(tls_thread_type + 0x1a8);
+    }
+
+    if (!name_pointer) {
+        // No name provided.
+        return std::nullopt;
+    }
+
+    return memory.ReadCString(name_pointer, 256);
+}
+
+static std::optional<std::string> GetThreadName(Core::System& system,
+                                                const Kernel::KThread* thread) {
+    if (system.CurrentProcess()->Is64BitProcess()) {
+        return GetNameFromThreadType64(system.Memory(), thread);
+    } else {
+        return GetNameFromThreadType32(system.Memory(), thread);
+    }
+}
+
+static std::string_view GetThreadWaitReason(const Kernel::KThread* thread) {
+    switch (thread->GetWaitReasonForDebugging()) {
+    case Kernel::ThreadWaitReasonForDebugging::Sleep:
+        return "Sleep";
+    case Kernel::ThreadWaitReasonForDebugging::IPC:
+        return "IPC";
+    case Kernel::ThreadWaitReasonForDebugging::Synchronization:
+        return "Synchronization";
+    case Kernel::ThreadWaitReasonForDebugging::ConditionVar:
+        return "ConditionVar";
+    case Kernel::ThreadWaitReasonForDebugging::Arbitration:
+        return "Arbitration";
+    case Kernel::ThreadWaitReasonForDebugging::Suspended:
+        return "Suspended";
+    default:
+        return "Unknown";
+    }
+}
+
+static std::string GetThreadState(const Kernel::KThread* thread) {
+    switch (thread->GetState()) {
+    case Kernel::ThreadState::Initialized:
+        return "Initialized";
+    case Kernel::ThreadState::Waiting:
+        return fmt::format("Waiting ({})", GetThreadWaitReason(thread));
+    case Kernel::ThreadState::Runnable:
+        return "Runnable";
+    case Kernel::ThreadState::Terminated:
+        return "Terminated";
+    default:
+        return "Unknown";
+    }
+}
+
+static std::string PaginateBuffer(std::string_view buffer, std::string_view request) {
+    const auto amount{request.substr(request.find(',') + 1)};
+    const auto offset_val{static_cast<u64>(strtoll(request.data(), nullptr, 16))};
+    const auto amount_val{static_cast<u64>(strtoll(amount.data(), nullptr, 16))};
+
+    if (offset_val + amount_val > buffer.size()) {
+        return fmt::format("l{}", buffer.substr(offset_val));
+    } else {
+        return fmt::format("m{}", buffer.substr(offset_val, amount_val));
+    }
+}
+
 void GDBStub::HandleQuery(std::string_view command) {
     if (command.starts_with("TStatus")) {
         // no tracepoint support
         SendReply("T0");
     } else if (command.starts_with("Supported")) {
-        SendReply("PacketSize=4000;qXfer:features:read+;qXfer:threads:read+;qXfer:libraries:read+");
+        SendReply("PacketSize=4000;qXfer:features:read+;qXfer:threads:read+;qXfer:libraries:read+;"
+                  "vContSupported+;QStartNoAckMode+");
     } else if (command.starts_with("Xfer:features:read:target.xml:")) {
-        const auto offset{command.substr(30)};
-        const auto amount{command.substr(command.find(',') + 1)};
-
-        const auto offset_val{static_cast<u64>(strtoll(offset.data(), nullptr, 16))};
-        const auto amount_val{static_cast<u64>(strtoll(amount.data(), nullptr, 16))};
         const auto target_xml{arch->GetTargetXML()};
-
-        if (offset_val + amount_val > target_xml.size()) {
-            SendReply("l" + target_xml.substr(offset_val));
-        } else {
-            SendReply("m" + target_xml.substr(offset_val, amount_val));
-        }
+        SendReply(PaginateBuffer(target_xml, command.substr(30)));
     } else if (command.starts_with("Offsets")) {
         Loader::AppLoader::Modules modules;
         system.GetAppLoader().ReadNSOModules(modules);
@@ -279,6 +458,20 @@ void GDBStub::HandleQuery(std::string_view command) {
             SendReply(fmt::format("TextSeg={:x}",
                                   system.CurrentProcess()->PageTable().GetCodeRegionStart()));
         }
+    } else if (command.starts_with("Xfer:libraries:read::")) {
+        Loader::AppLoader::Modules modules;
+        system.GetAppLoader().ReadNSOModules(modules);
+
+        std::string buffer;
+        buffer += R"(<?xml version="1.0"?>)";
+        buffer += "<library-list>";
+        for (const auto& [base, name] : modules) {
+            buffer += fmt::format(R"(<library name="{}"><segment address="{:#x}"/></library>)",
+                                  EscapeXML(name), base);
+        }
+        buffer += "</library-list>";
+
+        SendReply(PaginateBuffer(buffer, command.substr(21)));
     } else if (command.starts_with("fThreadInfo")) {
         // beginning of list
         const auto& threads = system.GlobalSchedulerContext().GetThreadList();
@@ -290,25 +483,70 @@ void GDBStub::HandleQuery(std::string_view command) {
     } else if (command.starts_with("sThreadInfo")) {
         // end of list
         SendReply("l");
-    } else if (command.starts_with("Xfer:threads:read")) {
+    } else if (command.starts_with("Xfer:threads:read::")) {
         std::string buffer;
-        buffer += R"(l<?xml version="1.0"?>)";
+        buffer += R"(<?xml version="1.0"?>)";
         buffer += "<threads>";
 
         const auto& threads = system.GlobalSchedulerContext().GetThreadList();
-        for (const auto& thread : threads) {
-            buffer +=
-                fmt::format(R"(<thread id="{:x}" core="{:d}" name="Thread {:d}"/>)",
-                            thread->GetThreadID(), thread->GetActiveCore(), thread->GetThreadID());
+        for (const auto* thread : threads) {
+            auto thread_name{GetThreadName(system, thread)};
+            if (!thread_name) {
+                thread_name = fmt::format("Thread {:d}", thread->GetThreadID());
+            }
+
+            buffer += fmt::format(R"(<thread id="{:x}" core="{:d}" name="{}">{}</thread>)",
+                                  thread->GetThreadID(), thread->GetActiveCore(),
+                                  EscapeXML(*thread_name), GetThreadState(thread));
         }
 
         buffer += "</threads>";
-        SendReply(buffer);
+
+        SendReply(PaginateBuffer(buffer, command.substr(19)));
+    } else if (command.starts_with("Attached")) {
+        SendReply("0");
+    } else if (command.starts_with("StartNoAckMode")) {
+        no_ack = true;
+        SendReply(GDB_STUB_REPLY_OK);
     } else {
         SendReply(GDB_STUB_REPLY_EMPTY);
     }
 }
 
+void GDBStub::HandleVCont(std::string_view command, std::vector<DebuggerAction>& actions) {
+    if (command == "?") {
+        // Continuing and stepping are supported
+        // (signal is ignored, but required for GDB to use vCont)
+        SendReply("vCont;c;C;s;S");
+        return;
+    }
+
+    Kernel::KThread* stepped_thread{nullptr};
+    bool lock_execution{true};
+
+    std::vector<std::string> entries;
+    boost::split(entries, command.substr(1), boost::is_any_of(";"));
+    for (const auto& thread_action : entries) {
+        std::vector<std::string> parts;
+        boost::split(parts, thread_action, boost::is_any_of(":"));
+
+        if (parts.size() == 1 && (parts[0] == "c" || parts[0].starts_with("C"))) {
+            lock_execution = false;
+        }
+        if (parts.size() == 2 && (parts[0] == "s" || parts[0].starts_with("S"))) {
+            stepped_thread = GetThreadByID(strtoll(parts[1].data(), nullptr, 16));
+        }
+    }
+
+    if (stepped_thread) {
+        backend.SetActiveThread(stepped_thread);
+        actions.push_back(lock_execution ? DebuggerAction::StepThreadLocked
+                                         : DebuggerAction::StepThreadUnlocked);
+    } else {
+        actions.push_back(DebuggerAction::Continue);
+    }
+}
+
 Kernel::KThread* GDBStub::GetThreadByID(u64 thread_id) {
     const auto& threads{system.GlobalSchedulerContext().GetThreadList()};
     for (auto* thread : threads) {
@@ -357,14 +595,10 @@ std::optional<std::string> GDBStub::DetachCommand() {
     return data.substr(1, data.size() - 4);
 }
 
-u8 GDBStub::CalculateChecksum(std::string_view data) {
-    return static_cast<u8>(
-        std::accumulate(data.begin(), data.end(), u8{0}, [](u8 lhs, u8 rhs) { return lhs + rhs; }));
-}
-
 void GDBStub::SendReply(std::string_view data) {
-    const auto output{
-        fmt::format("{}{}{}{:02x}", GDB_STUB_START, data, GDB_STUB_END, CalculateChecksum(data))};
+    const auto escaped{EscapeGDB(data)};
+    const auto output{fmt::format("{}{}{}{:02x}", GDB_STUB_START, escaped, GDB_STUB_END,
+                                  CalculateChecksum(escaped))};
     LOG_TRACE(Debug_GDBStub, "Writing reply: {}", output);
 
     // C++ string support is complete rubbish
@@ -374,6 +608,10 @@ void GDBStub::SendReply(std::string_view data) {
 }
 
 void GDBStub::SendStatus(char status) {
+    if (no_ack) {
+        return;
+    }
+
     std::array<u8, 1> buf = {static_cast<u8>(status)};
     LOG_TRACE(Debug_GDBStub, "Writing status: {}", status);
     backend.WriteToClient(buf);

src/core/debugger/gdbstub.h

@@ -23,17 +23,18 @@ public:
 
     void Connected() override;
     void Stopped(Kernel::KThread* thread) override;
+    void ShuttingDown() override;
     std::vector<DebuggerAction> ClientData(std::span<const u8> data) override;
 
 private:
     void ProcessData(std::vector<DebuggerAction>& actions);
     void ExecuteCommand(std::string_view packet, std::vector<DebuggerAction>& actions);
+    void HandleVCont(std::string_view command, std::vector<DebuggerAction>& actions);
     void HandleQuery(std::string_view command);
     std::vector<char>::const_iterator CommandEnd() const;
     std::optional<std::string> DetachCommand();
     Kernel::KThread* GetThreadByID(u64 thread_id);
 
-    static u8 CalculateChecksum(std::string_view data);
     void SendReply(std::string_view data);
     void SendStatus(char status);
 
@@ -42,6 +43,7 @@ private:
     std::unique_ptr<GDBStubArch> arch;
     std::vector<char> current_command;
     std::map<VAddr, u32> replaced_instructions;
+    bool no_ack{};
 };
 
 } // namespace Core

src/core/debugger/gdbstub_arch.cpp

@@ -46,6 +46,7 @@ std::string GDBStubA64::GetTargetXML() const {
         R"(<?xml version="1.0"?>
 <!DOCTYPE target SYSTEM "gdb-target.dtd">
 <target version="1.0">
+  <architecture>aarch64</architecture>
   <feature name="org.gnu.gdb.aarch64.core">
     <reg name="x0" bitsize="64"/>
     <reg name="x1" bitsize="64"/>
@@ -80,7 +81,7 @@ std::string GDBStubA64::GetTargetXML() const {
     <reg name="x30" bitsize="64"/>
     <reg name="sp" bitsize="64" type="data_ptr"/>
     <reg name="pc" bitsize="64" type="code_ptr"/>
-    <flags id="pstate_flags" size="4">
+    <flags id="cpsr_flags" size="4">
       <field name="SP" start="0" end="0"/>
       <field name="" start="1" end="1"/>
       <field name="EL" start="2" end="3"/>
@@ -97,9 +98,84 @@ std::string GDBStubA64::GetTargetXML() const {
       <field name="Z" start="30" end="30"/>
       <field name="N" start="31" end="31"/>
     </flags>
-    <reg name="pstate" bitsize="32" type="pstate_flags"/>
+    <reg name="cpsr" bitsize="32" type="cpsr_flags"/>
   </feature>
   <feature name="org.gnu.gdb.aarch64.fpu">
+    <vector id="v2d" type="ieee_double" count="2"/>
+    <vector id="v2u" type="uint64" count="2"/>
+    <vector id="v2i" type="int64" count="2"/>
+    <vector id="v4f" type="ieee_single" count="4"/>
+    <vector id="v4u" type="uint32" count="4"/>
+    <vector id="v4i" type="int32" count="4"/>
+    <vector id="v8u" type="uint16" count="8"/>
+    <vector id="v8i" type="int16" count="8"/>
+    <vector id="v16u" type="uint8" count="16"/>
+    <vector id="v16i" type="int8" count="16"/>
+    <vector id="v1u" type="uint128" count="1"/>
+    <vector id="v1i" type="int128" count="1"/>
+    <union id="vnd">
+      <field name="f" type="v2d"/>
+      <field name="u" type="v2u"/>
+      <field name="s" type="v2i"/>
+    </union>
+    <union id="vns">
+      <field name="f" type="v4f"/>
+      <field name="u" type="v4u"/>
+      <field name="s" type="v4i"/>
+    </union>
+    <union id="vnh">
+      <field name="u" type="v8u"/>
+      <field name="s" type="v8i"/>
+    </union>
+    <union id="vnb">
+      <field name="u" type="v16u"/>
+      <field name="s" type="v16i"/>
+    </union>
+    <union id="vnq">
+      <field name="u" type="v1u"/>
+      <field name="s" type="v1i"/>
+    </union>
+    <union id="aarch64v">
+      <field name="d" type="vnd"/>
+      <field name="s" type="vns"/>
+      <field name="h" type="vnh"/>
+      <field name="b" type="vnb"/>
+      <field name="q" type="vnq"/>
+    </union>
+    <reg name="v0" bitsize="128" type="aarch64v" regnum="34"/>
+    <reg name="v1" bitsize="128" type="aarch64v" />
+    <reg name="v2" bitsize="128" type="aarch64v" />
+    <reg name="v3" bitsize="128" type="aarch64v" />
+    <reg name="v4" bitsize="128" type="aarch64v" />
+    <reg name="v5" bitsize="128" type="aarch64v" />
+    <reg name="v6" bitsize="128" type="aarch64v" />
+    <reg name="v7" bitsize="128" type="aarch64v" />
+    <reg name="v8" bitsize="128" type="aarch64v" />
+    <reg name="v9" bitsize="128" type="aarch64v" />
+    <reg name="v10" bitsize="128" type="aarch64v"/>
+    <reg name="v11" bitsize="128" type="aarch64v"/>
+    <reg name="v12" bitsize="128" type="aarch64v"/>
+    <reg name="v13" bitsize="128" type="aarch64v"/>
+    <reg name="v14" bitsize="128" type="aarch64v"/>
+    <reg name="v15" bitsize="128" type="aarch64v"/>
+    <reg name="v16" bitsize="128" type="aarch64v"/>
+    <reg name="v17" bitsize="128" type="aarch64v"/>
+    <reg name="v18" bitsize="128" type="aarch64v"/>
+    <reg name="v19" bitsize="128" type="aarch64v"/>
+    <reg name="v20" bitsize="128" type="aarch64v"/>
+    <reg name="v21" bitsize="128" type="aarch64v"/>
+    <reg name="v22" bitsize="128" type="aarch64v"/>
+    <reg name="v23" bitsize="128" type="aarch64v"/>
+    <reg name="v24" bitsize="128" type="aarch64v"/>
+    <reg name="v25" bitsize="128" type="aarch64v"/>
+    <reg name="v26" bitsize="128" type="aarch64v"/>
+    <reg name="v27" bitsize="128" type="aarch64v"/>
+    <reg name="v28" bitsize="128" type="aarch64v"/>
+    <reg name="v29" bitsize="128" type="aarch64v"/>
+    <reg name="v30" bitsize="128" type="aarch64v"/>
+    <reg name="v31" bitsize="128" type="aarch64v"/>
+    <reg name="fpsr" bitsize="32"/>
+    <reg name="fpcr" bitsize="32"/>
   </feature>
 </target>)";
 
@@ -121,12 +197,12 @@ std::string GDBStubA64::RegRead(const Kernel::KThread* thread, size_t id) const
         return ValueToHex(context.pc);
     } else if (id == PSTATE_REGISTER) {
         return ValueToHex(context.pstate);
-    } else if (id >= Q0_REGISTER && id < FPCR_REGISTER) {
+    } else if (id >= Q0_REGISTER && id < FPSR_REGISTER) {
         return ValueToHex(fprs[id - Q0_REGISTER]);
-    } else if (id == FPCR_REGISTER) {
-        return ValueToHex(context.fpcr);
     } else if (id == FPSR_REGISTER) {
         return ValueToHex(context.fpsr);
+    } else if (id == FPCR_REGISTER) {
+        return ValueToHex(context.fpcr);
     } else {
         return "";
     }
@@ -145,12 +221,12 @@ void GDBStubA64::RegWrite(Kernel::KThread* thread, size_t id, std::string_view v
         context.pc = HexToValue<u64>(value);
     } else if (id == PSTATE_REGISTER) {
         context.pstate = HexToValue<u32>(value);
-    } else if (id >= Q0_REGISTER && id < FPCR_REGISTER) {
+    } else if (id >= Q0_REGISTER && id < FPSR_REGISTER) {
         context.vector_registers[id - Q0_REGISTER] = HexToValue<u128>(value);
-    } else if (id == FPCR_REGISTER) {
-        context.fpcr = HexToValue<u32>(value);
     } else if (id == FPSR_REGISTER) {
         context.fpsr = HexToValue<u32>(value);
+    } else if (id == FPCR_REGISTER) {
+        context.fpcr = HexToValue<u32>(value);
     }
 }
 
@@ -195,6 +271,7 @@ std::string GDBStubA32::GetTargetXML() const {
         R"(<?xml version="1.0"?>
 <!DOCTYPE target SYSTEM "gdb-target.dtd">
 <target version="1.0">
+  <architecture>arm</architecture>
   <feature name="org.gnu.gdb.arm.core">
     <reg name="r0" bitsize="32" type="uint32"/>
     <reg name="r1" bitsize="32" type="uint32"/>

src/core/debugger/gdbstub_arch.h

@@ -15,6 +15,7 @@ namespace Core {
 
 class GDBStubArch {
 public:
+    virtual ~GDBStubArch() = default;
     virtual std::string GetTargetXML() const = 0;
     virtual std::string RegRead(const Kernel::KThread* thread, size_t id) const = 0;
     virtual void RegWrite(Kernel::KThread* thread, size_t id, std::string_view value) const = 0;
@@ -40,8 +41,8 @@ private:
     static constexpr u32 PC_REGISTER = 32;
     static constexpr u32 PSTATE_REGISTER = 33;
     static constexpr u32 Q0_REGISTER = 34;
-    static constexpr u32 FPCR_REGISTER = 66;
-    static constexpr u32 FPSR_REGISTER = 67;
+    static constexpr u32 FPSR_REGISTER = 66;
+    static constexpr u32 FPCR_REGISTER = 67;
 };
 
 class GDBStubA32 final : public GDBStubArch {

src/core/file_sys/content_archive.cpp

@@ -419,7 +419,7 @@ std::optional<Core::Crypto::Key128> NCA::GetKeyAreaKey(NCASectionCryptoType type
         Core::Crypto::Mode::ECB);
     cipher.Transcode(key_area.data(), key_area.size(), key_area.data(), Core::Crypto::Op::Decrypt);
 
-    Core::Crypto::Key128 out;
+    Core::Crypto::Key128 out{};
     if (type == NCASectionCryptoType::XTS) {
         std::copy(key_area.begin(), key_area.begin() + 0x10, out.begin());
     } else if (type == NCASectionCryptoType::CTR || type == NCASectionCryptoType::BKTR) {

src/core/file_sys/nca_patch.cpp

@@ -50,7 +50,7 @@ std::pair<std::size_t, std::size_t> SearchBucketEntry(u64 offset, const BlockTyp
             low = mid + 1;
         }
     }
-    UNREACHABLE_MSG("Offset could not be found in BKTR block.");
+    ASSERT_MSG(false, "Offset could not be found in BKTR block.");
     return {0, 0};
 }
 } // Anonymous namespace

src/core/file_sys/registered_cache.cpp

@@ -108,7 +108,7 @@ ContentRecordType GetCRTypeFromNCAType(NCAContentType type) {
         // TODO(DarkLordZach): Peek at NCA contents to differentiate Manual and Legal.
         return ContentRecordType::HtmlDocument;
     default:
-        UNREACHABLE_MSG("Invalid NCAContentType={:02X}", type);
+        ASSERT_MSG(false, "Invalid NCAContentType={:02X}", type);
         return ContentRecordType{};
     }
 }

src/core/file_sys/vfs_real.cpp

@@ -144,7 +144,7 @@ VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_
             LOG_ERROR(Service_FS, "Failed to open path {} in order to re-cache it", new_path);
         }
     } else {
-        UNREACHABLE();
+        ASSERT(false);
         return nullptr;
     }
 

src/core/frontend/applets/controller.cpp

@@ -65,7 +65,7 @@ void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callb
             controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::Handheld);
             controller->Connect(true);
         } else {
-            UNREACHABLE_MSG("Unable to add a new controller based on the given parameters!");
+            ASSERT_MSG(false, "Unable to add a new controller based on the given parameters!");
         }
     }
 

src/core/hid/hid_core.cpp

@@ -48,7 +48,7 @@ EmulatedController* HIDCore::GetEmulatedController(NpadIdType npad_id_type) {
         return handheld.get();
     case NpadIdType::Invalid:
     default:
-        UNREACHABLE_MSG("Invalid NpadIdType={}", npad_id_type);
+        ASSERT_MSG(false, "Invalid NpadIdType={}", npad_id_type);
         return nullptr;
     }
 }
@@ -77,7 +77,7 @@ const EmulatedController* HIDCore::GetEmulatedController(NpadIdType npad_id_type
         return handheld.get();
     case NpadIdType::Invalid:
     default:
-        UNREACHABLE_MSG("Invalid NpadIdType={}", npad_id_type);
+        ASSERT_MSG(false, "Invalid NpadIdType={}", npad_id_type);
         return nullptr;
     }
 }

src/core/hle/kernel/hle_ipc.h

@@ -141,7 +141,7 @@ public:
         if (index < DomainHandlerCount()) {
             domain_handlers[index] = nullptr;
         } else {
-            UNREACHABLE_MSG("Unexpected handler index {}", index);
+            ASSERT_MSG(false, "Unexpected handler index {}", index);
         }
     }
 

src/core/hle/kernel/init/init_slab_setup.cpp

@@ -244,7 +244,7 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
             FOREACH_SLAB_TYPE(INITIALIZE_SLAB_HEAP)
             // If we somehow get an invalid type, abort.
         default:
-            UNREACHABLE_MSG("Unknown slab type: {}", slab_types[i]);
+            ASSERT_MSG(false, "Unknown slab type: {}", slab_types[i]);
         }
 
         // If we've hit the end of a gap, free it.

src/core/hle/kernel/k_address_arbiter.h

@@ -35,7 +35,7 @@ public:
         case Svc::SignalType::SignalAndModifyByWaitingCountIfEqual:
             return SignalAndModifyByWaitingCountIfEqual(addr, value, count);
         }
-        UNREACHABLE();
+        ASSERT(false);
         return ResultUnknown;
     }
 
@@ -49,7 +49,7 @@ public:
         case Svc::ArbitrationType::WaitIfEqual:
             return WaitIfEqual(addr, value, timeout);
         }
-        UNREACHABLE();
+        ASSERT(false);
         return ResultUnknown;
     }
 

src/core/hle/kernel/k_address_space_info.cpp

@@ -84,7 +84,7 @@ u64 KAddressSpaceInfo::GetAddressSpaceStart(std::size_t width, Type type) {
         ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices39Bit[index]));
         return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].address;
     }
-    UNREACHABLE();
+    ASSERT(false);
     return 0;
 }
 
@@ -101,7 +101,7 @@ std::size_t KAddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type)
         ASSERT(IsAllowed39BitType(type));
         return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].size;
     }
-    UNREACHABLE();
+    ASSERT(false);
     return 0;
 }
 

src/core/hle/kernel/k_auto_object.h

@@ -18,7 +18,7 @@ namespace Kernel {
 class KernelCore;
 class KProcess;
 
-#define KERNEL_AUTOOBJECT_TRAITS(CLASS, BASE_CLASS)                                                \
+#define KERNEL_AUTOOBJECT_TRAITS_IMPL(CLASS, BASE_CLASS, ATTRIBUTE)                                \
                                                                                                    \
 private:                                                                                           \
     friend class ::Kernel::KClassTokenGenerator;                                                   \
@@ -40,16 +40,19 @@ public:
     static constexpr const char* GetStaticTypeName() {                                             \
         return TypeName;                                                                           \
     }                                                                                              \
-    virtual TypeObj GetTypeObj() const {                                                           \
+    virtual TypeObj GetTypeObj() ATTRIBUTE {                                                       \
         return GetStaticTypeObj();                                                                 \
     }                                                                                              \
-    virtual const char* GetTypeName() const {                                                      \
+    virtual const char* GetTypeName() ATTRIBUTE {                                                  \
         return GetStaticTypeName();                                                                \
     }                                                                                              \
                                                                                                    \
 private:                                                                                           \
     constexpr bool operator!=(const TypeObj& rhs)
 
+#define KERNEL_AUTOOBJECT_TRAITS(CLASS, BASE_CLASS)                                                \
+    KERNEL_AUTOOBJECT_TRAITS_IMPL(CLASS, BASE_CLASS, const override)
+
 class KAutoObject {
 protected:
     class TypeObj {
@@ -82,7 +85,7 @@ protected:
     };
 
 private:
-    KERNEL_AUTOOBJECT_TRAITS(KAutoObject, KAutoObject);
+    KERNEL_AUTOOBJECT_TRAITS_IMPL(KAutoObject, KAutoObject, const);
 
 public:
     explicit KAutoObject(KernelCore& kernel_) : kernel(kernel_) {

src/core/hle/kernel/k_class_token.h

@@ -49,6 +49,7 @@ private:
                 }
             }
         }
+        UNREACHABLE();
     }();
 
     template <typename T>

src/core/hle/kernel/k_code_memory.cpp

@@ -27,23 +27,18 @@ ResultCode KCodeMemory::Initialize(Core::DeviceMemory& device_memory, VAddr addr
     auto& page_table = m_owner->PageTable();
 
     // Construct the page group.
-    m_page_group =
-        KPageLinkedList(page_table.GetPhysicalAddr(addr), Common::DivideUp(size, PageSize));
+    m_page_group = {};
 
     // Lock the memory.
-    R_TRY(page_table.LockForCodeMemory(addr, size))
+    R_TRY(page_table.LockForCodeMemory(&m_page_group, addr, size))
 
     // Clear the memory.
-    //
-    // FIXME: this ends up clobbering address ranges outside the scope of the mapping within
-    // guest memory, and is not specifically required if the guest program is correctly
-    // written, so disable until this is further investigated.
-    //
-    // for (const auto& block : m_page_group.Nodes()) {
-    //     std::memset(device_memory.GetPointer(block.GetAddress()), 0xFF, block.GetSize());
-    // }
+    for (const auto& block : m_page_group.Nodes()) {
+        std::memset(device_memory.GetPointer(block.GetAddress()), 0xFF, block.GetSize());
+    }
 
     // Set remaining tracking members.
+    m_owner->Open();
     m_address = addr;
     m_is_initialized = true;
     m_is_owner_mapped = false;
@@ -57,8 +52,14 @@ void KCodeMemory::Finalize() {
     // Unlock.
     if (!m_is_mapped && !m_is_owner_mapped) {
         const size_t size = m_page_group.GetNumPages() * PageSize;
-        m_owner->PageTable().UnlockForCodeMemory(m_address, size);
+        m_owner->PageTable().UnlockForCodeMemory(m_address, size, m_page_group);
     }
+
+    // Close the page group.
+    m_page_group = {};
+
+    // Close our reference to our owner.
+    m_owner->Close();
 }
 
 ResultCode KCodeMemory::Map(VAddr address, size_t size) {
@@ -118,7 +119,8 @@ ResultCode KCodeMemory::MapToOwner(VAddr address, size_t size, Svc::MemoryPermis
         k_perm = KMemoryPermission::UserReadExecute;
         break;
     default:
-        break;
+        // Already validated by ControlCodeMemory svc
+        UNREACHABLE();
     }
 
     // Map the memory.

src/core/hle/kernel/k_memory_manager.cpp

@@ -29,7 +29,7 @@ constexpr KMemoryManager::Pool GetPoolFromMemoryRegionType(u32 type) {
     } else if ((type | KMemoryRegionType_DramSystemNonSecurePool) == type) {
         return KMemoryManager::Pool::SystemNonSecure;
     } else {
-        UNREACHABLE_MSG("InvalidMemoryRegionType for conversion to Pool");
+        ASSERT_MSG(false, "InvalidMemoryRegionType for conversion to Pool");
         return {};
     }
 }

src/core/hle/kernel/k_page_table.cpp

@@ -35,7 +35,7 @@ constexpr std::size_t GetAddressSpaceWidthFromType(FileSys::ProgramAddressSpaceT
     case FileSys::ProgramAddressSpaceType::Is39Bit:
         return 39;
     default:
-        UNREACHABLE();
+        ASSERT(false);
         return {};
     }
 }
@@ -128,7 +128,7 @@ ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_
     const std::size_t needed_size{
         (alias_region_size + heap_region_size + stack_region_size + kernel_map_region_size)};
     if (alloc_size < needed_size) {
-        UNREACHABLE();
+        ASSERT(false);
         return ResultOutOfMemory;
     }
 
@@ -542,6 +542,95 @@ ResultCode KPageTable::MakePageGroup(KPageLinkedList& pg, VAddr addr, size_t num
     return ResultSuccess;
 }
 
+bool KPageTable::IsValidPageGroup(const KPageLinkedList& pg_ll, VAddr addr, size_t num_pages) {
+    ASSERT(this->IsLockedByCurrentThread());
+
+    const size_t size = num_pages * PageSize;
+    const auto& pg = pg_ll.Nodes();
+    const auto& memory_layout = system.Kernel().MemoryLayout();
+
+    // Empty groups are necessarily invalid.
+    if (pg.empty()) {
+        return false;
+    }
+
+    // We're going to validate that the group we'd expect is the group we see.
+    auto cur_it = pg.begin();
+    PAddr cur_block_address = cur_it->GetAddress();
+    size_t cur_block_pages = cur_it->GetNumPages();
+
+    auto UpdateCurrentIterator = [&]() {
+        if (cur_block_pages == 0) {
+            if ((++cur_it) == pg.end()) {
+                return false;
+            }
+
+            cur_block_address = cur_it->GetAddress();
+            cur_block_pages = cur_it->GetNumPages();
+        }
+        return true;
+    };
+
+    // Begin traversal.
+    Common::PageTable::TraversalContext context;
+    Common::PageTable::TraversalEntry next_entry;
+    if (!page_table_impl.BeginTraversal(next_entry, context, addr)) {
+        return false;
+    }
+
+    // Prepare tracking variables.
+    PAddr cur_addr = next_entry.phys_addr;
+    size_t cur_size = next_entry.block_size - (cur_addr & (next_entry.block_size - 1));
+    size_t tot_size = cur_size;
+
+    // Iterate, comparing expected to actual.
+    while (tot_size < size) {
+        if (!page_table_impl.ContinueTraversal(next_entry, context)) {
+            return false;
+        }
+
+        if (next_entry.phys_addr != (cur_addr + cur_size)) {
+            const size_t cur_pages = cur_size / PageSize;
+
+            if (!IsHeapPhysicalAddress(memory_layout, cur_addr)) {
+                return false;
+            }
+
+            if (!UpdateCurrentIterator()) {
+                return false;
+            }
+
+            if (cur_block_address != cur_addr || cur_block_pages < cur_pages) {
+                return false;
+            }
+
+            cur_block_address += cur_size;
+            cur_block_pages -= cur_pages;
+            cur_addr = next_entry.phys_addr;
+            cur_size = next_entry.block_size;
+        } else {
+            cur_size += next_entry.block_size;
+        }
+
+        tot_size += next_entry.block_size;
+    }
+
+    // Ensure we compare the right amount for the last block.
+    if (tot_size > size) {
+        cur_size -= (tot_size - size);
+    }
+
+    if (!IsHeapPhysicalAddress(memory_layout, cur_addr)) {
+        return false;
+    }
+
+    if (!UpdateCurrentIterator()) {
+        return false;
+    }
+
+    return cur_block_address == cur_addr && cur_block_pages == (cur_size / PageSize);
+}
+
 ResultCode KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size,
                                           KPageTable& src_page_table, VAddr src_addr) {
     KScopedLightLock lk(general_lock);
@@ -1341,7 +1430,7 @@ ResultCode KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
             new_state = KMemoryState::AliasCodeData;
             break;
         default:
-            UNREACHABLE();
+            ASSERT(false);
         }
     }
 
@@ -1687,22 +1776,22 @@ ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size)
     return ResultSuccess;
 }
 
-ResultCode KPageTable::LockForCodeMemory(VAddr addr, std::size_t size) {
+ResultCode KPageTable::LockForCodeMemory(KPageLinkedList* out, VAddr addr, std::size_t size) {
     return this->LockMemoryAndOpen(
-        nullptr, nullptr, addr, size, KMemoryState::FlagCanCodeMemory,
-        KMemoryState::FlagCanCodeMemory, KMemoryPermission::All, KMemoryPermission::UserReadWrite,
-        KMemoryAttribute::All, KMemoryAttribute::None,
+        out, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory,
+        KMemoryPermission::All, KMemoryPermission::UserReadWrite, KMemoryAttribute::All,
+        KMemoryAttribute::None,
         static_cast<KMemoryPermission>(KMemoryPermission::NotMapped |
                                        KMemoryPermission::KernelReadWrite),
         KMemoryAttribute::Locked);
 }
 
-ResultCode KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size) {
-    return this->UnlockMemory(addr, size, KMemoryState::FlagCanCodeMemory,
-                              KMemoryState::FlagCanCodeMemory, KMemoryPermission::None,
-                              KMemoryPermission::None, KMemoryAttribute::All,
-                              KMemoryAttribute::Locked, KMemoryPermission::UserReadWrite,
-                              KMemoryAttribute::Locked, nullptr);
+ResultCode KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size,
+                                           const KPageLinkedList& pg) {
+    return this->UnlockMemory(
+        addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory,
+        KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::All,
+        KMemoryAttribute::Locked, KMemoryPermission::UserReadWrite, KMemoryAttribute::Locked, &pg);
 }
 
 ResultCode KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
@@ -1734,9 +1823,7 @@ void KPageTable::AddRegionToPages(VAddr start, std::size_t num_pages,
     VAddr addr{start};
     while (addr < start + (num_pages * PageSize)) {
         const PAddr paddr{GetPhysicalAddr(addr)};
-        if (!paddr) {
-            UNREACHABLE();
-        }
+        ASSERT(paddr != 0);
         page_linked_list.AddBlock(paddr, 1);
         addr += PageSize;
     }
@@ -1767,7 +1854,7 @@ ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLin
             system.Memory().MapMemoryRegion(page_table_impl, addr, size, node.GetAddress());
             break;
         default:
-            UNREACHABLE();
+            ASSERT(false);
         }
 
         addr += size;
@@ -1798,7 +1885,7 @@ ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermiss
     case OperationType::ChangePermissionsAndRefresh:
         break;
     default:
-        UNREACHABLE();
+        ASSERT(false);
     }
     return ResultSuccess;
 }
@@ -1835,7 +1922,6 @@ VAddr KPageTable::GetRegionAddress(KMemoryState state) const {
         return code_region_start;
     default:
         UNREACHABLE();
-        return {};
     }
 }
 
@@ -1871,7 +1957,6 @@ std::size_t KPageTable::GetRegionSize(KMemoryState state) const {
         return code_region_end - code_region_start;
     default:
         UNREACHABLE();
-        return {};
     }
 }
 
@@ -2125,7 +2210,7 @@ ResultCode KPageTable::UnlockMemory(VAddr addr, size_t size, KMemoryState state_
 
     // Check the page group.
     if (pg != nullptr) {
-        UNIMPLEMENTED_MSG("PageGroup support is unimplemented!");
+        R_UNLESS(this->IsValidPageGroup(*pg, addr, num_pages), ResultInvalidMemoryRegion);
     }
 
     // Decide on new perm and attr.

src/core/hle/kernel/k_page_table.h

@@ -72,8 +72,8 @@ public:
                                           KMemoryPermission perm, PAddr map_addr = 0);
     ResultCode LockForDeviceAddressSpace(VAddr addr, std::size_t size);
     ResultCode UnlockForDeviceAddressSpace(VAddr addr, std::size_t size);
-    ResultCode LockForCodeMemory(VAddr addr, std::size_t size);
-    ResultCode UnlockForCodeMemory(VAddr addr, std::size_t size);
+    ResultCode LockForCodeMemory(KPageLinkedList* out, VAddr addr, std::size_t size);
+    ResultCode UnlockForCodeMemory(VAddr addr, std::size_t size, const KPageLinkedList& pg);
     ResultCode MakeAndOpenPageGroup(KPageLinkedList* out, VAddr address, size_t num_pages,
                                     KMemoryState state_mask, KMemoryState state,
                                     KMemoryPermission perm_mask, KMemoryPermission perm,
@@ -178,6 +178,7 @@ private:
                             const KPageLinkedList* pg);
 
     ResultCode MakePageGroup(KPageLinkedList& pg, VAddr addr, size_t num_pages);
+    bool IsValidPageGroup(const KPageLinkedList& pg, VAddr addr, size_t num_pages);
 
     bool IsLockedByCurrentThread() const {
         return general_lock.IsLockedByCurrentThread();

src/core/hle/kernel/k_port.cpp

@@ -60,7 +60,7 @@ ResultCode KPort::EnqueueSession(KServerSession* session) {
     if (auto session_ptr = server.GetSessionRequestHandler().lock()) {
         session_ptr->ClientConnected(server.AcceptSession());
     } else {
-        UNREACHABLE();
+        ASSERT(false);
     }
 
     return ResultSuccess;

src/core/hle/kernel/k_process.cpp

@@ -350,7 +350,7 @@ ResultCode KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
         break;
 
     default:
-        UNREACHABLE();
+        ASSERT(false);
     }
 
     // Create TLS region

src/core/hle/kernel/k_server_session.cpp

@@ -97,13 +97,13 @@ ResultCode KServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& co
                          "object_id {} is too big! This probably means a recent service call "
                          "to {} needed to return a new interface!",
                          object_id, name);
-            UNREACHABLE();
+            ASSERT(false);
             return ResultSuccess; // Ignore error if asserts are off
         }
         if (auto strong_ptr = manager->DomainHandler(object_id - 1).lock()) {
             return strong_ptr->HandleSyncRequest(*this, context);
         } else {
-            UNREACHABLE();
+            ASSERT(false);
             return ResultSuccess;
         }
 

src/core/hle/kernel/k_thread.cpp

@@ -133,7 +133,7 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
         UNIMPLEMENTED();
         break;
     default:
-        UNREACHABLE_MSG("KThread::Initialize: Unknown ThreadType {}", static_cast<u32>(type));
+        ASSERT_MSG(false, "KThread::Initialize: Unknown ThreadType {}", static_cast<u32>(type));
         break;
     }
     thread_type = type;
@@ -198,6 +198,10 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
     resource_limit_release_hint = false;
     cpu_time = 0;
 
+    // Set debug context.
+    stack_top = user_stack_top;
+    argument = arg;
+
     // Clear our stack parameters.
     std::memset(static_cast<void*>(std::addressof(GetStackParameters())), 0,
                 sizeof(StackParameters));

src/core/hle/kernel/k_thread.h

@@ -100,6 +100,12 @@ enum class ThreadWaitReasonForDebugging : u32 {
     Suspended,       ///< Thread is waiting due to process suspension
 };
 
+enum class StepState : u32 {
+    NotStepping,   ///< Thread is not currently stepping
+    StepPending,   ///< Thread will step when next scheduled
+    StepPerformed, ///< Thread has stepped, waiting to be scheduled again
+};
+
 [[nodiscard]] KThread* GetCurrentThreadPointer(KernelCore& kernel);
 [[nodiscard]] KThread& GetCurrentThread(KernelCore& kernel);
 [[nodiscard]] s32 GetCurrentCoreId(KernelCore& kernel);
@@ -267,6 +273,14 @@ public:
 
     void SetState(ThreadState state);
 
+    [[nodiscard]] StepState GetStepState() const {
+        return step_state;
+    }
+
+    void SetStepState(StepState state) {
+        step_state = state;
+    }
+
     [[nodiscard]] s64 GetLastScheduledTick() const {
         return last_scheduled_tick;
     }
@@ -646,6 +660,14 @@ public:
     void IfDummyThreadTryWait();
     void IfDummyThreadEndWait();
 
+    [[nodiscard]] uintptr_t GetArgument() const {
+        return argument;
+    }
+
+    [[nodiscard]] VAddr GetUserStackTop() const {
+        return stack_top;
+    }
+
 private:
     static constexpr size_t PriorityInheritanceCountMax = 10;
     union SyncObjectBuffer {
@@ -769,6 +791,7 @@ private:
     std::shared_ptr<Common::Fiber> host_context{};
     bool is_single_core{};
     ThreadType thread_type{};
+    StepState step_state{};
     std::mutex dummy_wait_lock;
     std::condition_variable dummy_wait_cv;
 
@@ -776,6 +799,8 @@ private:
     std::vector<KSynchronizationObject*> wait_objects_for_debugging;
     VAddr mutex_wait_address_for_debugging{};
     ThreadWaitReasonForDebugging wait_reason_for_debugging{};
+    uintptr_t argument;
+    VAddr stack_top;
 
 public:
     using ConditionVariableThreadTreeType = ConditionVariableThreadTree;

src/core/hle/kernel/kernel.cpp

@@ -212,7 +212,9 @@ struct KernelCore::Impl {
         system_resource_limit = KResourceLimit::Create(system.Kernel());
         system_resource_limit->Initialize(&core_timing);
 
-        const auto [total_size, kernel_size] = memory_layout->GetTotalAndKernelMemorySizes();
+        const auto sizes{memory_layout->GetTotalAndKernelMemorySizes()};
+        const auto total_size{sizes.first};
+        const auto kernel_size{sizes.second};
 
         // If setting the default system values fails, then something seriously wrong has occurred.
         ASSERT(system_resource_limit->SetLimitValue(LimitableResource::PhysicalMemory, total_size)
@@ -252,6 +254,7 @@ struct KernelCore::Impl {
                                                          core_id)
                        .IsSuccess());
             suspend_threads[core_id]->SetName(fmt::format("SuspendThread:{}", core_id));
+            suspend_threads[core_id]->DisableDispatch();
         }
     }
 
@@ -1073,9 +1076,6 @@ void KernelCore::Suspend(bool in_suspention) {
             impl->suspend_threads[core_id]->SetState(state);
             impl->suspend_threads[core_id]->SetWaitReasonForDebugging(
                 ThreadWaitReasonForDebugging::Suspended);
-            if (!should_suspend) {
-                impl->suspend_threads[core_id]->DisableDispatch();
-            }
         }
     }
 }

src/core/hle/kernel/svc.cpp

@@ -1876,7 +1876,7 @@ static void SleepThread(Core::System& system, s64 nanoseconds) {
         KScheduler::YieldToAnyThread(kernel);
     } else {
         // Nintendo does nothing at all if an otherwise invalid value is passed.
-        UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds);
+        ASSERT_MSG(false, "Unimplemented sleep yield type '{:016X}'!", nanoseconds);
     }
 }
 

src/core/hle/service/am/applets/applet_controller.cpp

@@ -178,7 +178,7 @@ ResultCode Controller::GetStatus() const {
 }
 
 void Controller::ExecuteInteractive() {
-    UNREACHABLE_MSG("Attempted to call interactive execution on non-interactive applet.");
+    ASSERT_MSG(false, "Attempted to call interactive execution on non-interactive applet.");
 }
 
 void Controller::Execute() {

src/core/hle/service/am/applets/applet_error.cpp

@@ -156,7 +156,7 @@ ResultCode Error::GetStatus() const {
 }
 
 void Error::ExecuteInteractive() {
-    UNREACHABLE_MSG("Unexpected interactive applet data!");
+    ASSERT_MSG(false, "Unexpected interactive applet data!");
 }
 
 void Error::Execute() {

src/core/hle/service/am/applets/applet_general_backend.cpp

@@ -76,7 +76,7 @@ ResultCode Auth::GetStatus() const {
 }
 
 void Auth::ExecuteInteractive() {
-    UNREACHABLE_MSG("Unexpected interactive applet data.");
+    ASSERT_MSG(false, "Unexpected interactive applet data.");
 }
 
 void Auth::Execute() {
@@ -175,7 +175,7 @@ ResultCode PhotoViewer::GetStatus() const {
 }
 
 void PhotoViewer::ExecuteInteractive() {
-    UNREACHABLE_MSG("Unexpected interactive applet data.");
+    ASSERT_MSG(false, "Unexpected interactive applet data.");
 }
 
 void PhotoViewer::Execute() {

src/core/hle/service/am/applets/applet_mii_edit.cpp

@@ -67,7 +67,7 @@ ResultCode MiiEdit::GetStatus() const {
 }
 
 void MiiEdit::ExecuteInteractive() {
-    UNREACHABLE_MSG("Attempted to call interactive execution on non-interactive applet.");
+    ASSERT_MSG(false, "Attempted to call interactive execution on non-interactive applet.");
 }
 
 void MiiEdit::Execute() {

src/core/hle/service/am/applets/applet_profile_select.cpp

@@ -44,7 +44,7 @@ ResultCode ProfileSelect::GetStatus() const {
 }
 
 void ProfileSelect::ExecuteInteractive() {
-    UNREACHABLE_MSG("Attempted to call interactive execution on non-interactive applet.");
+    ASSERT_MSG(false, "Attempted to call interactive execution on non-interactive applet.");
 }
 
 void ProfileSelect::Execute() {

src/core/hle/service/am/applets/applet_software_keyboard.cpp

@@ -71,7 +71,7 @@ void SoftwareKeyboard::Initialize() {
         InitializeBackground(applet_mode);
         break;
     default:
-        UNREACHABLE_MSG("Invalid LibraryAppletMode={}", applet_mode);
+        ASSERT_MSG(false, "Invalid LibraryAppletMode={}", applet_mode);
         break;
     }
 }

src/core/hle/service/am/applets/applet_web_browser.cpp

@@ -279,7 +279,7 @@ void WebBrowser::Initialize() {
         InitializeLobby();
         break;
     default:
-        UNREACHABLE_MSG("Invalid ShimKind={}", web_arg_header.shim_kind);
+        ASSERT_MSG(false, "Invalid ShimKind={}", web_arg_header.shim_kind);
         break;
     }
 }
@@ -320,7 +320,7 @@ void WebBrowser::Execute() {
         ExecuteLobby();
         break;
     default:
-        UNREACHABLE_MSG("Invalid ShimKind={}", web_arg_header.shim_kind);
+        ASSERT_MSG(false, "Invalid ShimKind={}", web_arg_header.shim_kind);
         WebBrowserExit(WebExitReason::EndButtonPressed);
         break;
     }

src/core/hle/service/filesystem/fsp_srv.cpp

@@ -899,7 +899,7 @@ void FSP_SRV::OpenSaveDataFileSystem(Kernel::HLERequestContext& ctx) {
     case FileSys::SaveDataSpaceId::TemporaryStorage:
     case FileSys::SaveDataSpaceId::ProperSystem:
     case FileSys::SaveDataSpaceId::SafeMode:
-        UNREACHABLE();
+        ASSERT(false);
     }
 
     auto filesystem = std::make_shared<IFileSystem>(system, std::move(dir.Unwrap()),

src/core/hle/service/hid/controllers/gesture.cpp

@@ -61,6 +61,7 @@ void Controller_Gesture::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
     }
 
     last_update_timestamp = shared_memory->gesture_lifo.timestamp;
+    UpdateGestureSharedMemory(gesture, time_difference);
 }
 
 void Controller_Gesture::ReadTouchInput() {
@@ -94,8 +95,7 @@ bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
     return false;
 }
 
-void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
-                                                   GestureProperties& gesture,
+void Controller_Gesture::UpdateGestureSharedMemory(GestureProperties& gesture,
                                                    f32 time_difference) {
     GestureType type = GestureType::Idle;
     GestureAttribute attributes{};

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

@@ -107,8 +107,7 @@ private:
     bool ShouldUpdateGesture(const GestureProperties& gesture, f32 time_difference);
 
     // Updates the shared memory to the next state
-    void UpdateGestureSharedMemory(u8* data, std::size_t size, GestureProperties& gesture,
-                                   f32 time_difference);
+    void UpdateGestureSharedMemory(GestureProperties& gesture, f32 time_difference);
 
     // Initializes new gesture
     void NewGesture(GestureProperties& gesture, GestureType& type, GestureAttribute& attributes);

src/core/hle/service/hid/controllers/npad.cpp

@@ -160,7 +160,7 @@ void Controller_NPad::InitNewlyAddedController(Core::HID::NpadIdType npad_id) {
     shared_memory->system_properties.raw = 0;
     switch (controller_type) {
     case Core::HID::NpadStyleIndex::None:
-        UNREACHABLE();
+        ASSERT(false);
         break;
     case Core::HID::NpadStyleIndex::ProController:
         shared_memory->style_tag.fullkey.Assign(1);
@@ -422,7 +422,7 @@ void Controller_NPad::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
         libnx_state.connection_status.is_connected.Assign(1);
         switch (controller_type) {
         case Core::HID::NpadStyleIndex::None:
-            UNREACHABLE();
+            ASSERT(false);
             break;
         case Core::HID::NpadStyleIndex::ProController:
         case Core::HID::NpadStyleIndex::NES:
@@ -597,7 +597,7 @@ void Controller_NPad::OnMotionUpdate(const Core::Timing::CoreTiming& core_timing
 
         switch (controller_type) {
         case Core::HID::NpadStyleIndex::None:
-            UNREACHABLE();
+            ASSERT(false);
             break;
         case Core::HID::NpadStyleIndex::ProController:
         case Core::HID::NpadStyleIndex::Pokeball:
@@ -856,7 +856,7 @@ void Controller_NPad::VibrateController(
     }
 
     if (vibration_device_handle.device_index == Core::HID::DeviceIndex::None) {
-        UNREACHABLE_MSG("DeviceIndex should never be None!");
+        ASSERT_MSG(false, "DeviceIndex should never be None!");
         return;
     }
 

src/core/hle/service/hid/hid.cpp

@@ -1441,7 +1441,7 @@ void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
         break;
     case Core::HID::DeviceIndex::None:
     default:
-        UNREACHABLE_MSG("DeviceIndex should never be None!");
+        ASSERT_MSG(false, "DeviceIndex should never be None!");
         vibration_device_info.position = Core::HID::VibrationDevicePosition::None;
         break;
     }

src/core/hle/service/hid/irs.cpp

@@ -5,7 +5,9 @@
 #include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_shared_memory.h"
+#include "core/hle/kernel/k_transfer_memory.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/service/hid/errors.h"
 #include "core/hle/service/hid/irs.h"
 
 namespace Service::HID {
@@ -38,21 +40,32 @@ IRS::IRS(Core::System& system_) : ServiceFramework{system_, "irs"} {
 }
 
 void IRS::ActivateIrsensor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}",
+                applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::DeactivateIrsensor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}",
+                applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::GetIrsensorSharedMemoryHandle(Kernel::HLERequestContext& ctx) {
-    LOG_DEBUG(Service_IRS, "called");
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_IRS, "called, applet_resource_user_id={}", applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
@@ -60,35 +73,109 @@ void IRS::GetIrsensorSharedMemoryHandle(Kernel::HLERequestContext& ctx) {
 }
 
 void IRS::StopImageProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+    };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::RunMomentProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+        PackedMomentProcessorConfig processor_config;
+    };
+    static_assert(sizeof(Parameters) == 0x30, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::RunClusteringProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+        PackedClusteringProcessorConfig processor_config;
+    };
+    static_assert(sizeof(Parameters) == 0x40, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::RunImageTransferProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+        PackedImageTransferProcessorConfig processor_config;
+        u32 transfer_memory_size;
+    };
+    static_assert(sizeof(Parameters) == 0x30, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+    const auto t_mem_handle{ctx.GetCopyHandle(0)};
+
+    auto t_mem =
+        system.CurrentProcess()->GetHandleTable().GetObject<Kernel::KTransferMemory>(t_mem_handle);
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, transfer_memory_size={}, "
+                "applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.transfer_memory_size, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::GetImageTransferProcessorState(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+    };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 5};
     rb.Push(ResultSuccess);
@@ -97,71 +184,195 @@ void IRS::GetImageTransferProcessorState(Kernel::HLERequestContext& ctx) {
 }
 
 void IRS::RunTeraPluginProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto camera_handle{rp.PopRaw<IrCameraHandle>()};
+    const auto processor_config{rp.PopRaw<PackedTeraPluginProcessorConfig>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, mode={}, mcu_version={}.{}, "
+                "applet_resource_user_id={}",
+                camera_handle.npad_type, camera_handle.npad_id, processor_config.mode,
+                processor_config.required_mcu_version.major,
+                processor_config.required_mcu_version.minor, applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::GetNpadIrCameraHandle(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto npad_id{rp.PopEnum<Core::HID::NpadIdType>()};
+
+    if (npad_id > Core::HID::NpadIdType::Player8 && npad_id != Core::HID::NpadIdType::Invalid &&
+        npad_id != Core::HID::NpadIdType::Handheld) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(InvalidNpadId);
+        return;
+    }
+
+    IrCameraHandle camera_handle{
+        .npad_id = static_cast<u8>(NpadIdTypeToIndex(npad_id)),
+        .npad_type = Core::HID::NpadStyleIndex::None,
+    };
+
+    LOG_WARNING(Service_IRS, "(STUBBED) called, npad_id={}, camera_npad_id={}, camera_npad_type={}",
+                npad_id, camera_handle.npad_id, camera_handle.npad_type);
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
-    rb.PushRaw<u32>(device_handle);
+    rb.PushRaw(camera_handle);
 }
 
 void IRS::RunPointingProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto camera_handle{rp.PopRaw<IrCameraHandle>()};
+    const auto processor_config{rp.PopRaw<PackedPointingProcessorConfig>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(
+        Service_IRS,
+        "(STUBBED) called, npad_type={}, npad_id={}, mcu_version={}.{}, applet_resource_user_id={}",
+        camera_handle.npad_type, camera_handle.npad_id, processor_config.required_mcu_version.major,
+        processor_config.required_mcu_version.minor, applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::SuspendImageProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+    };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::CheckFirmwareVersion(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto camera_handle{rp.PopRaw<IrCameraHandle>()};
+    const auto mcu_version{rp.PopRaw<PackedMcuVersion>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(
+        Service_IRS,
+        "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}, mcu_version={}.{}",
+        camera_handle.npad_type, camera_handle.npad_id, applet_resource_user_id, mcu_version.major,
+        mcu_version.minor);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::SetFunctionLevel(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        PackedFunctionLevel function_level;
+        u64 applet_resource_user_id;
+    };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::RunImageTransferExProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+        PackedImageTransferProcessorExConfig processor_config;
+        u64 transfer_memory_size;
+    };
+    static_assert(sizeof(Parameters) == 0x38, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+    const auto t_mem_handle{ctx.GetCopyHandle(0)};
+
+    auto t_mem =
+        system.CurrentProcess()->GetHandleTable().GetObject<Kernel::KTransferMemory>(t_mem_handle);
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, transfer_memory_size={}, "
+                "applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.transfer_memory_size, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::RunIrLedProcessor(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto camera_handle{rp.PopRaw<IrCameraHandle>()};
+    const auto processor_config{rp.PopRaw<PackedIrLedProcessorConfig>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, light_target={}, mcu_version={}.{} "
+                "applet_resource_user_id={}",
+                camera_handle.npad_type, camera_handle.npad_id, processor_config.light_target,
+                processor_config.required_mcu_version.major,
+                processor_config.required_mcu_version.minor, applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::StopImageProcessorAsync(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        IrCameraHandle camera_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+    };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS,
+                "(STUBBED) called, npad_type={}, npad_id={}, applet_resource_user_id={}",
+                parameters.camera_handle.npad_type, parameters.camera_handle.npad_id,
+                parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
 void IRS::ActivateIrsensorWithFunctionLevel(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_IRS, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        PackedFunctionLevel function_level;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+    };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
+
+    LOG_WARNING(Service_IRS, "(STUBBED) called, function_level={}, applet_resource_user_id={}",
+                parameters.function_level.function_level, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);

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

@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include "core/hid/hid_types.h"
 #include "core/hle/service/service.h"
 
 namespace Core {
@@ -17,6 +18,235 @@ public:
     ~IRS() override;
 
 private:
+    // This is nn::irsensor::IrCameraStatus
+    enum IrCameraStatus : u32 {
+        Available,
+        Unsupported,
+        Unconnected,
+    };
+
+    // This is nn::irsensor::IrCameraInternalStatus
+    enum IrCameraInternalStatus : u32 {
+        Stopped,
+        FirmwareUpdateNeeded,
+        Unkown2,
+        Unkown3,
+        Unkown4,
+        FirmwareVersionRequested,
+        FirmwareVersionIsInvalid,
+        Ready,
+        Setting,
+    };
+
+    // This is nn::irsensor::detail::StatusManager::IrSensorMode
+    enum IrSensorMode : u64 {
+        None,
+        MomentProcessor,
+        ClusteringProcessor,
+        ImageTransferProcessor,
+        PointingProcessorMarker,
+        TeraPluginProcessor,
+        IrLedProcessor,
+    };
+
+    // This is nn::irsensor::ImageProcessorStatus
+    enum ImageProcessorStatus : u8 {
+        stopped,
+        running,
+    };
+
+    // This is nn::irsensor::ImageTransferProcessorFormat
+    enum ImageTransferProcessorFormat : u8 {
+        Size320x240,
+        Size160x120,
+        Size80x60,
+        Size40x30,
+        Size20x15,
+    };
+
+    // This is nn::irsensor::AdaptiveClusteringMode
+    enum AdaptiveClusteringMode : u8 {
+        StaticFov,
+        DynamicFov,
+    };
+
+    // This is nn::irsensor::AdaptiveClusteringTargetDistance
+    enum AdaptiveClusteringTargetDistance : u8 {
+        Near,
+        Middle,
+        Far,
+    };
+
+    // This is nn::irsensor::IrsHandAnalysisMode
+    enum IrsHandAnalysisMode : u8 {
+        Silhouette,
+        Image,
+        SilhoueteAndImage,
+        SilhuetteOnly,
+    };
+
+    // This is nn::irsensor::IrSensorFunctionLevel
+    enum IrSensorFunctionLevel : u8 {
+        unknown0,
+        unknown1,
+        unknown2,
+        unknown3,
+        unknown4,
+    };
+
+    // This is nn::irsensor::IrCameraHandle
+    struct IrCameraHandle {
+        u8 npad_id{};
+        Core::HID::NpadStyleIndex npad_type{Core::HID::NpadStyleIndex::None};
+        INSERT_PADDING_BYTES(2);
+    };
+    static_assert(sizeof(IrCameraHandle) == 4, "IrCameraHandle is an invalid size");
+
+    struct IrsRect {
+        s16 x;
+        s16 y;
+        s16 width;
+        s16 height;
+    };
+
+    // This is nn::irsensor::PackedMcuVersion
+    struct PackedMcuVersion {
+        u16 major;
+        u16 minor;
+    };
+    static_assert(sizeof(PackedMcuVersion) == 4, "PackedMcuVersion is an invalid size");
+
+    // This is nn::irsensor::MomentProcessorConfig
+    struct MomentProcessorConfig {
+        u64 exposire_time;
+        u8 light_target;
+        u8 gain;
+        u8 is_negative_used;
+        INSERT_PADDING_BYTES(7);
+        IrsRect window_of_interest;
+        u8 preprocess;
+        u8 preprocess_intensity_threshold;
+        INSERT_PADDING_BYTES(5);
+    };
+    static_assert(sizeof(MomentProcessorConfig) == 0x28,
+                  "MomentProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::PackedMomentProcessorConfig
+    struct PackedMomentProcessorConfig {
+        u64 exposire_time;
+        u8 light_target;
+        u8 gain;
+        u8 is_negative_used;
+        INSERT_PADDING_BYTES(5);
+        IrsRect window_of_interest;
+        PackedMcuVersion required_mcu_version;
+        u8 preprocess;
+        u8 preprocess_intensity_threshold;
+        INSERT_PADDING_BYTES(2);
+    };
+    static_assert(sizeof(PackedMomentProcessorConfig) == 0x20,
+                  "PackedMomentProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::ClusteringProcessorConfig
+    struct ClusteringProcessorConfig {
+        u64 exposire_time;
+        u32 light_target;
+        u32 gain;
+        u8 is_negative_used;
+        INSERT_PADDING_BYTES(7);
+        IrsRect window_of_interest;
+        u32 pixel_count_min;
+        u32 pixel_count_max;
+        u32 object_intensity_min;
+        u8 is_external_light_filter_enabled;
+        INSERT_PADDING_BYTES(3);
+    };
+    static_assert(sizeof(ClusteringProcessorConfig) == 0x30,
+                  "ClusteringProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::PackedClusteringProcessorConfig
+    struct PackedClusteringProcessorConfig {
+        u64 exposire_time;
+        u8 light_target;
+        u8 gain;
+        u8 is_negative_used;
+        INSERT_PADDING_BYTES(5);
+        IrsRect window_of_interest;
+        PackedMcuVersion required_mcu_version;
+        u32 pixel_count_min;
+        u32 pixel_count_max;
+        u32 object_intensity_min;
+        u8 is_external_light_filter_enabled;
+        INSERT_PADDING_BYTES(2);
+    };
+    static_assert(sizeof(PackedClusteringProcessorConfig) == 0x30,
+                  "PackedClusteringProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::PackedImageTransferProcessorConfig
+    struct PackedImageTransferProcessorConfig {
+        u64 exposire_time;
+        u8 light_target;
+        u8 gain;
+        u8 is_negative_used;
+        INSERT_PADDING_BYTES(5);
+        PackedMcuVersion required_mcu_version;
+        u8 format;
+        INSERT_PADDING_BYTES(3);
+    };
+    static_assert(sizeof(PackedImageTransferProcessorConfig) == 0x18,
+                  "PackedImageTransferProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::PackedTeraPluginProcessorConfig
+    struct PackedTeraPluginProcessorConfig {
+        PackedMcuVersion required_mcu_version;
+        u8 mode;
+        INSERT_PADDING_BYTES(3);
+    };
+    static_assert(sizeof(PackedTeraPluginProcessorConfig) == 0x8,
+                  "PackedTeraPluginProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::PackedPointingProcessorConfig
+    struct PackedPointingProcessorConfig {
+        IrsRect window_of_interest;
+        PackedMcuVersion required_mcu_version;
+    };
+    static_assert(sizeof(PackedPointingProcessorConfig) == 0xC,
+                  "PackedPointingProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::PackedFunctionLevel
+    struct PackedFunctionLevel {
+        IrSensorFunctionLevel function_level;
+        INSERT_PADDING_BYTES(3);
+    };
+    static_assert(sizeof(PackedFunctionLevel) == 0x4, "PackedFunctionLevel is an invalid size");
+
+    // This is nn::irsensor::PackedImageTransferProcessorExConfig
+    struct PackedImageTransferProcessorExConfig {
+        u64 exposire_time;
+        u8 light_target;
+        u8 gain;
+        u8 is_negative_used;
+        INSERT_PADDING_BYTES(5);
+        PackedMcuVersion required_mcu_version;
+        ImageTransferProcessorFormat origin_format;
+        ImageTransferProcessorFormat trimming_format;
+        u16 trimming_start_x;
+        u16 trimming_start_y;
+        u8 is_external_light_filter_enabled;
+        INSERT_PADDING_BYTES(3);
+    };
+    static_assert(sizeof(PackedImageTransferProcessorExConfig) == 0x20,
+                  "PackedImageTransferProcessorExConfig is an invalid size");
+
+    // This is nn::irsensor::PackedIrLedProcessorConfig
+    struct PackedIrLedProcessorConfig {
+        PackedMcuVersion required_mcu_version;
+        u8 light_target;
+        INSERT_PADDING_BYTES(3);
+    };
+    static_assert(sizeof(PackedIrLedProcessorConfig) == 0x8,
+                  "PackedIrLedProcessorConfig is an invalid size");
+
     void ActivateIrsensor(Kernel::HLERequestContext& ctx);
     void DeactivateIrsensor(Kernel::HLERequestContext& ctx);
     void GetIrsensorSharedMemoryHandle(Kernel::HLERequestContext& ctx);
@@ -35,8 +265,6 @@ private:
     void RunIrLedProcessor(Kernel::HLERequestContext& ctx);
     void StopImageProcessorAsync(Kernel::HLERequestContext& ctx);
     void ActivateIrsensorWithFunctionLevel(Kernel::HLERequestContext& ctx);
-
-    const u32 device_handle{0xABCD};
 };
 
 class IRS_SYS final : public ServiceFramework<IRS_SYS> {

src/core/hle/service/jit/jit_context.cpp

@@ -11,10 +11,13 @@
 #include "common/alignment.h"
 #include "common/common_funcs.h"
 #include "common/div_ceil.h"
+#include "common/elf.h"
 #include "common/logging/log.h"
 #include "core/hle/service/jit/jit_context.h"
 #include "core/memory.h"
 
+using namespace Common::ELF;
+
 namespace Service::JIT {
 
 constexpr std::array<u8, 8> SVC0_ARM64 = {
@@ -26,25 +29,6 @@ constexpr std::array HELPER_FUNCTIONS{
     "_stop", "_resolve", "_panic", "memcpy", "memmove", "memset",
 };
 
-struct Elf64_Dyn {
-    u64 d_tag;
-    u64 d_un;
-};
-
-struct Elf64_Rela {
-    u64 r_offset;
-    u64 r_info;
-    s64 r_addend;
-};
-
-static constexpr u32 Elf64_RelaType(const Elf64_Rela* rela) {
-    return static_cast<u32>(rela->r_info);
-}
-
-constexpr int DT_RELA = 7;               /* Address of Rela relocs */
-constexpr int DT_RELASZ = 8;             /* Total size of Rela relocs */
-constexpr int R_AARCH64_RELATIVE = 1027; /* Adjust by program base.  */
-
 constexpr size_t STACK_ALIGN = 16;
 
 class JITContextImpl;
@@ -206,17 +190,17 @@ public:
             if (!dyn.d_tag) {
                 break;
             }
-            if (dyn.d_tag == DT_RELA) {
-                rela_dyn = dyn.d_un;
+            if (dyn.d_tag == ElfDtRela) {
+                rela_dyn = dyn.d_un.d_ptr;
             }
-            if (dyn.d_tag == DT_RELASZ) {
-                num_rela = dyn.d_un / sizeof(Elf64_Rela);
+            if (dyn.d_tag == ElfDtRelasz) {
+                num_rela = dyn.d_un.d_val / sizeof(Elf64_Rela);
             }
         }
 
         for (size_t i = 0; i < num_rela; i++) {
             const auto rela{callbacks->ReadMemory<Elf64_Rela>(rela_dyn + i * sizeof(Elf64_Rela))};
-            if (Elf64_RelaType(&rela) != R_AARCH64_RELATIVE) {
+            if (Elf64RelType(rela.r_info) != ElfAArch64Relative) {
                 continue;
             }
             const VAddr contents{callbacks->MemoryRead64(rela.r_offset)};

src/core/hle/service/ldr/ldr.cpp

@@ -347,7 +347,7 @@ public:
         }
 
         if (!succeeded) {
-            UNREACHABLE_MSG("Out of address space!");
+            ASSERT_MSG(false, "Out of address space!");
             return Kernel::ResultOutOfMemory;
         }
 

src/core/hle/service/mii/mii_manager.cpp

@@ -290,7 +290,7 @@ MiiStoreData BuildRandomStoreData(Age age, Gender gender, Race race, const Commo
     u8 glasses_type{};
     while (glasses_type_start < glasses_type_info.values[glasses_type]) {
         if (++glasses_type >= glasses_type_info.values_count) {
-            UNREACHABLE();
+            ASSERT(false);
             break;
         }
     }

src/core/hle/service/nvdrv/syncpoint_manager.cpp

@@ -23,7 +23,7 @@ u32 SyncpointManager::AllocateSyncpoint() {
             return syncpoint_id;
         }
     }
-    UNREACHABLE_MSG("No more available syncpoints!");
+    ASSERT_MSG(false, "No more available syncpoints!");
     return {};
 }
 

src/core/hle/service/nvflinger/buffer_queue_consumer.cpp

@@ -89,14 +89,6 @@ Status BufferQueueConsumer::AcquireBuffer(BufferItem* out_buffer,
 
     LOG_DEBUG(Service_NVFlinger, "acquiring slot={}", slot);
 
-    // If the front buffer is still being tracked, update its slot state
-    if (core->StillTracking(*front)) {
-        slots[slot].acquire_called = true;
-        slots[slot].needs_cleanup_on_release = false;
-        slots[slot].buffer_state = BufferState::Acquired;
-        slots[slot].fence = Fence::NoFence();
-    }
-
     // If the buffer has previously been acquired by the consumer, set graphic_buffer to nullptr to
     // avoid unnecessarily remapping this buffer on the consumer side.
     if (out_buffer->acquire_called) {
@@ -139,26 +131,11 @@ Status BufferQueueConsumer::ReleaseBuffer(s32 slot, u64 frame_number, const Fenc
             ++current;
         }
 
-        if (slots[slot].buffer_state == BufferState::Acquired) {
-            slots[slot].fence = release_fence;
-            slots[slot].buffer_state = BufferState::Free;
+        slots[slot].buffer_state = BufferState::Free;
 
-            listener = core->connected_producer_listener;
+        listener = core->connected_producer_listener;
 
-            LOG_DEBUG(Service_NVFlinger, "releasing slot {}", slot);
-        } else if (slots[slot].needs_cleanup_on_release) {
-            LOG_DEBUG(Service_NVFlinger, "releasing a stale buffer slot {} (state = {})", slot,
-                      slots[slot].buffer_state);
-
-            slots[slot].needs_cleanup_on_release = false;
-
-            return Status::StaleBufferSlot;
-        } else {
-            LOG_ERROR(Service_NVFlinger, "attempted to release buffer slot {} but its state was {}",
-                      slot, slots[slot].buffer_state);
-
-            return Status::BadValue;
-        }
+        LOG_DEBUG(Service_NVFlinger, "releasing slot {}", slot);
 
         core->SignalDequeueCondition();
     }

src/core/hle/service/nvflinger/buffer_queue_core.cpp

@@ -84,10 +84,6 @@ void BufferQueueCore::FreeBufferLocked(s32 slot) {
 
     slots[slot].graphic_buffer.reset();
 
-    if (slots[slot].buffer_state == BufferState::Acquired) {
-        slots[slot].needs_cleanup_on_release = true;
-    }
-
     slots[slot].buffer_state = BufferState::Free;
     slots[slot].frame_number = UINT32_MAX;
     slots[slot].acquire_called = false;

src/core/hle/service/nvflinger/buffer_queue_producer.cpp

@@ -659,7 +659,7 @@ Status BufferQueueProducer::Query(NativeWindow what, s32* out_value) {
         value = core->consumer_usage_bit;
         break;
     default:
-        UNREACHABLE();
+        ASSERT(false);
         return Status::BadValue;
     }
 

src/core/hle/service/nvflinger/buffer_slot.h

@@ -31,7 +31,6 @@ struct BufferSlot final {
     u64 frame_number{};
     Fence fence;
     bool acquire_called{};
-    bool needs_cleanup_on_release{};
     bool attached_by_consumer{};
     bool is_preallocated{};
 };

src/core/hle/service/time/standard_user_system_clock_core.cpp

@@ -48,12 +48,12 @@ ResultCode StandardUserSystemClockCore::GetClockContext(Core::System& system,
 }
 
 ResultCode StandardUserSystemClockCore::Flush(const SystemClockContext&) {
-    UNREACHABLE();
+    UNIMPLEMENTED();
     return ERROR_NOT_IMPLEMENTED;
 }
 
 ResultCode StandardUserSystemClockCore::SetClockContext(const SystemClockContext&) {
-    UNREACHABLE();
+    UNIMPLEMENTED();
     return ERROR_NOT_IMPLEMENTED;
 }
 

src/core/hle/service/time/time_manager.cpp

@@ -111,7 +111,7 @@ struct TimeManager::Impl final {
                               FileSys::VirtualFile& vfs_file) {
         if (time_zone_content_manager.GetTimeZoneManager().SetDeviceLocationNameWithTimeZoneRule(
                 location_name, vfs_file) != ResultSuccess) {
-            UNREACHABLE();
+            ASSERT(false);
             return;
         }
 
@@ -155,7 +155,7 @@ struct TimeManager::Impl final {
         } else {
             if (standard_local_system_clock_core.SetCurrentTime(system_, posix_time) !=
                 ResultSuccess) {
-                UNREACHABLE();
+                ASSERT(false);
                 return;
             }
         }
@@ -170,7 +170,7 @@ struct TimeManager::Impl final {
 
         if (standard_network_system_clock_core.SetSystemClockContext(clock_context) !=
             ResultSuccess) {
-            UNREACHABLE();
+            ASSERT(false);
             return;
         }
 
@@ -183,7 +183,7 @@ struct TimeManager::Impl final {
                                       Clock::SteadyClockTimePoint steady_clock_time_point) {
         if (standard_user_system_clock_core.SetAutomaticCorrectionEnabled(
                 system_, is_automatic_correction_enabled) != ResultSuccess) {
-            UNREACHABLE();
+            ASSERT(false);
             return;
         }
 
@@ -203,7 +203,7 @@ struct TimeManager::Impl final {
         if (GetStandardLocalSystemClockCore()
                 .SetCurrentTime(system_, timespan.ToSeconds())
                 .IsError()) {
-            UNREACHABLE();
+            ASSERT(false);
             return;
         }
     }

src/core/hle/service/time/time_zone_manager.cpp

@@ -279,7 +279,7 @@ static constexpr int TransitionTime(int year, Rule rule, int offset) {
         break;
     }
     default:
-        UNREACHABLE();
+        ASSERT(false);
     }
     return value + rule.transition_time + offset;
 }

src/core/loader/elf.cpp

@@ -6,6 +6,7 @@
 #include <memory>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "common/elf.h"
 #include "common/logging/log.h"
 #include "core/hle/kernel/code_set.h"
 #include "core/hle/kernel/k_page_table.h"
@@ -13,159 +14,7 @@
 #include "core/loader/elf.h"
 #include "core/memory.h"
 
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// ELF Header Constants
-
-// File type
-enum ElfType {
-    ET_NONE = 0,
-    ET_REL = 1,
-    ET_EXEC = 2,
-    ET_DYN = 3,
-    ET_CORE = 4,
-    ET_LOPROC = 0xFF00,
-    ET_HIPROC = 0xFFFF,
-};
-
-// Machine/Architecture
-enum ElfMachine {
-    EM_NONE = 0,
-    EM_M32 = 1,
-    EM_SPARC = 2,
-    EM_386 = 3,
-    EM_68K = 4,
-    EM_88K = 5,
-    EM_860 = 7,
-    EM_MIPS = 8
-};
-
-// File version
-#define EV_NONE 0
-#define EV_CURRENT 1
-
-// Identification index
-#define EI_MAG0 0
-#define EI_MAG1 1
-#define EI_MAG2 2
-#define EI_MAG3 3
-#define EI_CLASS 4
-#define EI_DATA 5
-#define EI_VERSION 6
-#define EI_PAD 7
-#define EI_NIDENT 16
-
-// Sections constants
-
-// Section types
-#define SHT_NULL 0
-#define SHT_PROGBITS 1
-#define SHT_SYMTAB 2
-#define SHT_STRTAB 3
-#define SHT_RELA 4
-#define SHT_HASH 5
-#define SHT_DYNAMIC 6
-#define SHT_NOTE 7
-#define SHT_NOBITS 8
-#define SHT_REL 9
-#define SHT_SHLIB 10
-#define SHT_DYNSYM 11
-#define SHT_LOPROC 0x70000000
-#define SHT_HIPROC 0x7FFFFFFF
-#define SHT_LOUSER 0x80000000
-#define SHT_HIUSER 0xFFFFFFFF
-
-// Section flags
-enum ElfSectionFlags {
-    SHF_WRITE = 0x1,
-    SHF_ALLOC = 0x2,
-    SHF_EXECINSTR = 0x4,
-    SHF_MASKPROC = 0xF0000000,
-};
-
-// Segment types
-#define PT_NULL 0
-#define PT_LOAD 1
-#define PT_DYNAMIC 2
-#define PT_INTERP 3
-#define PT_NOTE 4
-#define PT_SHLIB 5
-#define PT_PHDR 6
-#define PT_LOPROC 0x70000000
-#define PT_HIPROC 0x7FFFFFFF
-
-// Segment flags
-#define PF_X 0x1
-#define PF_W 0x2
-#define PF_R 0x4
-#define PF_MASKPROC 0xF0000000
-
-typedef unsigned int Elf32_Addr;
-typedef unsigned short Elf32_Half;
-typedef unsigned int Elf32_Off;
-typedef signed int Elf32_Sword;
-typedef unsigned int Elf32_Word;
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// ELF file header
-
-struct Elf32_Ehdr {
-    unsigned char e_ident[EI_NIDENT];
-    Elf32_Half e_type;
-    Elf32_Half e_machine;
-    Elf32_Word e_version;
-    Elf32_Addr e_entry;
-    Elf32_Off e_phoff;
-    Elf32_Off e_shoff;
-    Elf32_Word e_flags;
-    Elf32_Half e_ehsize;
-    Elf32_Half e_phentsize;
-    Elf32_Half e_phnum;
-    Elf32_Half e_shentsize;
-    Elf32_Half e_shnum;
-    Elf32_Half e_shstrndx;
-};
-
-// Section header
-struct Elf32_Shdr {
-    Elf32_Word sh_name;
-    Elf32_Word sh_type;
-    Elf32_Word sh_flags;
-    Elf32_Addr sh_addr;
-    Elf32_Off sh_offset;
-    Elf32_Word sh_size;
-    Elf32_Word sh_link;
-    Elf32_Word sh_info;
-    Elf32_Word sh_addralign;
-    Elf32_Word sh_entsize;
-};
-
-// Segment header
-struct Elf32_Phdr {
-    Elf32_Word p_type;
-    Elf32_Off p_offset;
-    Elf32_Addr p_vaddr;
-    Elf32_Addr p_paddr;
-    Elf32_Word p_filesz;
-    Elf32_Word p_memsz;
-    Elf32_Word p_flags;
-    Elf32_Word p_align;
-};
-
-// Symbol table entry
-struct Elf32_Sym {
-    Elf32_Word st_name;
-    Elf32_Addr st_value;
-    Elf32_Word st_size;
-    unsigned char st_info;
-    unsigned char st_other;
-    Elf32_Half st_shndx;
-};
-
-// Relocation entries
-struct Elf32_Rel {
-    Elf32_Addr r_offset;
-    Elf32_Word r_info;
-};
+using namespace Common::ELF;
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // ElfReader class
@@ -193,11 +42,11 @@ public:
     }
 
     // Quick accessors
-    ElfType GetType() const {
-        return (ElfType)(header->e_type);
+    u16 GetType() const {
+        return header->e_type;
     }
-    ElfMachine GetMachine() const {
-        return (ElfMachine)(header->e_machine);
+    u16 GetMachine() const {
+        return header->e_machine;
     }
     VAddr GetEntryPoint() const {
         return entryPoint;
@@ -220,13 +69,13 @@ public:
     const u8* GetSectionDataPtr(int section) const {
         if (section < 0 || section >= header->e_shnum)
             return nullptr;
-        if (sections[section].sh_type != SHT_NOBITS)
+        if (sections[section].sh_type != ElfShtNobits)
             return GetPtr(sections[section].sh_offset);
         else
             return nullptr;
     }
     bool IsCodeSection(int section) const {
-        return sections[section].sh_type == SHT_PROGBITS;
+        return sections[section].sh_type == ElfShtProgBits;
     }
     const u8* GetSegmentPtr(int segment) {
         return GetPtr(segments[segment].p_offset);
@@ -256,7 +105,7 @@ ElfReader::ElfReader(void* ptr) {
 }
 
 const char* ElfReader::GetSectionName(int section) const {
-    if (sections[section].sh_type == SHT_NULL)
+    if (sections[section].sh_type == ElfShtNull)
         return nullptr;
 
     int name_offset = sections[section].sh_name;
@@ -272,7 +121,7 @@ Kernel::CodeSet ElfReader::LoadInto(VAddr vaddr) {
     LOG_DEBUG(Loader, "String section: {}", header->e_shstrndx);
 
     // Should we relocate?
-    relocate = (header->e_type != ET_EXEC);
+    relocate = (header->e_type != ElfTypeExec);
 
     if (relocate) {
         LOG_DEBUG(Loader, "Relocatable module");
@@ -288,7 +137,7 @@ Kernel::CodeSet ElfReader::LoadInto(VAddr vaddr) {
     u64 total_image_size = 0;
     for (unsigned int i = 0; i < header->e_phnum; ++i) {
         const Elf32_Phdr* p = &segments[i];
-        if (p->p_type == PT_LOAD) {
+        if (p->p_type == ElfPtLoad) {
             total_image_size += (p->p_memsz + 0xFFF) & ~0xFFF;
         }
     }
@@ -303,14 +152,14 @@ Kernel::CodeSet ElfReader::LoadInto(VAddr vaddr) {
         LOG_DEBUG(Loader, "Type: {} Vaddr: {:08X} Filesz: {:08X} Memsz: {:08X} ", p->p_type,
                   p->p_vaddr, p->p_filesz, p->p_memsz);
 
-        if (p->p_type == PT_LOAD) {
+        if (p->p_type == ElfPtLoad) {
             Kernel::CodeSet::Segment* codeset_segment;
-            u32 permission_flags = p->p_flags & (PF_R | PF_W | PF_X);
-            if (permission_flags == (PF_R | PF_X)) {
+            u32 permission_flags = p->p_flags & (ElfPfRead | ElfPfWrite | ElfPfExec);
+            if (permission_flags == (ElfPfRead | ElfPfExec)) {
                 codeset_segment = &codeset.CodeSegment();
-            } else if (permission_flags == (PF_R)) {
+            } else if (permission_flags == (ElfPfRead)) {
                 codeset_segment = &codeset.RODataSegment();
-            } else if (permission_flags == (PF_R | PF_W)) {
+            } else if (permission_flags == (ElfPfRead | ElfPfWrite)) {
                 codeset_segment = &codeset.DataSegment();
             } else {
                 LOG_ERROR(Loader, "Unexpected ELF PT_LOAD segment id {} with flags {:X}", i,

src/core/loader/nso.cpp

@@ -128,11 +128,10 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
 
     // Apply patches if necessary
     if (pm && (pm->HasNSOPatch(nso_header.build_id) || Settings::values.dump_nso)) {
-        std::vector<u8> pi_header;
-        pi_header.insert(pi_header.begin(), reinterpret_cast<u8*>(&nso_header),
-                         reinterpret_cast<u8*>(&nso_header) + sizeof(NSOHeader));
-        pi_header.insert(pi_header.begin() + sizeof(NSOHeader), program_image.data(),
-                         program_image.data() + program_image.size());
+        std::vector<u8> pi_header(sizeof(NSOHeader) + program_image.size());
+        std::memcpy(pi_header.data(), &nso_header, sizeof(NSOHeader));
+        std::memcpy(pi_header.data() + sizeof(NSOHeader), program_image.data(),
+                    program_image.size());
 
         pi_header = pm->PatchNSO(pi_header, nso_file.GetName());
 

src/core/tools/freezer.cpp

@@ -25,7 +25,6 @@ u64 MemoryReadWidth(Core::Memory::Memory& memory, u32 width, VAddr addr) {
         return memory.Read64(addr);
     default:
         UNREACHABLE();
-        return 0;
     }
 }
 

src/shader_recompiler/frontend/maxwell/control_flow.h

@@ -58,7 +58,7 @@ public:
     [[nodiscard]] Stack Remove(Token token) const;
 
 private:
-    boost::container::small_vector<StackEntry, 3> entries;
+    std::vector<StackEntry> entries;
 };
 
 struct IndirectBranch {

src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp

@@ -975,13 +975,7 @@ private:
     Environment& env;
     IR::AbstractSyntaxList& syntax_list;
     bool uses_demote_to_helper{};
-
-// TODO: C++20 Remove this when all compilers support constexpr std::vector
-#if __cpp_lib_constexpr_vector >= 201907
-    static constexpr Flow::Block dummy_flow_block;
-#else
     const Flow::Block dummy_flow_block;
-#endif
 };
 } // Anonymous namespace
 

src/video_core/CMakeLists.txt

@@ -277,3 +277,7 @@ else()
         $<$<CXX_COMPILER_ID:GNU>:-Werror=unused-but-set-variable>
     )
 endif()
+
+if (ARCHITECTURE_x86_64)
+    target_link_libraries(video_core PRIVATE dynarmic)
+endif()

src/video_core/command_classes/codecs/codec.cpp

@@ -224,7 +224,7 @@ void Codec::Decode() {
             vp9_hidden_frame = vp9_decoder->WasFrameHidden();
             return vp9_decoder->GetFrameBytes();
         default:
-            UNREACHABLE();
+            ASSERT(false);
             return std::vector<u8>{};
         }
     }();

src/video_core/command_classes/vic.cpp

@@ -228,7 +228,7 @@ void Vic::WriteYUVFrame(const AVFrame* frame, const VicConfig& config) {
         break;
     }
     default:
-        UNREACHABLE();
+        ASSERT(false);
         break;
     }
     gpu.MemoryManager().WriteBlock(output_surface_chroma_address, chroma_buffer.data(),

src/video_core/engines/maxwell_3d.cpp

@@ -595,8 +595,8 @@ void Maxwell3D::DrawArrays() {
 
 std::optional<u64> Maxwell3D::GetQueryResult() {
     switch (regs.query.query_get.select) {
-    case Regs::QuerySelect::Zero:
-        return 0;
+    case Regs::QuerySelect::Payload:
+        return regs.query.query_sequence;
     case Regs::QuerySelect::SamplesPassed:
         // Deferred.
         rasterizer->Query(regs.query.QueryAddress(), QueryType::SamplesPassed,

src/video_core/engines/maxwell_3d.h

@@ -93,7 +93,7 @@ public:
         };
 
         enum class QuerySelect : u32 {
-            Zero = 0,
+            Payload = 0,
             TimeElapsed = 2,
             TransformFeedbackPrimitivesGenerated = 11,
             PrimitivesGenerated = 18,
@@ -202,7 +202,7 @@ public:
                 case Size::Size_11_11_10:
                     return 3;
                 default:
-                    UNREACHABLE();
+                    ASSERT(false);
                     return 1;
                 }
             }
@@ -238,7 +238,7 @@ public:
                 case Size::Size_11_11_10:
                     return 4;
                 default:
-                    UNREACHABLE();
+                    ASSERT(false);
                     return 1;
                 }
             }
@@ -274,7 +274,7 @@ public:
                 case Size::Size_11_11_10:
                     return "11_11_10";
                 default:
-                    UNREACHABLE();
+                    ASSERT(false);
                     return {};
                 }
             }
@@ -296,7 +296,7 @@ public:
                 case Type::Float:
                     return "FLOAT";
                 }
-                UNREACHABLE();
+                ASSERT(false);
                 return {};
             }
 
@@ -336,7 +336,7 @@ public:
                 case 3:
                     return {x3, y3};
                 default:
-                    UNREACHABLE();
+                    ASSERT(false);
                     return {0, 0};
                 }
             }
@@ -1193,7 +1193,7 @@ public:
                         case IndexFormat::UnsignedInt:
                             return 4;
                         }
-                        UNREACHABLE();
+                        ASSERT(false);
                         return 1;
                     }
 

src/video_core/engines/maxwell_dma.cpp

@@ -62,7 +62,7 @@ void MaxwellDMA::Launch() {
 
     if (!is_src_pitch && !is_dst_pitch) {
         // If both the source and the destination are in block layout, assert.
-        UNREACHABLE_MSG("Tiled->Tiled DMA transfers are not yet implemented");
+        UNIMPLEMENTED_MSG("Tiled->Tiled DMA transfers are not yet implemented");
         return;
     }
 
@@ -260,7 +260,7 @@ void MaxwellDMA::ReleaseSemaphore() {
         memory_manager.Write<u64>(address + 8, system.GPU().GetTicks());
         break;
     default:
-        UNREACHABLE_MSG("Unknown semaphore type: {}", static_cast<u32>(type.Value()));
+        ASSERT_MSG(false, "Unknown semaphore type: {}", static_cast<u32>(type.Value()));
     }
 }
 

src/video_core/gpu_thread.cpp

@@ -31,7 +31,8 @@ static void RunThread(std::stop_token stop_token, Core::System& system,
     VideoCore::RasterizerInterface* const rasterizer = renderer.ReadRasterizer();
 
     while (!stop_token.stop_requested()) {
-        CommandDataContainer next = state.queue.PopWait(stop_token);
+        CommandDataContainer next;
+        state.queue.Pop(next, stop_token);
         if (stop_token.stop_requested()) {
             break;
         }
@@ -49,7 +50,7 @@ static void RunThread(std::stop_token stop_token, Core::System& system,
         } else if (const auto* invalidate = std::get_if<InvalidateRegionCommand>(&next.data)) {
             rasterizer->OnCPUWrite(invalidate->addr, invalidate->size);
         } else {
-            UNREACHABLE();
+            ASSERT(false);
         }
         state.signaled_fence.store(next.fence);
         if (next.block) {

src/video_core/gpu_thread.h

@@ -10,7 +10,7 @@
 #include <thread>
 #include <variant>
 
-#include "common/threadsafe_queue.h"
+#include "common/bounded_threadsafe_queue.h"
 #include "video_core/framebuffer_config.h"
 
 namespace Tegra {
@@ -96,9 +96,9 @@ struct CommandDataContainer {
 
 /// Struct used to synchronize the GPU thread
 struct SynchState final {
-    using CommandQueue = Common::SPSCQueue<CommandDataContainer, true>;
+    using CommandQueue = Common::MPSCQueue<CommandDataContainer>;
     std::mutex write_lock;
-    CommandQueue queue;
+    CommandQueue queue{512}; // size must be 2^n
     u64 last_fence{};
     std::atomic<u64> signaled_fence{};
     std::condition_variable_any cv;

src/video_core/macro/macro.cpp

@@ -71,7 +71,7 @@ void MacroEngine::Execute(u32 method, const std::vector<u32>& parameters) {
                 }
             }
             if (!mid_method.has_value()) {
-                UNREACHABLE_MSG("Macro 0x{0:x} was not uploaded", method);
+                ASSERT_MSG(false, "Macro 0x{0:x} was not uploaded", method);
                 return;
             }
         }

src/video_core/macro/macro_interpreter.cpp

@@ -308,7 +308,6 @@ bool MacroInterpreterImpl::EvaluateBranchCondition(Macro::BranchCondition cond,
         return value != 0;
     }
     UNREACHABLE();
-    return true;
 }
 
 Macro::Opcode MacroInterpreterImpl::GetOpcode() const {

src/video_core/macro/macro_jit_x64.cpp

@@ -411,7 +411,7 @@ void MacroJITx64Impl::Compile_Branch(Macro::Opcode opcode) {
 
     Xbyak::Label end;
     auto value = Compile_GetRegister(opcode.src_a, eax);
-    test(value, value);
+    cmp(value, 0); // test(value, value);
     if (optimizer.has_delayed_pc) {
         switch (opcode.branch_condition) {
         case Macro::BranchCondition::Zero: