fix emul atomic

Signed-off-by: lizzie <lizzie@eden-emu.dev>

externals/nx_tzdb/NxTzdbCreateHeader.cmake

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 # SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -16,15 +19,24 @@ if (NOT FILE_LIST)
 endif()
 
 set(DIRECTORY_NAME ${HEADER_NAME})
-
 set(FILE_DATA "")
+
+string(APPEND FILE_DATA "[[nodiscard]] static inline std::vector<FileSys::VirtualFile> CollectFiles_${DIRECTORY_NAME}() {\n")
+string(APPEND FILE_DATA [[
+    std::vector<FileSys::VirtualFile> vfs_files;
+    auto const fn = [&](std::string_view name, std::span<const u8> data) {
+        vfs_files.push_back(std::make_shared<FileSys::VectorVfsFile>(
+            std::vector<u8>(data.begin(), data.end()),
+            std::string{name}
+        ));
+    };
+]])
 foreach(ZONE_FILE ${FILE_LIST})
     if (ZONE_FILE STREQUAL "\n")
         continue()
     endif()
-
-    string(APPEND FILE_DATA "{\"${ZONE_FILE}\",\n{")
-
+    string(APPEND FILE_DATA "  {\n")
+    string(APPEND FILE_DATA "    constexpr uint8_t tzdb_data[] = {\n")
     file(READ ${ZONE_PATH}/${ZONE_FILE} ZONE_DATA HEX)
     string(LENGTH "${ZONE_DATA}" ZONE_DATA_LEN)
     foreach(I RANGE 0 ${ZONE_DATA_LEN} 2)
@@ -42,9 +54,12 @@ foreach(ZONE_FILE ${FILE_LIST})
             string(APPEND FILE_DATA " ")
         endif()
     endforeach()
-
-    string(APPEND FILE_DATA "}},\n")
+    string(APPEND FILE_DATA "    };\n")
+    string(APPEND FILE_DATA "    fn(\"${ZONE_FILE}\", tzdb_data);\n")
+    string(APPEND FILE_DATA "  }\n")
 endforeach()
+string(APPEND FILE_DATA "  return vfs_files;\n")
+string(APPEND FILE_DATA "}\n")
 
 file(READ ${NX_TZDB_SOURCE_DIR}/tzdb_template.h.in NX_TZDB_TEMPLATE_H_IN)
 file(CONFIGURE OUTPUT ${NX_TZDB_INCLUDE_DIR}/nx_tzdb/${HEADER_NAME}.h CONTENT "${NX_TZDB_TEMPLATE_H_IN}")

externals/nx_tzdb/tzdb_template.h.in

@@ -9,10 +9,10 @@
 
 namespace NxTzdb {
 
+// @DIRECTORY_NAME@
+
 // clang-format off
-const static std::map<const char*, const std::vector<uint8_t>> @DIRECTORY_NAME@ = 
-{
-@FILE_DATA@};
+@FILE_DATA@
 // clang-format on
 
 } // namespace NxTzdb

src/common/CMakeLists.txt

@@ -184,19 +184,12 @@ if(ARCHITECTURE_x86_64)
         x64/cpu_detect.h
         x64/cpu_wait.cpp
         x64/cpu_wait.h
-        x64/native_clock.cpp
-        x64/native_clock.h
         x64/rdtsc.cpp
         x64/rdtsc.h
-        x64/xbyak_abi.h
-        x64/xbyak_util.h)
+        x64/xbyak.h)
     target_link_libraries(common PRIVATE xbyak::xbyak)
 endif()
 
-if(HAS_NCE)
-    target_sources(common PRIVATE arm64/native_clock.cpp arm64/native_clock.h)
-endif()
-
 if(MSVC)
     target_compile_definitions(
         common

src/common/arm64/native_clock.cpp

@@ -1,87 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#ifdef ANDROID
-#include <sys/system_properties.h>
-#endif
-#include "common/arm64/native_clock.h"
-
-namespace Common::Arm64 {
-
-namespace {
-
-NativeClock::FactorType GetFixedPointFactor(u64 num, u64 den) {
-    return (static_cast<NativeClock::FactorType>(num) << 64) / den;
-}
-
-u64 MultiplyHigh(u64 m, NativeClock::FactorType factor) {
-    return static_cast<u64>((m * factor) >> 64);
-}
-
-} // namespace
-
-NativeClock::NativeClock() {
-    const u64 host_cntfrq = GetHostCNTFRQ();
-    ns_cntfrq_factor = GetFixedPointFactor(NsRatio::den, host_cntfrq);
-    us_cntfrq_factor = GetFixedPointFactor(UsRatio::den, host_cntfrq);
-    ms_cntfrq_factor = GetFixedPointFactor(MsRatio::den, host_cntfrq);
-    guest_cntfrq_factor = GetFixedPointFactor(CNTFRQ, host_cntfrq);
-    gputick_cntfrq_factor = GetFixedPointFactor(GPUTickFreq, host_cntfrq);
-}
-
-std::chrono::nanoseconds NativeClock::GetTimeNS() const {
-    return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_cntfrq_factor)};
-}
-
-std::chrono::microseconds NativeClock::GetTimeUS() const {
-    return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_cntfrq_factor)};
-}
-
-std::chrono::milliseconds NativeClock::GetTimeMS() const {
-    return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_cntfrq_factor)};
-}
-
-s64 NativeClock::GetCNTPCT() const {
-    return MultiplyHigh(GetUptime(), guest_cntfrq_factor);
-}
-
-s64 NativeClock::GetGPUTick() const {
-    return MultiplyHigh(GetUptime(), gputick_cntfrq_factor);
-}
-
-s64 NativeClock::GetUptime() const {
-    s64 cntvct_el0 = 0;
-    asm volatile("dsb ish\n\t"
-                 "mrs %[cntvct_el0], cntvct_el0\n\t"
-                 "dsb ish\n\t"
-                 : [cntvct_el0] "=r"(cntvct_el0));
-    return cntvct_el0;
-}
-
-bool NativeClock::IsNative() const {
-    return true;
-}
-
-s64 NativeClock::GetHostCNTFRQ() {
-    u64 cntfrq_el0 = 0;
-    std::string_view board{""};
-#ifdef ANDROID
-    char buffer[PROP_VALUE_MAX];
-    int len{__system_property_get("ro.product.board", buffer)};
-    board = std::string_view(buffer, static_cast<size_t>(len));
-#endif
-    if (board == "s5e9925") { // Exynos 2200
-        cntfrq_el0 = 25600000;
-    } else if (board == "exynos2100") { // Exynos 2100
-        cntfrq_el0 = 26000000;
-    } else if (board == "exynos9810") { // Exynos 9810
-        cntfrq_el0 = 26000000;
-    } else if (board == "s5e8825") { // Exynos 1280
-        cntfrq_el0 = 26000000;
-    } else {
-        asm("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
-    }
-    return cntfrq_el0;
-}
-
-} // namespace Common::Arm64

src/common/arm64/native_clock.h

@@ -1,45 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include "common/wall_clock.h"
-
-namespace Common::Arm64 {
-
-class NativeClock final : public WallClock {
-public:
-    explicit NativeClock();
-
-    std::chrono::nanoseconds GetTimeNS() const override;
-
-    std::chrono::microseconds GetTimeUS() const override;
-
-    std::chrono::milliseconds GetTimeMS() const override;
-
-    s64 GetCNTPCT() const override;
-
-    s64 GetGPUTick() const override;
-
-    s64 GetUptime() const override;
-
-    bool IsNative() const override;
-
-    static s64 GetHostCNTFRQ();
-
-public:
-    using FactorType = unsigned __int128;
-
-    FactorType GetGuestCNTFRQFactor() const {
-        return guest_cntfrq_factor;
-    }
-
-private:
-    FactorType ns_cntfrq_factor;
-    FactorType us_cntfrq_factor;
-    FactorType ms_cntfrq_factor;
-    FactorType guest_cntfrq_factor;
-    FactorType gputick_cntfrq_factor;
-};
-
-} // namespace Common::Arm64

src/common/fs/file.cpp

@@ -7,18 +7,25 @@
 #include <vector>
 
 #include "common/assert.h"
+#include "common/bit_util.h"
 #include "common/fs/file.h"
 #include "common/fs/fs.h"
+#include "common/fs/fs_types.h"
 #ifdef ANDROID
 #include "common/fs/fs_android.h"
 #endif
 #include "common/logging.h"
+#include "common/literals.h"
 
 #ifdef _WIN32
 #include <io.h>
 #include <share.h>
+#include <windows.h>
 #else
 #include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #endif
 
 #ifdef _MSC_VER
@@ -36,13 +43,13 @@ namespace {
 #ifdef _WIN32
 
 /**
- * Converts the file access mode and file type enums to a file access mode wide string.
- *
- * @param mode File access mode
- * @param type File type
- *
- * @returns A pointer to a wide string representing the file access mode.
- */
+* Converts the file access mode and file type enums to a file access mode wide string.
+*
+* @param mode File access mode
+* @param type File type
+*
+* @returns A pointer to a wide string representing the file access mode.
+*/
 [[nodiscard]] constexpr const wchar_t* AccessModeToWStr(FileAccessMode mode, FileType type) {
     switch (type) {
     case FileType::BinaryFile:
@@ -79,12 +86,12 @@ namespace {
 }
 
 /**
- * Converts the file-share access flag enum to a Windows defined file-share access flag.
- *
- * @param flag File-share access flag
- *
- * @returns Windows defined file-share access flag.
- */
+* Converts the file-share access flag enum to a Windows defined file-share access flag.
+*
+* @param flag File-share access flag
+*
+* @returns Windows defined file-share access flag.
+*/
 [[nodiscard]] constexpr int ToWindowsFileShareFlag(FileShareFlag flag) {
     switch (flag) {
     case FileShareFlag::ShareNone:
@@ -102,13 +109,13 @@ namespace {
 #else
 
 /**
- * Converts the file access mode and file type enums to a file access mode string.
- *
- * @param mode File access mode
- * @param type File type
- *
- * @returns A pointer to a string representing the file access mode.
- */
+* Converts the file access mode and file type enums to a file access mode string.
+*
+* @param mode File access mode
+* @param type File type
+*
+* @returns A pointer to a string representing the file access mode.
+*/
 [[nodiscard]] constexpr const char* AccessModeToStr(FileAccessMode mode, FileType type) {
     switch (type) {
     case FileType::BinaryFile:
@@ -147,12 +154,12 @@ namespace {
 #endif
 
 /**
- * Converts the seek origin enum to a seek origin integer.
- *
- * @param origin Seek origin
- *
- * @returns Seek origin integer.
- */
+* Converts the seek origin enum to a seek origin integer.
+*
+* @param origin Seek origin
+*
+* @returns Seek origin integer.
+*/
 [[nodiscard]] constexpr int ToSeekOrigin(SeekOrigin origin) {
     switch (origin) {
     case SeekOrigin::SetOrigin:
@@ -178,7 +185,7 @@ std::string ReadStringFromFile(const std::filesystem::path& path, FileType type)
 }
 
 size_t WriteStringToFile(const std::filesystem::path& path, FileType type,
-                         std::string_view string) {
+                        std::string_view string) {
     if (Exists(path) && !IsFile(path)) {
         return 0;
     }
@@ -189,7 +196,7 @@ size_t WriteStringToFile(const std::filesystem::path& path, FileType type,
 }
 
 size_t AppendStringToFile(const std::filesystem::path& path, FileType type,
-                          std::string_view string) {
+                        std::string_view string) {
     if (Exists(path) && !IsFile(path)) {
         return 0;
     }
@@ -244,69 +251,189 @@ FileType IOFile::GetType() const {
     return file_type;
 }
 
+#if defined(__unix__)
+static int PlatformMapReadOnly(IOFile& io, const char* path) {
+    io.mmap_fd = open(path, O_RDONLY);
+    if (io.mmap_fd > 0) {
+        struct stat st;
+        fstat(io.mmap_fd, &st);
+        io.mmap_size = st.st_size;
+
+        int map_flags = MAP_PRIVATE;
+#ifdef MAP_PREFAULT_READ
+        // Prefaults reads so the final resulting pagetable from this big stupid mmap()
+        // isn't comically lazily loaded, we just coalesce everything in-place for our
+        // lovely mmap flags; if we didn't prefault the reads the page table will be
+        // constructed in-place (i.e on a read-by-read basis) causing lovely soft-faults
+        // which would nuke any performance gains.
+        //
+        // This of course incurs a cost in the initial mmap(2) call, but that is fine.
+        map_flags |= MAP_PREFAULT_READ;
+#endif
+#ifdef MAP_NOSYNC
+        // This causes physical media to not be synched to our file/memory
+        // This means that if the read-only file is written to, we won't see changes
+        // or we may see changes which are just funnily scattered, in any case
+        // this presumes the files won't be changed during execution
+        //
+        // Do not ever use this on write files (if we ever support that); this will create
+        // a fun amount of fragmentation on the disk.
+        map_flags |= MAP_NOSYNC;
+#endif
+#if defined(NDEBUG) && defined(MAP_NOCORE)
+        map_flags |= MAP_NOCORE;
+#endif
+#ifdef MAP_HUGE_2MB
+        map_flags |= MAP_HUGE_2MB; //2mb pages
+#elif defined(MAP_ALIGNED)
+        // File must be big enough that it's worth to super align. We can't just super-align every
+        // file otherwise we will run out of alignments for actually important files :)
+        // System doesn't guarantee a super alignment, but if it's available it will delete
+        // about 3 layers(?) of the TLB tree for each read/write.
+        // Again the cost of faults may make this negligible gains, but hey, we gotta work
+        // what we gotta work with.
+        map_flags |= MAP_ALIGNED(21); //2^21 = 2mb use 2MB pages
+#endif
+        io.mmap_base = (u8*)mmap(nullptr, io.mmap_size, PROT_READ, map_flags, io.mmap_fd, 0);
+        if (io.mmap_base == MAP_FAILED) {
+            close(io.mmap_fd);
+            io.mmap_fd = -1;
+        } else {
+            using namespace Common::Literals;
+            // For small files it is acceptable to use a full readahead
+            // See https://github.com/torvalds/linux/blob/e80d033851b3bc94c3d254ac66660ddd0a49d72c/include/linux/pagemap.h#L1392
+            if (u64(st.st_size) >= 256_MiB) {
+                posix_madvise(io.mmap_base, io.mmap_size, POSIX_MADV_RANDOM);
+            } else {
+                posix_madvise(io.mmap_base, io.mmap_size, POSIX_MADV_SEQUENTIAL);
+            }
+        }
+    }
+    return io.mmap_fd;
+}
+static void PlatformUnmap(IOFile& io) {
+    if (io.mmap_fd != -1) {
+        munmap(io.mmap_base, io.mmap_size);
+        close(io.mmap_fd);
+        io.mmap_fd = -1;
+    }
+}
+#elif defined(__APPLE__)
+// NO IMPLEMENTATION YET
+#else
+static int PlatformMapReadOnly(IOFile& io, const wchar_t* path) {
+    io.file_handle = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, nullptr);
+    if (HANDLE(io.file_handle) != INVALID_HANDLE_VALUE) {
+        io.mapping_handle = CreateFileMappingW(HANDLE(io.file_handle), nullptr, PAGE_READONLY, 0, 0, nullptr);
+        if (io.mapping_handle) {
+            io.mmap_base = (u8*)MapViewOfFile(HANDLE(io.mapping_handle), FILE_MAP_READ, 0, 0, 0);
+            if (io.mmap_base) {
+                _LARGE_INTEGER pvalue;
+                GetFileSizeEx(io.file_handle, &pvalue);
+                io.mmap_size = uint32_t(pvalue.QuadPart);
+            } else {
+                CloseHandle(io.mapping_handle);
+                CloseHandle(io.file_handle);
+                return -1;
+            }
+        } else {
+            CloseHandle(io.file_handle);
+            return -1;
+        }
+    }
+    return 0;
+}
+static void PlatformUnmap(IOFile& io) {
+    if(io.mapping_handle) {
+        if(io.mmap_base)
+            UnmapViewOfFile(HANDLE(io.mmap_base));
+        CloseHandle(HANDLE(io.mapping_handle));
+    }
+    if(io.file_handle != INVALID_HANDLE_VALUE)
+        CloseHandle(HANDLE(io.file_handle));
+}
+#endif
+
 void IOFile::Open(const fs::path& path, FileAccessMode mode, FileType type, FileShareFlag flag) {
     Close();
-
     file_path = path;
     file_access_mode = mode;
     file_type = type;
-
     errno = 0;
-
 #ifdef _WIN32
-    if (flag != FileShareFlag::ShareNone) {
-        file = _wfsopen(path.c_str(), AccessModeToWStr(mode, type), ToWindowsFileShareFlag(flag));
-    } else {
-        _wfopen_s(&file, path.c_str(), AccessModeToWStr(mode, type));
+    // TODO: this probably can use better logic but oh well I'm not a windowser
+    file_handle = nullptr;
+    if (type == FileType::BinaryFile && mode == FileAccessMode::Read) {
+        if (PlatformMapReadOnly(*this, path.c_str()) == -1) {
+            LOG_ERROR(Common_Filesystem, "Error mmap'ing file"); //: {}", path.c_str());
+        }
+    }
+    if (file_handle == nullptr) {
+        if (flag != FileShareFlag::ShareNone) {
+            file = _wfsopen(path.c_str(), AccessModeToWStr(mode, type), ToWindowsFileShareFlag(flag));
+        } else {
+            _wfopen_s(&file, path.c_str(), AccessModeToWStr(mode, type));
+        }
     }
 #elif ANDROID
     if (Android::IsContentUri(path)) {
         ASSERT_MSG(mode == FileAccessMode::Read, "Content URI file access is for read-only!");
-        const auto fd = Android::OpenContentUri(path, Android::OpenMode::Read);
-        if (fd != -1) {
-            file = fdopen(fd, "r");
-            const auto error_num = errno;
-            if (error_num != 0 && file == nullptr) {
-                LOG_ERROR(Common_Filesystem, "Error opening file: {}, error: {}", path.c_str(),
-                          strerror(error_num));
+        if (PlatformMapReadOnly(*this, path.c_str()) == -1) {
+            LOG_ERROR(Common_Filesystem, "Error mmap'ing file: {}", path.c_str());
+            int const fd = Android::OpenContentUri(path, Android::OpenMode::Read);
+            if (fd != -1) {
+                file = fdopen(fd, "r");
+                if (errno != 0 && file == nullptr)
+                    LOG_ERROR(Common_Filesystem, "Error opening file: {}, error: {}", path.c_str(), strerror(errno));
+            } else {
+                LOG_ERROR(Common_Filesystem, "Error opening file: {}", path.c_str());
             }
-        } else {
-            LOG_ERROR(Common_Filesystem, "Error opening file: {}", path.c_str());
         }
     } else {
         file = std::fopen(path.c_str(), AccessModeToStr(mode, type));
     }
+#elif defined(__HAIKU__) || defined(__managarm__) || defined(__OPENORBIS__) || defined(__APPLE__)
+    file = std::fopen(path.c_str(), AccessModeToStr(mode, type));
+#elif defined(__unix__)
+    if (type == FileType::BinaryFile && mode == FileAccessMode::Read) {
+        if (PlatformMapReadOnly(*this, path.c_str()) == -1) {
+            LOG_ERROR(Common_Filesystem, "Error mmap'ing file: {}", path.c_str());
+        }
+    }
+    if (mmap_fd == -1) {
+        file = std::fopen(path.c_str(), AccessModeToStr(mode, type)); // mmap(2) failed or simply we can't use it
+    }
 #else
+    // Some other fancy OS (ahem fucking Darwin/Mac OSX)
     file = std::fopen(path.c_str(), AccessModeToStr(mode, type));
 #endif
-
     if (!IsOpen()) {
         const auto ec = std::error_code{errno, std::generic_category()};
         LOG_ERROR(Common_Filesystem, "Failed to open the file at path={}, ec_message={}",
-                  PathToUTF8String(file_path), ec.message());
+            PathToUTF8String(file_path), ec.message());
     }
 }
 
 void IOFile::Close() {
-    if (!IsOpen()) {
-        return;
+#if defined(__APPLE__)
+    // NO IMPLEMENTATION YET
+#else
+    PlatformUnmap(*this);
+#endif
+    if (file) {
+        errno = 0;
+        const auto close_result = std::fclose(file) == 0;
+        if (!close_result) {
+            const auto ec = std::error_code{errno, std::generic_category()};
+            LOG_ERROR(Common_Filesystem, "Failed to close the file at path={}, ec_message={}",
+                PathToUTF8String(file_path), ec.message());
+        }
+        file = nullptr;
     }
-
-    errno = 0;
-
-    const auto close_result = std::fclose(file) == 0;
-
-    if (!close_result) {
-        const auto ec = std::error_code{errno, std::generic_category()};
-        LOG_ERROR(Common_Filesystem, "Failed to close the file at path={}, ec_message={}",
-                  PathToUTF8String(file_path), ec.message());
-    }
-
-    file = nullptr;
 }
 
 bool IOFile::IsOpen() const {
-    return file != nullptr;
+    return file != nullptr || IsMappedFile();
 }
 
 std::string IOFile::ReadString(size_t length) const {
@@ -323,137 +450,132 @@ size_t IOFile::WriteString(std::span<const char> string) const {
 }
 
 bool IOFile::Flush() const {
-    if (!IsOpen()) {
-        return false;
+    ASSERT(!IsMappedFile());
+    if (file) {
+        errno = 0;
+        auto const flush_result = std::fflush(file) == 0;
+        if (!flush_result) {
+            const auto ec = std::error_code{errno, std::generic_category()};
+            LOG_ERROR(Common_Filesystem, "Failed to flush the file at path={}, ec_message={}",
+                PathToUTF8String(file_path), ec.message());
+        }
+        return flush_result;
     }
-
-    errno = 0;
-
-#ifdef _WIN32
-    const auto flush_result = std::fflush(file) == 0;
-#else
-    const auto flush_result = std::fflush(file) == 0;
-#endif
-
-    if (!flush_result) {
-        const auto ec = std::error_code{errno, std::generic_category()};
-        LOG_ERROR(Common_Filesystem, "Failed to flush the file at path={}, ec_message={}",
-                  PathToUTF8String(file_path), ec.message());
-    }
-
-    return flush_result;
+    return false;
 }
 
 bool IOFile::Commit() const {
-    if (!IsOpen()) {
-        return false;
-    }
-
-    errno = 0;
-
+    ASSERT(!IsMappedFile());
+    if (file) {
+        errno = 0;
 #ifdef _WIN32
-    const auto commit_result = std::fflush(file) == 0 && _commit(fileno(file)) == 0;
+        const auto commit_result = std::fflush(file) == 0 && _commit(fileno(file)) == 0;
 #else
-    const auto commit_result = std::fflush(file) == 0 && fsync(fileno(file)) == 0;
+        const auto commit_result = std::fflush(file) == 0 && fsync(fileno(file)) == 0;
 #endif
-
-    if (!commit_result) {
-        const auto ec = std::error_code{errno, std::generic_category()};
-        LOG_ERROR(Common_Filesystem, "Failed to commit the file at path={}, ec_message={}",
-                  PathToUTF8String(file_path), ec.message());
+        if (!commit_result) {
+            const auto ec = std::error_code{errno, std::generic_category()};
+            LOG_ERROR(Common_Filesystem, "Failed to commit the file at path={}, ec_message={}",
+                PathToUTF8String(file_path), ec.message());
+        }
+        return commit_result;
     }
-
-    return commit_result;
+    return false;
 }
 
 bool IOFile::SetSize(u64 size) const {
-    if (!IsOpen()) {
-        return false;
-    }
-
-    errno = 0;
-
+    ASSERT(!IsMappedFile());
+    if (file) {
+        errno = 0;
 #ifdef _WIN32
-    const auto set_size_result = _chsize_s(fileno(file), static_cast<s64>(size)) == 0;
+        const auto set_size_result = _chsize_s(fileno(file), s64(size)) == 0;
 #else
-    const auto set_size_result = ftruncate(fileno(file), static_cast<s64>(size)) == 0;
+        const auto set_size_result = ftruncate(fileno(file), s64(size)) == 0;
 #endif
-
-    if (!set_size_result) {
-        const auto ec = std::error_code{errno, std::generic_category()};
-        LOG_ERROR(Common_Filesystem, "Failed to resize the file at path={}, size={}, ec_message={}",
-                  PathToUTF8String(file_path), size, ec.message());
+        if (!set_size_result) {
+            const auto ec = std::error_code{errno, std::generic_category()};
+            LOG_ERROR(Common_Filesystem, "Failed to resize the file at path={}, size={}, ec_message={}",
+                PathToUTF8String(file_path), size, ec.message());
+        }
+        return set_size_result;
     }
-
-    return set_size_result;
+    return false;
 }
 
 u64 IOFile::GetSize() const {
-    if (!IsOpen()) {
-        return 0;
-    }
-
-    // Flush any unwritten buffered data into the file prior to retrieving the file size.
-    std::fflush(file);
-
+    if (IsMappedFile())
+        return mmap_size;
+    if (file) {
+        // Flush any unwritten buffered data into the file prior to retrieving the file mmap_size.
+        std::fflush(file);
 #if ANDROID
-    u64 file_size = 0;
-    if (Android::IsContentUri(file_path)) {
-        file_size = Android::GetSize(file_path);
-    } else {
+        u64 file_size = 0;
+        if (Android::IsContentUri(file_path)) {
+            file_size = Android::GetSize(file_path);
+        } else {
+            std::error_code ec;
+
+            file_size = fs::file_size(file_path, ec);
+
+            if (ec) {
+                LOG_ERROR(Common_Filesystem, "Failed to retrieve the file mmap_size of path={}, ec_message={}",
+                    PathToUTF8String(file_path), ec.message());
+                return 0;
+            }
+        }
+#else
         std::error_code ec;
-
-        file_size = fs::file_size(file_path, ec);
-
+        auto const file_size = fs::file_size(file_path, ec);
         if (ec) {
-            LOG_ERROR(Common_Filesystem,
-                      "Failed to retrieve the file size of path={}, ec_message={}",
-                      PathToUTF8String(file_path), ec.message());
+            LOG_ERROR(Common_Filesystem, "Failed to retrieve the file mmap_size of path={}, ec_message={}",
+                PathToUTF8String(file_path), ec.message());
             return 0;
         }
-    }
-#else
-    std::error_code ec;
-
-    const auto file_size = fs::file_size(file_path, ec);
-
-    if (ec) {
-        LOG_ERROR(Common_Filesystem, "Failed to retrieve the file size of path={}, ec_message={}",
-                  PathToUTF8String(file_path), ec.message());
-        return 0;
-    }
 #endif
-
-    return file_size;
+        return file_size;
+    }
+    return 0;
 }
 
 bool IOFile::Seek(s64 offset, SeekOrigin origin) const {
-    if (!IsOpen()) {
-        return false;
+    if (IsMappedFile()) {
+        // fuck you to whoever made this method const
+        switch (origin) {
+        case SeekOrigin::SetOrigin:
+            mmap_offset = s64(offset);
+            break;
+        case SeekOrigin::CurrentPosition:
+            mmap_offset += s64(offset);
+            break;
+        case SeekOrigin::End:
+            mmap_offset = s64(mmap_size) + s64(offset);
+            break;
+        }
+        return true;
     }
-
-    errno = 0;
-
-    const auto seek_result = fseeko(file, offset, ToSeekOrigin(origin)) == 0;
-
-    if (!seek_result) {
-        const auto ec = std::error_code{errno, std::generic_category()};
-        LOG_ERROR(Common_Filesystem,
-                  "Failed to seek the file at path={}, offset={}, origin={}, ec_message={}",
-                  PathToUTF8String(file_path), offset, origin, ec.message());
+    if (file) {
+        errno = 0;
+        const auto seek_result = fseeko(file, offset, ToSeekOrigin(origin)) == 0;
+        if (!seek_result) {
+            const auto ec = std::error_code{errno, std::generic_category()};
+            LOG_ERROR(Common_Filesystem, "Failed to seek the file at path={}, offset={}, origin={}, ec_message={}",
+                PathToUTF8String(file_path), offset, origin, ec.message());
+        }
+        return seek_result;
     }
-
-    return seek_result;
+    return false;
 }
 
 s64 IOFile::Tell() const {
-    if (!IsOpen()) {
-        return 0;
+    if (IsMappedFile()) {
+        errno = 0;
+        return s64(mmap_offset);
     }
-
-    errno = 0;
-
-    return ftello(file);
+    if (file) {
+        errno = 0;
+        return ftello(file);
+    }
+    return 0;
 }
 
 } // namespace Common::FS

src/common/fs/file.h

@@ -1,9 +1,13 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
 #include <cstdio>
+#include <cstring>
 #include <filesystem>
 #include <span>
 #include <type_traits>
@@ -21,12 +25,12 @@ enum class SeekOrigin {
 };
 
 /**
- * Opens a file stream at path with the specified open mode.
- *
- * @param file_stream Reference to file stream
- * @param path Filesystem path
- * @param open_mode File stream open mode
- */
+* Opens a file stream at path with the specified open mode.
+*
+* @param file_stream Reference to file stream
+* @param path Filesystem path
+* @param open_mode File stream open mode
+*/
 template <typename FileStream>
 void OpenFileStream(FileStream& file_stream, const std::filesystem::path& path,
                     std::ios_base::openmode open_mode) {
@@ -45,14 +49,14 @@ void OpenFileStream(FileStream& file_stream, const Path& path, std::ios_base::op
 #endif
 
 /**
- * Reads an entire file at path and returns a string of the contents read from the file.
- * If the filesystem object at path is not a regular file, this function returns an empty string.
- *
- * @param path Filesystem path
- * @param type File type
- *
- * @returns A string of the contents read from the file.
- */
+* Reads an entire file at path and returns a string of the contents read from the file.
+* If the filesystem object at path is not a regular file, this function returns an empty string.
+*
+* @param path Filesystem path
+* @param type File type
+*
+* @returns A string of the contents read from the file.
+*/
 [[nodiscard]] std::string ReadStringFromFile(const std::filesystem::path& path, FileType type);
 
 #ifdef _WIN32
@@ -67,18 +71,18 @@ template <typename Path>
 #endif
 
 /**
- * Writes a string to a file at path and returns the number of characters successfully written.
- * If a file already exists at path, its contents will be erased.
- * If a file does not exist at path, it creates and opens a new empty file for writing.
- * If the filesystem object at path exists and is not a regular file, this function returns 0.
- *
- * @param path Filesystem path
- * @param type File type
- *
- * @returns Number of characters successfully written.
- */
+* Writes a string to a file at path and returns the number of characters successfully written.
+* If a file already exists at path, its contents will be erased.
+* If a file does not exist at path, it creates and opens a new empty file for writing.
+* If the filesystem object at path exists and is not a regular file, this function returns 0.
+*
+* @param path Filesystem path
+* @param type File type
+*
+* @returns Number of characters successfully written.
+*/
 [[nodiscard]] size_t WriteStringToFile(const std::filesystem::path& path, FileType type,
-                                       std::string_view string);
+                                    std::string_view string);
 
 #ifdef _WIN32
 template <typename Path>
@@ -92,15 +96,15 @@ template <typename Path>
 #endif
 
 /**
- * Appends a string to a file at path and returns the number of characters successfully written.
- * If a file does not exist at path, it creates and opens a new empty file for appending.
- * If the filesystem object at path exists and is not a regular file, this function returns 0.
- *
- * @param path Filesystem path
- * @param type File type
- *
- * @returns Number of characters successfully written.
- */
+* Appends a string to a file at path and returns the number of characters successfully written.
+* If a file does not exist at path, it creates and opens a new empty file for appending.
+* If the filesystem object at path exists and is not a regular file, this function returns 0.
+*
+* @param path Filesystem path
+* @param type File type
+*
+* @returns Number of characters successfully written.
+*/
 [[nodiscard]] size_t AppendStringToFile(const std::filesystem::path& path, FileType type,
                                         std::string_view string);
 
@@ -128,14 +132,14 @@ public:
                     FileShareFlag flag = FileShareFlag::ShareReadOnly);
 
     /**
-     * An IOFile is a lightweight wrapper on C Library file operations.
-     * Automatically closes an open file on the destruction of an IOFile object.
-     *
-     * @param path Filesystem path
-     * @param mode File access mode
-     * @param type File type, default is BinaryFile. Use TextFile to open the file as a text file
-     * @param flag (Windows only) File-share access flag, default is ShareReadOnly
-     */
+    * An IOFile is a lightweight wrapper on C Library file operations.
+    * Automatically closes an open file on the destruction of an IOFile object.
+    *
+    * @param path Filesystem path
+    * @param mode File access mode
+    * @param type File type, default is BinaryFile. Use TextFile to open the file as a text file
+    * @param flag (Windows only) File-share access flag, default is ShareReadOnly
+    */
     explicit IOFile(const std::filesystem::path& path, FileAccessMode mode,
                     FileType type = FileType::BinaryFile,
                     FileShareFlag flag = FileShareFlag::ShareReadOnly);
@@ -149,84 +153,70 @@ public:
     IOFile& operator=(IOFile&& other) noexcept;
 
     /**
-     * Gets the path of the file.
-     *
-     * @returns The path of the file.
-     */
+    * Gets the path of the file.
+    *
+    * @returns The path of the file.
+    */
     [[nodiscard]] std::filesystem::path GetPath() const;
 
     /**
-     * Gets the access mode of the file.
-     *
-     * @returns The access mode of the file.
-     */
+    * Gets the access mode of the file.
+    *
+    * @returns The access mode of the file.
+    */
     [[nodiscard]] FileAccessMode GetAccessMode() const;
 
     /**
-     * Gets the type of the file.
-     *
-     * @returns The type of the file.
-     */
+    * Gets the type of the file.
+    *
+    * @returns The type of the file.
+    */
     [[nodiscard]] FileType GetType() const;
 
     /**
-     * Opens a file at path with the specified file access mode.
-     * This function behaves differently depending on the FileAccessMode.
-     * These behaviors are documented in each enum value of FileAccessMode.
-     *
-     * @param path Filesystem path
-     * @param mode File access mode
-     * @param type File type, default is BinaryFile. Use TextFile to open the file as a text file
-     * @param flag (Windows only) File-share access flag, default is ShareReadOnly
-     */
+    * Opens a file at path with the specified file access mode.
+    * This function behaves differently depending on the FileAccessMode.
+    * These behaviors are documented in each enum value of FileAccessMode.
+    *
+    * @param path Filesystem path
+    * @param mode File access mode
+    * @param type File type, default is BinaryFile. Use TextFile to open the file as a text file
+    * @param flag (Windows only) File-share access flag, default is ShareReadOnly
+    */
     void Open(const std::filesystem::path& path, FileAccessMode mode,
-              FileType type = FileType::BinaryFile,
-              FileShareFlag flag = FileShareFlag::ShareReadOnly);
-
-// #ifdef _WIN32
-//     template <typename Path>
-//     void Open(const Path& path, FileAccessMode mode, FileType type = FileType::BinaryFile,
-//               FileShareFlag flag = FileShareFlag::ShareReadOnly) {
-//         using ValueType = typename Path::value_type;
-//         if constexpr (IsChar<ValueType>) {
-//             Open(ToU8String(path), mode, type, flag);
-//         } else {
-//             Open(std::filesystem::path{path}, mode, type, flag);
-//         }
-//     }
-// #endif
+            FileType type = FileType::BinaryFile,
+            FileShareFlag flag = FileShareFlag::ShareReadOnly);
 
     /// Closes the file if it is opened.
     void Close();
 
     /**
-     * Checks whether the file is open.
-     * Use this to check whether the calls to Open() or Close() succeeded.
-     *
-     * @returns True if the file is open, false otherwise.
-     */
+    * Checks whether the file is open.
+    * Use this to check whether the calls to Open() or Close() succeeded.
+    *
+    * @returns True if the file is open, false otherwise.
+    */
     [[nodiscard]] bool IsOpen() const;
 
     /**
-     * Helper function which deduces the value type of a contiguous STL container used in ReadSpan.
-     * If T is not a contiguous container as defined by the concept IsContiguousContainer, this
-     * calls ReadObject and T must be a trivially copyable object.
-     *
-     * See ReadSpan for more details if T is a contiguous container.
-     * See ReadObject for more details if T is a trivially copyable object.
-     *
-     * @tparam T Contiguous container or trivially copyable object
-     *
-     * @param data Container of T::value_type data or reference to object
-     *
-     * @returns Count of T::value_type data or objects successfully read.
-     */
+    * Helper function which deduces the value type of a contiguous STL container used in ReadSpan.
+    * If T is not a contiguous container as defined by the concept IsContiguousContainer, this
+    * calls ReadObject and T must be a trivially copyable object.
+    *
+    * See ReadSpan for more details if T is a contiguous container.
+    * See ReadObject for more details if T is a trivially copyable object.
+    *
+    * @tparam T Contiguous container or trivially copyable object
+    *
+    * @param data Container of T::value_type data or reference to object
+    *
+    * @returns Count of T::value_type data or objects successfully read.
+    */
     template <typename T>
     [[nodiscard]] size_t Read(T& data) const {
         if constexpr (IsContiguousContainer<T>) {
             using ContiguousType = typename T::value_type;
-            static_assert(std::is_trivially_copyable_v<ContiguousType>,
-                          "Data type must be trivially copyable.");
+            static_assert(std::is_trivially_copyable_v<ContiguousType>, "Data type must be trivially copyable.");
             return ReadSpan<ContiguousType>(data);
         } else {
             return ReadObject(data) ? 1 : 0;
@@ -234,25 +224,24 @@ public:
     }
 
     /**
-     * Helper function which deduces the value type of a contiguous STL container used in WriteSpan.
-     * If T is not a contiguous STL container as defined by the concept IsContiguousContainer, this
-     * calls WriteObject and T must be a trivially copyable object.
-     *
-     * See WriteSpan for more details if T is a contiguous container.
-     * See WriteObject for more details if T is a trivially copyable object.
-     *
-     * @tparam T Contiguous container or trivially copyable object
-     *
-     * @param data Container of T::value_type data or const reference to object
-     *
-     * @returns Count of T::value_type data or objects successfully written.
-     */
+    * Helper function which deduces the value type of a contiguous STL container used in WriteSpan.
+    * If T is not a contiguous STL container as defined by the concept IsContiguousContainer, this
+    * calls WriteObject and T must be a trivially copyable object.
+    *
+    * See WriteSpan for more details if T is a contiguous container.
+    * See WriteObject for more details if T is a trivially copyable object.
+    *
+    * @tparam T Contiguous container or trivially copyable object
+    *
+    * @param data Container of T::value_type data or const reference to object
+    *
+    * @returns Count of T::value_type data or objects successfully written.
+    */
     template <typename T>
     [[nodiscard]] size_t Write(const T& data) const {
         if constexpr (IsContiguousContainer<T>) {
             using ContiguousType = typename T::value_type;
-            static_assert(std::is_trivially_copyable_v<ContiguousType>,
-                          "Data type must be trivially copyable.");
+            static_assert(std::is_trivially_copyable_v<ContiguousType>, "Data type must be trivially copyable.");
             return WriteSpan<ContiguousType>(data);
         } else {
             static_assert(std::is_trivially_copyable_v<T>, "Data type must be trivially copyable.");
@@ -261,199 +250,219 @@ public:
     }
 
     /**
-     * Reads a span of T data from a file sequentially.
-     * This function reads from the current position of the file pointer and
-     * advances it by the (count of T * sizeof(T)) bytes successfully read.
-     *
-     * Failures occur when:
-     * - The file is not open
-     * - The opened file lacks read permissions
-     * - Attempting to read beyond the end-of-file
-     *
-     * @tparam T Data type
-     *
-     * @param data Span of T data
-     *
-     * @returns Count of T data successfully read.
-     */
+    * Reads a span of T data from a file sequentially.
+    * This function reads from the current position of the file pointer and
+    * advances it by the (count of T * sizeof(T)) bytes successfully read.
+    *
+    * Failures occur when:
+    * - The file is not open
+    * - The opened file lacks read permissions
+    * - Attempting to read beyond the end-of-file
+    *
+    * @tparam T Data type
+    *
+    * @param data Span of T data
+    *
+    * @returns Count of T data successfully read.
+    */
     template <typename T>
     [[nodiscard]] size_t ReadSpan(std::span<T> data) const {
         static_assert(std::is_trivially_copyable_v<T>, "Data type must be trivially copyable.");
-
-        if (!IsOpen()) {
-            return 0;
+        if (IsMappedFile()) {
+            std::memcpy(data.data(), mmap_base + mmap_offset, sizeof(T) * data.size());
+            return data.size();
         }
-
-        return std::fread(data.data(), sizeof(T), data.size(), file);
+        return IsOpen() ? std::fread(data.data(), sizeof(T), data.size(), file) : 0;
     }
 
     /**
-     * Writes a span of T data to a file sequentially.
-     * This function writes from the current position of the file pointer and
-     * advances it by the (count of T * sizeof(T)) bytes successfully written.
-     *
-     * Failures occur when:
-     * - The file is not open
-     * - The opened file lacks write permissions
-     *
-     * @tparam T Data type
-     *
-     * @param data Span of T data
-     *
-     * @returns Count of T data successfully written.
-     */
+    * Writes a span of T data to a file sequentially.
+    * This function writes from the current position of the file pointer and
+    * advances it by the (count of T * sizeof(T)) bytes successfully written.
+    *
+    * Failures occur when:
+    * - The file is not open
+    * - The opened file lacks write permissions
+    *
+    * @tparam T Data type
+    *
+    * @param data Span of T data
+    *
+    * @returns Count of T data successfully written.
+    */
     template <typename T>
     [[nodiscard]] size_t WriteSpan(std::span<const T> data) const {
         static_assert(std::is_trivially_copyable_v<T>, "Data type must be trivially copyable.");
-
-        if (!IsOpen()) {
-            return 0;
+        if (IsMappedFile()) {
+            std::memcpy(mmap_base + mmap_offset, data.data(), sizeof(T) * data.size());
+            return data.size();
         }
-
-        return std::fwrite(data.data(), sizeof(T), data.size(), file);
+        return IsOpen() ? std::fwrite(data.data(), sizeof(T), data.size(), file) : 0;
     }
 
     /**
-     * Reads a T object from a file sequentially.
-     * This function reads from the current position of the file pointer and
-     * advances it by the sizeof(T) bytes successfully read.
-     *
-     * Failures occur when:
-     * - The file is not open
-     * - The opened file lacks read permissions
-     * - Attempting to read beyond the end-of-file
-     *
-     * @tparam T Data type
-     *
-     * @param object Reference to object
-     *
-     * @returns True if the object is successfully read from the file, false otherwise.
-     */
+    * Reads a T object from a file sequentially.
+    * This function reads from the current position of the file pointer and
+    * advances it by the sizeof(T) bytes successfully read.
+    *
+    * Failures occur when:
+    * - The file is not open
+    * - The opened file lacks read permissions
+    * - Attempting to read beyond the end-of-file
+    *
+    * @tparam T Data type
+    *
+    * @param object Reference to object
+    *
+    * @returns True if the object is successfully read from the file, false otherwise.
+    */
     template <typename T>
     [[nodiscard]] bool ReadObject(T& object) const {
         static_assert(std::is_trivially_copyable_v<T>, "Data type must be trivially copyable.");
         static_assert(!std::is_pointer_v<T>, "T must not be a pointer to an object.");
-
-        if (!IsOpen()) {
-            return false;
+        if (IsMappedFile()) {
+            std::memcpy(&object, mmap_base + mmap_offset, sizeof(T));
+#ifdef _WIN32
+            return bool(sizeof(T));
+#else
+            return sizeof(T);
+#endif
         }
-
-        return std::fread(&object, sizeof(T), 1, file) == 1;
+        return IsOpen() ? std::fread(&object, sizeof(T), 1, file) == 1 : false;
     }
 
     /**
-     * Writes a T object to a file sequentially.
-     * This function writes from the current position of the file pointer and
-     * advances it by the sizeof(T) bytes successfully written.
-     *
-     * Failures occur when:
-     * - The file is not open
-     * - The opened file lacks write permissions
-     *
-     * @tparam T Data type
-     *
-     * @param object Const reference to object
-     *
-     * @returns True if the object is successfully written to the file, false otherwise.
-     */
+    * Writes a T object to a file sequentially.
+    * This function writes from the current position of the file pointer and
+    * advances it by the sizeof(T) bytes successfully written.
+    *
+    * Failures occur when:
+    * - The file is not open
+    * - The opened file lacks write permissions
+    *
+    * @tparam T Data type
+    *
+    * @param object Const reference to object
+    *
+    * @returns True if the object is successfully written to the file, false otherwise.
+    */
     template <typename T>
     [[nodiscard]] bool WriteObject(const T& object) const {
         static_assert(std::is_trivially_copyable_v<T>, "Data type must be trivially copyable.");
         static_assert(!std::is_pointer_v<T>, "T must not be a pointer to an object.");
-
-        if (!IsOpen()) {
-            return false;
+        if (IsMappedFile()) {
+            std::memcpy(mmap_base + mmap_offset, &object, sizeof(T));
+#ifdef _WIN32
+            return sizeof(T) != 0;
+#else
+            return sizeof(T);
+#endif
         }
-
-        return std::fwrite(&object, sizeof(T), 1, file) == 1;
+        return IsOpen() ? std::fwrite(&object, sizeof(T), 1, file) == 1 : false;
     }
 
     /**
-     * Specialized function to read a string of a given length from a file sequentially.
-     * This function writes from the current position of the file pointer and
-     * advances it by the number of characters successfully read.
-     * The size of the returned string may not match length if not all bytes are successfully read.
-     *
-     * @param length Length of the string
-     *
-     * @returns A string read from the file.
-     */
+    * Specialized function to read a string of a given length from a file sequentially.
+    * This function writes from the current position of the file pointer and
+    * advances it by the number of characters successfully read.
+    * The size of the returned string may not match length if not all bytes are successfully read.
+    *
+    * @param length Length of the string
+    *
+    * @returns A string read from the file.
+    */
     [[nodiscard]] std::string ReadString(size_t length) const;
 
     /**
-     * Specialized function to write a string to a file sequentially.
-     * This function writes from the current position of the file pointer and
-     * advances it by the number of characters successfully written.
-     *
-     * @param string Span of const char backed std::string or std::string_view
-     *
-     * @returns Number of characters successfully written.
-     */
+    * Specialized function to write a string to a file sequentially.
+    * This function writes from the current position of the file pointer and
+    * advances it by the number of characters successfully written.
+    *
+    * @param string Span of const char backed std::string or std::string_view
+    *
+    * @returns Number of characters successfully written.
+    */
     [[nodiscard]] size_t WriteString(std::span<const char> string) const;
 
     /**
-     * Attempts to flush any unwritten buffered data into the file.
-     *
-     * @returns True if the flush was successful, false otherwise.
-     */
+    * Attempts to flush any unwritten buffered data into the file.
+    *
+    * @returns True if the flush was successful, false otherwise.
+    */
     bool Flush() const;
 
     /**
-     * Attempts to commit the file into the disk.
-     * Note that this is an expensive operation as this forces the operating system to write
-     * the contents of the file associated with the file descriptor into the disk.
-     *
-     * @returns True if the commit was successful, false otherwise.
-     */
+    * Attempts to commit the file into the disk.
+    * Note that this is an expensive operation as this forces the operating system to write
+    * the contents of the file associated with the file descriptor into the disk.
+    *
+    * @returns True if the commit was successful, false otherwise.
+    */
     bool Commit() const;
 
     /**
-     * Resizes the file to a given size.
-     * If the file is resized to a smaller size, the remainder of the file is discarded.
-     * If the file is resized to a larger size, the new area appears as if zero-filled.
-     *
-     * Failures occur when:
-     * - The file is not open
-     *
-     * @param size File size in bytes
-     *
-     * @returns True if the file resize succeeded, false otherwise.
-     */
+    * Resizes the file to a given size.
+    * If the file is resized to a smaller size, the remainder of the file is discarded.
+    * If the file is resized to a larger size, the new area appears as if zero-filled.
+    *
+    * Failures occur when:
+    * - The file is not open
+    *
+    * @param size File size in bytes
+    *
+    * @returns True if the file resize succeeded, false otherwise.
+    */
     [[nodiscard]] bool SetSize(u64 size) const;
 
     /**
-     * Gets the size of the file.
-     *
-     * Failures occur when:
-     * - The file is not open
-     *
-     * @returns The file size in bytes of the file. Returns 0 on failure.
-     */
+    * Gets the size of the file.
+    *
+    * Failures occur when:
+    * - The file is not open
+    *
+    * @returns The file size in bytes of the file. Returns 0 on failure.
+    */
     [[nodiscard]] u64 GetSize() const;
 
     /**
-     * Moves the current position of the file pointer with the specified offset and seek origin.
-     *
-     * @param offset Offset from seek origin
-     * @param origin Seek origin
-     *
-     * @returns True if the file pointer has moved to the specified offset, false otherwise.
-     */
+    * Moves the current position of the file pointer with the specified offset and seek origin.
+    *
+    * @param offset Offset from seek origin
+    * @param origin Seek origin
+    *
+    * @returns True if the file pointer has moved to the specified offset, false otherwise.
+    */
     [[nodiscard]] bool Seek(s64 offset, SeekOrigin origin = SeekOrigin::SetOrigin) const;
 
     /**
-     * Gets the current position of the file pointer.
-     *
-     * @returns The current position of the file pointer.
-     */
+    * Gets the current position of the file pointer.
+    *
+    * @returns The current position of the file pointer.
+    */
     [[nodiscard]] s64 Tell() const;
 
-private:
+#ifdef _WIN32
+    inline bool IsMappedFile() const noexcept { return mapping_handle != nullptr; }
+#else // POSIX
+    inline bool IsMappedFile() const noexcept { return mmap_fd != -1; }
+#endif
+
     std::filesystem::path file_path;
     FileAccessMode file_access_mode{};
     FileType file_type{};
-
     std::FILE* file = nullptr;
+    // Any decent system should have mmap() for files
+    // Systems with artifical mmap() limitations should simply change the logic within file.cpp
+    // and reduce the threshold for which the mmap() is set to
+#ifdef _WIN32
+    void *mapping_handle = nullptr;
+    void *file_handle = nullptr;
+#else // POSIX
+    int mmap_fd = -1;
+#endif
+    u8* mmap_base = nullptr;
+    size_t mmap_size = 0;
+    mutable s64 mmap_offset = 0; // fuck you
 };
 
 } // namespace Common::FS

src/common/wall_clock.cpp

@@ -1,77 +1,196 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/steady_clock.h"
+#include "common/uint128.h"
 #include "common/wall_clock.h"
 
+#ifdef __ANDROID__
+#include <sys/system_properties.h>
+#endif
 #ifdef ARCHITECTURE_x86_64
 #include "common/x64/cpu_detect.h"
-#include "common/x64/native_clock.h"
 #include "common/x64/rdtsc.h"
 #endif
-#ifdef HAS_NCE
-#include "common/arm64/native_clock.h"
-#endif
 
 namespace Common {
 
-class StandardWallClock final : public WallClock {
-public:
-    explicit StandardWallClock() {}
-
-    std::chrono::nanoseconds GetTimeNS() const override {
-        return std::chrono::duration_cast<std::chrono::nanoseconds>(
-            std::chrono::system_clock::now().time_since_epoch());
-    }
-
-    std::chrono::microseconds GetTimeUS() const override {
-        return std::chrono::duration_cast<std::chrono::microseconds>(
-            std::chrono::system_clock::now().time_since_epoch());
-    }
-
-    std::chrono::milliseconds GetTimeMS() const override {
-        return std::chrono::duration_cast<std::chrono::milliseconds>(
-            std::chrono::system_clock::now().time_since_epoch());
-    }
-
-    s64 GetCNTPCT() const override {
-        return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
-    }
-
-    s64 GetGPUTick() const override {
-        return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
-    }
-
-    s64 GetUptime() const override {
-        return std::chrono::duration_cast<std::chrono::nanoseconds>(
-                   std::chrono::steady_clock::now().time_since_epoch())
-            .count();
-    }
-
-    bool IsNative() const override {
-        return false;
-    }
-};
-
-std::unique_ptr<WallClock> CreateOptimalClock() {
 #if defined(ARCHITECTURE_x86_64)
-    const auto& caps = GetCPUCaps();
+WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept
+    : invariant{invariant_}
+    , rdtsc_frequency{rdtsc_frequency_}
+    , ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency_)}
+    , us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency_)}
+    , ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency_)}
+    , cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency_)}
+    , gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency_)}
+{}
 
-    if (caps.invariant_tsc && caps.tsc_frequency >= std::nano::den) {
-        return std::make_unique<X64::NativeClock>(caps.tsc_frequency);
-    } else {
-        // Fallback to StandardWallClock if the hardware TSC
-        // - Is not invariant
-        // - Is not more precise than 1 GHz (1ns resolution)
-        return std::make_unique<StandardWallClock>();
-    }
+std::chrono::nanoseconds WallClock::GetTimeNS() const {
+    if (invariant)
+        return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch());
+    return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_rdtsc_factor)};
+}
+
+std::chrono::microseconds WallClock::GetTimeUS() const {
+    if (invariant)
+        return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch());
+    return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_rdtsc_factor)};
+}
+
+std::chrono::milliseconds WallClock::GetTimeMS() const {
+    if (invariant)
+        return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch());
+    return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_rdtsc_factor)};
+}
+
+s64 WallClock::GetCNTPCT() const {
+    if (invariant)
+        return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
+    return MultiplyHigh(GetUptime(), cntpct_rdtsc_factor);
+}
+
+s64 WallClock::GetGPUTick() const {
+    if (invariant)
+        return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
+    return MultiplyHigh(GetUptime(), gputick_rdtsc_factor);
+}
+
+s64 WallClock::GetUptime() const {
+    if (invariant)
+        return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
+    return s64(Common::X64::FencedRDTSC());
+}
+
+bool WallClock::IsNative() const {
+    if (invariant)
+        return false;
+    return true;
+}
 #elif defined(HAS_NCE)
-    return std::make_unique<Arm64::NativeClock>();
+namespace {
+
+[[nodiscard]] WallClock::FactorType GetFixedPointFactor(u64 num, u64 den) noexcept {
+    return (WallClock::FactorType(num) << 64) / den;
+}
+
+[[nodiscard]] u64 MultiplyHigh(u64 m, WallClock::FactorType factor) noexcept {
+    return static_cast<u64>((m * factor) >> 64);
+}
+
+[[nodiscard]] s64 GetHostCNTFRQ() noexcept {
+    u64 cntfrq_el0 = 0;
+#ifdef ANDROID
+    std::string_view board{""};
+    char buffer[PROP_VALUE_MAX];
+    int len{__system_property_get("ro.product.board", buffer)};
+    board = std::string_view(buffer, static_cast<size_t>(len));
+    if (board == "s5e9925") { // Exynos 2200
+        cntfrq_el0 = 25600000;
+    } else if (board == "exynos2100") { // Exynos 2100
+        cntfrq_el0 = 26000000;
+    } else if (board == "exynos9810") { // Exynos 9810
+        cntfrq_el0 = 26000000;
+    } else if (board == "s5e8825") { // Exynos 1280
+        cntfrq_el0 = 26000000;
+    } else {
+        asm volatile("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
+    }
+    return cntfrq_el0;
 #else
-    return std::make_unique<StandardWallClock>();
+    asm volatile("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
+    return cntfrq_el0;
+#endif
+}
+
+} // namespace
+
+WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept {
+    const u64 host_cntfrq = std::max<u64>(GetHostCNTFRQ(), 1);
+    ns_cntfrq_factor = GetFixedPointFactor(NsRatio::den, host_cntfrq);
+    us_cntfrq_factor = GetFixedPointFactor(UsRatio::den, host_cntfrq);
+    ms_cntfrq_factor = GetFixedPointFactor(MsRatio::den, host_cntfrq);
+    guest_cntfrq_factor = GetFixedPointFactor(CNTFRQ, host_cntfrq);
+    gputick_cntfrq_factor = GetFixedPointFactor(GPUTickFreq, host_cntfrq);
+}
+
+std::chrono::nanoseconds WallClock::GetTimeNS() const {
+    return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_cntfrq_factor)};
+}
+
+std::chrono::microseconds WallClock::GetTimeUS() const {
+    return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_cntfrq_factor)};
+}
+
+std::chrono::milliseconds WallClock::GetTimeMS() const {
+    return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_cntfrq_factor)};
+}
+
+s64 WallClock::GetCNTPCT() const {
+    return MultiplyHigh(GetUptime(), guest_cntfrq_factor);
+}
+
+s64 WallClock::GetGPUTick() const {
+    return MultiplyHigh(GetUptime(), gputick_cntfrq_factor);
+}
+
+s64 WallClock::GetUptime() const {
+    s64 cntvct_el0 = 0;
+    asm volatile(
+        "dsb ish\n\t"
+        "mrs %[cntvct_el0], cntvct_el0\n\t"
+        "dsb ish\n\t"
+        : [cntvct_el0] "=r"(cntvct_el0)
+    );
+    return cntvct_el0;
+}
+
+bool WallClock::IsNative() const {
+    return true;
+}
+#else
+WallClock::WallClock(bool invariant_, u64 rdtsc_frequency_) noexcept {}
+
+std::chrono::nanoseconds WallClock::GetTimeNS() const {
+    return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch());
+}
+
+std::chrono::microseconds WallClock::GetTimeUS() const {
+    return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch());
+}
+
+std::chrono::milliseconds WallClock::GetTimeMS() const {
+    return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch());
+}
+
+s64 WallClock::GetCNTPCT() const {
+    return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
+}
+
+s64 WallClock::GetGPUTick() const {
+    return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
+}
+
+s64 WallClock::GetUptime() const {
+    return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
+}
+
+bool WallClock::IsNative() const {
+    return false;
+}
+#endif
+
+WallClock CreateOptimalClock() noexcept {
+#if defined(ARCHITECTURE_x86_64)
+    auto const& caps = GetCPUCaps();
+    return WallClock(!(caps.invariant_tsc && caps.tsc_frequency >= std::nano::den), std::max<u64>(caps.tsc_frequency, 1));
+#elif defined(HAS_NCE)
+    return WallClock(false, 1);
+#else
+    return WallClock(true, 1);
 #endif
 }
 

src/common/wall_clock.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@@ -20,28 +20,28 @@ public:
     static constexpr u64 GPUTickFreq = 614'400'000;   // GM20B GPU Tick Frequency = 614.4 MHz
     static constexpr u64 CPUTickFreq = 1'020'000'000; // T210/4 A57 CPU Tick Frequency = 1020.0 MHz
 
-    virtual ~WallClock() = default;
+    explicit WallClock(bool invariant, u64 rdtsc_frequency_) noexcept;
 
     /// @returns The time in nanoseconds since the construction of this clock.
-    virtual std::chrono::nanoseconds GetTimeNS() const = 0;
+    std::chrono::nanoseconds GetTimeNS() const;
 
     /// @returns The time in microseconds since the construction of this clock.
-    virtual std::chrono::microseconds GetTimeUS() const = 0;
+    std::chrono::microseconds GetTimeUS() const;
 
     /// @returns The time in milliseconds since the construction of this clock.
-    virtual std::chrono::milliseconds GetTimeMS() const = 0;
+    std::chrono::milliseconds GetTimeMS() const;
 
     /// @returns The guest CNTPCT ticks since the construction of this clock.
-    virtual s64 GetCNTPCT() const = 0;
+    s64 GetCNTPCT() const;
 
     /// @returns The guest GPU ticks since the construction of this clock.
-    virtual s64 GetGPUTick() const = 0;
+    s64 GetGPUTick() const;
 
     /// @returns The raw host timer ticks since an indeterminate epoch.
-    virtual s64 GetUptime() const = 0;
+    s64 GetUptime() const;
 
     /// @returns Whether the clock directly uses the host's hardware clock.
-    virtual bool IsNative() const = 0;
+    bool IsNative() const;
 
     static inline u64 NSToCNTPCT(u64 ns) {
         return ns * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
@@ -85,8 +85,33 @@ protected:
     using CPUTickToUsRatio = std::ratio<std::micro::den, CPUTickFreq>;
     using CPUTickToCNTPCTRatio = std::ratio<CNTFRQ, CPUTickFreq>;
     using CPUTickToGPUTickRatio = std::ratio<GPUTickFreq, CPUTickFreq>;
+
+#if defined(ARCHITECTURE_x86_64)
+    bool invariant;
+    u64 rdtsc_frequency;
+    u64 ns_rdtsc_factor;
+    u64 us_rdtsc_factor;
+    u64 ms_rdtsc_factor;
+    u64 cntpct_rdtsc_factor;
+    u64 gputick_rdtsc_factor;
+#elif defined(HAS_NCE)
+public:
+    using FactorType = unsigned __int128;
+
+    FactorType GetGuestCNTFRQFactor() const {
+        return guest_cntfrq_factor;
+    }
+protected:
+    FactorType ns_cntfrq_factor;
+    FactorType us_cntfrq_factor;
+    FactorType ms_cntfrq_factor;
+    FactorType guest_cntfrq_factor;
+    FactorType gputick_cntfrq_factor;
+#else
+
+#endif
 };
 
-[[nodiscard]] std::unique_ptr<WallClock> CreateOptimalClock();
+[[nodiscard]] WallClock CreateOptimalClock() noexcept;
 
 } // namespace Common

src/common/x64/native_clock.cpp

@@ -1,46 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include "common/uint128.h"
-#include "common/x64/native_clock.h"
-#include "common/x64/rdtsc.h"
-
-namespace Common::X64 {
-
-NativeClock::NativeClock(u64 rdtsc_frequency_)
-    : rdtsc_frequency{rdtsc_frequency_}, ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den,
-                                                                               rdtsc_frequency)},
-      us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency)},
-      ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency)},
-      cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency)},
-      gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency)} {}
-
-std::chrono::nanoseconds NativeClock::GetTimeNS() const {
-    return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_rdtsc_factor)};
-}
-
-std::chrono::microseconds NativeClock::GetTimeUS() const {
-    return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_rdtsc_factor)};
-}
-
-std::chrono::milliseconds NativeClock::GetTimeMS() const {
-    return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_rdtsc_factor)};
-}
-
-s64 NativeClock::GetCNTPCT() const {
-    return MultiplyHigh(GetUptime(), cntpct_rdtsc_factor);
-}
-
-s64 NativeClock::GetGPUTick() const {
-    return MultiplyHigh(GetUptime(), gputick_rdtsc_factor);
-}
-
-s64 NativeClock::GetUptime() const {
-    return static_cast<s64>(FencedRDTSC());
-}
-
-bool NativeClock::IsNative() const {
-    return true;
-}
-
-} // namespace Common::X64

src/common/x64/native_clock.h

@@ -1,38 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include "common/wall_clock.h"
-
-namespace Common::X64 {
-
-class NativeClock final : public WallClock {
-public:
-    explicit NativeClock(u64 rdtsc_frequency_);
-
-    std::chrono::nanoseconds GetTimeNS() const override;
-
-    std::chrono::microseconds GetTimeUS() const override;
-
-    std::chrono::milliseconds GetTimeMS() const override;
-
-    s64 GetCNTPCT() const override;
-
-    s64 GetGPUTick() const override;
-
-    s64 GetUptime() const override;
-
-    bool IsNative() const override;
-
-private:
-    u64 rdtsc_frequency;
-
-    u64 ns_rdtsc_factor;
-    u64 us_rdtsc_factor;
-    u64 ms_rdtsc_factor;
-    u64 cntpct_rdtsc_factor;
-    u64 gputick_rdtsc_factor;
-};
-
-} // namespace Common::X64

src/common/x64/xbyak.h

@@ -1,13 +1,37 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: 2016 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
+#include <type_traits>
 #include <bitset>
 #include <initializer_list>
-#include <xbyak/xbyak.h>
 #include "common/assert.h"
 
+// xbyak hates human beings
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-Wconversion"
+#pragma GCC diagnostic ignored "-Wshadow"
+#endif
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wconversion"
+#pragma clang diagnostic ignored "-Wshadow"
+#endif
+
+// You must ensure this matches with src/common/x64/xbyak.h on root dir
+#include <ankerl/unordered_dense.h>
+#include <boost/unordered_map.hpp>
+#define XBYAK_STD_UNORDERED_SET ankerl::unordered_dense::set
+#define XBYAK_STD_UNORDERED_MAP ankerl::unordered_dense::map
+#define XBYAK_STD_UNORDERED_MULTIMAP boost::unordered_multimap
+#include <xbyak/xbyak.h>
+#include <xbyak/xbyak_util.h>
+
+#include <xbyak/xbyak.h>
+
 namespace Common::X64 {
 
 constexpr size_t RegToIndex(const Xbyak::Reg& reg) {
@@ -174,12 +198,13 @@ inline ABIFrameInfo ABI_CalculateFrameSize(std::bitset<32> regs, size_t rsp_alig
     rsp_alignment -= subtraction;
     subtraction += rsp_alignment & 0xF;
 
-    return ABIFrameInfo{static_cast<s32>(subtraction),
-                        static_cast<s32>(subtraction - xmm_base_subtraction)};
+    return ABIFrameInfo{
+        s32(subtraction),
+        s32(subtraction - xmm_base_subtraction)
+    };
 }
 
-inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bitset<32> regs,
-                                              size_t rsp_alignment, size_t needed_frame_size = 0) {
+inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bitset<32> regs, size_t rsp_alignment, size_t needed_frame_size = 0) {
     auto frame_info = ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size);
 
     for (size_t i = 0; i < regs.size(); ++i) {
@@ -202,8 +227,7 @@ inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::b
     return ABI_SHADOW_SPACE;
 }
 
-inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bitset<32> regs,
-                                           size_t rsp_alignment, size_t needed_frame_size = 0) {
+inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bitset<32> regs, size_t rsp_alignment, size_t needed_frame_size = 0) {
     auto frame_info = ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size);
 
     for (size_t i = 0; i < regs.size(); ++i) {
@@ -226,4 +250,38 @@ inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bits
     }
 }
 
+// Constants for use with cmpps/cmpss
+enum {
+    CMP_EQ = 0,
+    CMP_LT = 1,
+    CMP_LE = 2,
+    CMP_UNORD = 3,
+    CMP_NEQ = 4,
+    CMP_NLT = 5,
+    CMP_NLE = 6,
+    CMP_ORD = 7,
+};
+
+constexpr bool IsWithin2G(uintptr_t ref, uintptr_t target) {
+    const u64 distance = target - (ref + 5);
+    return !(distance >= 0x8000'0000ULL && distance <= ~0x8000'0000ULL);
+}
+
+inline bool IsWithin2G(const Xbyak::CodeGenerator& code, uintptr_t target) {
+    return IsWithin2G(reinterpret_cast<uintptr_t>(code.getCurr()), target);
+}
+
+template <typename T>
+inline void CallFarFunction(Xbyak::CodeGenerator& code, const T f) {
+    static_assert(std::is_pointer_v<T>, "Argument must be a (function) pointer.");
+    size_t addr = reinterpret_cast<size_t>(f);
+    if (IsWithin2G(code, addr)) {
+        code.call(f);
+    } else {
+        // ABI_RETURN is a safe temp register to use before a call
+        code.mov(ABI_RETURN, addr);
+        code.call(ABI_RETURN);
+    }
+}
+
 } // namespace Common::X64

src/common/x64/xbyak_util.h

@@ -1,46 +0,0 @@
-// SPDX-FileCopyrightText: 2016 Citra Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <type_traits>
-#include <xbyak/xbyak.h>
-#include "common/x64/xbyak_abi.h"
-
-namespace Common::X64 {
-
-// Constants for use with cmpps/cmpss
-enum {
-    CMP_EQ = 0,
-    CMP_LT = 1,
-    CMP_LE = 2,
-    CMP_UNORD = 3,
-    CMP_NEQ = 4,
-    CMP_NLT = 5,
-    CMP_NLE = 6,
-    CMP_ORD = 7,
-};
-
-constexpr bool IsWithin2G(uintptr_t ref, uintptr_t target) {
-    const u64 distance = target - (ref + 5);
-    return !(distance >= 0x8000'0000ULL && distance <= ~0x8000'0000ULL);
-}
-
-inline bool IsWithin2G(const Xbyak::CodeGenerator& code, uintptr_t target) {
-    return IsWithin2G(reinterpret_cast<uintptr_t>(code.getCurr()), target);
-}
-
-template <typename T>
-inline void CallFarFunction(Xbyak::CodeGenerator& code, const T f) {
-    static_assert(std::is_pointer_v<T>, "Argument must be a (function) pointer.");
-    size_t addr = reinterpret_cast<size_t>(f);
-    if (IsWithin2G(code, addr)) {
-        code.call(f);
-    } else {
-        // ABI_RETURN is a safe temp register to use before a call
-        code.mov(ABI_RETURN, addr);
-        code.call(ABI_RETURN);
-    }
-}
-
-} // namespace Common::X64

src/core/arm/dynarmic/arm_dynarmic_32.cpp

@@ -113,8 +113,7 @@ void DynarmicCallbacks32::CallSVC(u32 swi) {
 }
 
 void DynarmicCallbacks32::AddTicks(u64 ticks) {
-    ASSERT_MSG(!m_parent.m_uses_wall_clock, "Dynarmic ticking disabled");
-
+    ASSERT(!m_parent.m_uses_wall_clock && "Dynarmic ticking disabled");
     // Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a
     // rough approximation of the amount of executed ticks in the system, it may be thrown off
     // if not all cores are doing a similar amount of work. Instead of doing this, we should
@@ -123,14 +122,12 @@ void DynarmicCallbacks32::AddTicks(u64 ticks) {
     u64 amortized_ticks = ticks / Core::Hardware::NUM_CPU_CORES;
     // Always execute at least one tick.
     amortized_ticks = std::max<u64>(amortized_ticks, 1);
-
     m_parent.m_system.CoreTiming().AddTicks(amortized_ticks);
 }
 
 u64 DynarmicCallbacks32::GetTicksRemaining() {
-    ASSERT_MSG(!m_parent.m_uses_wall_clock, "Dynarmic ticking disabled");
-
-    return std::max<s64>(m_parent.m_system.CoreTiming().GetDowncount(), 0);
+    ASSERT(!m_parent.m_uses_wall_clock && "Dynarmic ticking disabled");
+    return std::max<s64>(m_parent.m_system.CoreTiming().downcount, 0);
 }
 
 bool DynarmicCallbacks32::CheckMemoryAccess(u64 addr, u64 size, Kernel::DebugWatchpointType type) {

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -150,8 +150,7 @@ void DynarmicCallbacks64::CallSVC(u32 svc) {
 }
 
 void DynarmicCallbacks64::AddTicks(u64 ticks) {
-    ASSERT_MSG(!m_parent.m_uses_wall_clock, "Dynarmic ticking disabled");
-
+    ASSERT(!m_parent.m_uses_wall_clock && "Dynarmic ticking disabled");
     // Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a
     // rough approximation of the amount of executed ticks in the system, it may be thrown off
     // if not all cores are doing a similar amount of work. Instead of doing this, we should
@@ -160,13 +159,12 @@ void DynarmicCallbacks64::AddTicks(u64 ticks) {
     u64 amortized_ticks = ticks / Core::Hardware::NUM_CPU_CORES;
     // Always execute at least one tick.
     amortized_ticks = std::max<u64>(amortized_ticks, 1);
-
     m_parent.m_system.CoreTiming().AddTicks(amortized_ticks);
 }
 
 u64 DynarmicCallbacks64::GetTicksRemaining() {
     ASSERT(!m_parent.m_uses_wall_clock && "Dynarmic ticking disabled");
-    return std::max<s64>(m_parent.m_system.CoreTiming().GetDowncount(), 0);
+    return std::max<s64>(m_parent.m_system.CoreTiming().downcount, 0);
 }
 
 u64 DynarmicCallbacks64::GetCNTPCT() {

src/core/arm/dynarmic/dynarmic_exclusive_monitor.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -7,28 +10,30 @@
 namespace Core {
 
 DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(Memory::Memory& memory_, std::size_t core_count_)
-    : monitor{core_count_}, memory{memory_} {}
+    : monitor{}
+    , memory{memory_}
+{}
 
 DynarmicExclusiveMonitor::~DynarmicExclusiveMonitor() = default;
 
 u8 DynarmicExclusiveMonitor::ExclusiveRead8(std::size_t core_index, VAddr addr) {
-    return monitor.ReadAndMark<u8>(core_index, addr, [&]() -> u8 { return memory.Read8(addr); });
+    return monitor.ReadAndMark<u8>(core_index, addr, [=]() -> u8 { return memory.Read8(addr); });
 }
 
 u16 DynarmicExclusiveMonitor::ExclusiveRead16(std::size_t core_index, VAddr addr) {
-    return monitor.ReadAndMark<u16>(core_index, addr, [&]() -> u16 { return memory.Read16(addr); });
+    return monitor.ReadAndMark<u16>(core_index, addr, [=]() -> u16 { return memory.Read16(addr); });
 }
 
 u32 DynarmicExclusiveMonitor::ExclusiveRead32(std::size_t core_index, VAddr addr) {
-    return monitor.ReadAndMark<u32>(core_index, addr, [&]() -> u32 { return memory.Read32(addr); });
+    return monitor.ReadAndMark<u32>(core_index, addr, [=]() -> u32 { return memory.Read32(addr); });
 }
 
 u64 DynarmicExclusiveMonitor::ExclusiveRead64(std::size_t core_index, VAddr addr) {
-    return monitor.ReadAndMark<u64>(core_index, addr, [&]() -> u64 { return memory.Read64(addr); });
+    return monitor.ReadAndMark<u64>(core_index, addr, [=]() -> u64 { return memory.Read64(addr); });
 }
 
 u128 DynarmicExclusiveMonitor::ExclusiveRead128(std::size_t core_index, VAddr addr) {
-    return monitor.ReadAndMark<u128>(core_index, addr, [&]() -> u128 {
+    return monitor.ReadAndMark<u128>(core_index, addr, [=]() -> u128 {
         u128 result;
         result[0] = memory.Read64(addr);
         result[1] = memory.Read64(addr + 8);
@@ -41,31 +46,31 @@ void DynarmicExclusiveMonitor::ClearExclusive(std::size_t core_index) {
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) {
-    return monitor.DoExclusiveOperation<u8>(core_index, vaddr, [&](u8 expected) -> bool {
+    return monitor.DoExclusiveOperation<u8>(core_index, vaddr, [=](u8 expected) -> bool {
         return memory.WriteExclusive8(vaddr, value, expected);
     });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) {
-    return monitor.DoExclusiveOperation<u16>(core_index, vaddr, [&](u16 expected) -> bool {
+    return monitor.DoExclusiveOperation<u16>(core_index, vaddr, [=](u16 expected) -> bool {
         return memory.WriteExclusive16(vaddr, value, expected);
     });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) {
-    return monitor.DoExclusiveOperation<u32>(core_index, vaddr, [&](u32 expected) -> bool {
+    return monitor.DoExclusiveOperation<u32>(core_index, vaddr, [=](u32 expected) -> bool {
         return memory.WriteExclusive32(vaddr, value, expected);
     });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) {
-    return monitor.DoExclusiveOperation<u64>(core_index, vaddr, [&](u64 expected) -> bool {
+    return monitor.DoExclusiveOperation<u64>(core_index, vaddr, [=](u64 expected) -> bool {
         return memory.WriteExclusive64(vaddr, value, expected);
     });
 }
 
 bool DynarmicExclusiveMonitor::ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) {
-    return monitor.DoExclusiveOperation<u128>(core_index, vaddr, [&](u128 expected) -> bool {
+    return monitor.DoExclusiveOperation<u128>(core_index, vaddr, [=](u128 expected) -> bool {
         return memory.WriteExclusive128(vaddr, value, expected);
     });
 }

src/core/arm/nce/patcher.cpp

@@ -3,7 +3,7 @@
 
 #include <numeric>
 #include <bit>
-#include "common/arm64/native_clock.h"
+#include "common/wall_clock.h"
 #include "common/alignment.h"
 #include "common/literals.h"
 #include "core/arm/nce/arm_nce.h"
@@ -578,7 +578,11 @@ void Patcher::WriteMsrHandler(ModuleDestLabel module_dest, oaknut::XReg src_reg,
 }
 
 void Patcher::WriteCntpctHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg, oaknut::VectorCodeGenerator& cg) {
-    static Common::Arm64::NativeClock clock{};
+#if defined(HAS_NCE)
+    static Common::WallClock clock(false, 1);
+#else
+    static Common::WallClock clock(true, 1);
+#endif
     const auto factor = clock.GetGuestCNTFRQFactor();
     const auto raw_factor = std::bit_cast<std::array<u64, 2>>(factor);
 

src/core/core_timing.cpp

@@ -57,15 +57,51 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
     Reset();
     on_thread_init = std::move(on_thread_init_);
     event_fifo_id = 0;
-    shutting_down = false;
     cpu_ticks = 0;
     if (is_multicore) {
-        timer_thread.emplace([](CoreTiming& instance) {
+        timer_thread = std::jthread([this](std::stop_token stop_token) {
             Common::SetCurrentThreadName("HostTiming");
             Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
-            instance.on_thread_init();
-            instance.ThreadLoop();
-        }, std::ref(*this));
+            on_thread_init();
+            has_started = true;
+            while (!stop_token.stop_requested()) {
+                while (!paused && !stop_token.stop_requested()) {
+                    paused_set = false;
+                    if (auto const next_time = Advance(); next_time) {
+                        // There are more events left in the queue, wait until the next event.
+                        auto wait_time = *next_time - GetGlobalTimeNs().count();
+                        if (wait_time > 0) {
+#ifdef _WIN32
+                            while (!paused && !event.IsSet() && wait_time > 0) {
+                                wait_time = *next_time - GetGlobalTimeNs().count();
+                                if (wait_time >= timer_resolution_ns) {
+                                    Common::Windows::SleepForOneTick();
+                                } else {
+#ifdef ARCHITECTURE_x86_64
+                                    Common::X64::MicroSleep();
+#else
+                                    std::this_thread::yield();
+#endif
+                                }
+                            }
+                            if (event.IsSet())
+                                event.Reset();
+#else
+                            event.WaitFor(std::chrono::nanoseconds(wait_time));
+#endif
+                        }
+                    } else {
+                        // Queue is empty, wait until another event is scheduled and signals us to
+                        // continue.
+                        wait_set = true;
+                        event.Wait();
+                    }
+                    wait_set = false;
+                }
+                paused_set = true;
+                pause_event.Wait();
+            }
+        });
     }
 }
 
@@ -90,7 +126,7 @@ void CoreTiming::SyncPause(bool is_paused) {
     }
 
     Pause(is_paused);
-    if (timer_thread) {
+    if (timer_thread.joinable()) {
         if (!is_paused) {
             pause_event.Set();
         }
@@ -190,33 +226,22 @@ void CoreTiming::ResetTicks() {
 }
 
 u64 CoreTiming::GetClockTicks() const {
-    u64 fres;
-    if (is_multicore) [[likely]] {
-        fres = clock->GetCNTPCT();
-    } else {
-        fres = Common::WallClock::CPUTickToCNTPCT(cpu_ticks);
+    u64 fres = is_multicore ? clock.GetCNTPCT() : Common::WallClock::CPUTickToCNTPCT(cpu_ticks);
+    if (auto const overclock = Settings::values.fast_cpu_time.GetValue(); overclock != Settings::CpuClock::Off) {
+        fres = u64(f64(fres) * (1.7 + 0.3 * u32(overclock)));
     }
-
-    const auto overclock = Settings::values.fast_cpu_time.GetValue();
-
-     if (overclock != Settings::CpuClock::Off) {
-         fres = (u64) ((double) fres * (1.7 + 0.3 * u32(overclock)));
-     }
-
-     if (Settings::values.sync_core_speed.GetValue()) {
-         const auto ticks = double(fres);
-         const auto speed_limit = double(Settings::SpeedLimit())*0.01;
-         return u64(ticks/speed_limit);
-     } else {
-         return fres;
-     }
+    if (::Settings::values.sync_core_speed.GetValue()) {
+        auto const ticks = f64(fres);
+        auto const speed_limit = f64(Settings::SpeedLimit()) * 0.01;
+        return u64(ticks / speed_limit);
+    }
+    return fres;
 }
 
 u64 CoreTiming::GetGPUTicks() const {
-    if (is_multicore) [[likely]] {
-        return clock->GetGPUTick();
-    }
-    return Common::WallClock::CPUTickToGPUTick(cpu_ticks);
+    return is_multicore
+        ? clock.GetGPUTick()
+        : Common::WallClock::CPUTickToGPUTick(cpu_ticks);
 }
 
 std::optional<s64> CoreTiming::Advance() {
@@ -278,75 +303,29 @@ std::optional<s64> CoreTiming::Advance() {
     }
 }
 
-void CoreTiming::ThreadLoop() {
-    has_started = true;
-    while (!shutting_down) {
-        while (!paused) {
-            paused_set = false;
-            const auto next_time = Advance();
-            if (next_time) {
-                // There are more events left in the queue, wait until the next event.
-                auto wait_time = *next_time - GetGlobalTimeNs().count();
-                if (wait_time > 0) {
-#ifdef _WIN32
-                    while (!paused && !event.IsSet() && wait_time > 0) {
-                        wait_time = *next_time - GetGlobalTimeNs().count();
-                        if (wait_time >= timer_resolution_ns) {
-                            Common::Windows::SleepForOneTick();
-                        } else {
-#ifdef ARCHITECTURE_x86_64
-                            Common::X64::MicroSleep();
-#else
-                            std::this_thread::yield();
-#endif
-                        }
-                    }
-
-                    if (event.IsSet()) {
-                        event.Reset();
-                    }
-#else
-                    event.WaitFor(std::chrono::nanoseconds(wait_time));
-#endif
-                }
-            } else {
-                // Queue is empty, wait until another event is scheduled and signals us to
-                // continue.
-                wait_set = true;
-                event.Wait();
-            }
-            wait_set = false;
-        }
-
-        paused_set = true;
-        pause_event.Wait();
-    }
-}
-
 void CoreTiming::Reset() {
     paused = true;
-    shutting_down = true;
     pause_event.Set();
     event.Set();
-    if (timer_thread) {
-        timer_thread->join();
+    if (timer_thread.joinable()) {
+        timer_thread.request_stop();
+        timer_thread.join();
     }
-    timer_thread.reset();
     has_started = false;
 }
 
-std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const {
-    if (is_multicore) [[likely]] {
-        return clock->GetTimeNS();
-    }
-    return std::chrono::nanoseconds{Common::WallClock::CPUTickToNS(cpu_ticks)};
+/// @brief Returns current time in nanoseconds.
+std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const noexcept {
+    return is_multicore
+        ? clock.GetTimeNS()
+        : std::chrono::nanoseconds{Common::WallClock::CPUTickToNS(cpu_ticks)};
 }
 
-std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const {
-    if (is_multicore) [[likely]] {
-        return clock->GetTimeUS();
-    }
-    return std::chrono::microseconds{Common::WallClock::CPUTickToUS(cpu_ticks)};
+/// @brief Returns current time in microseconds.
+std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const noexcept {
+    return is_multicore
+        ? clock.GetTimeUS()
+        : std::chrono::microseconds{Common::WallClock::CPUTickToUS(cpu_ticks)};
 }
 
 #ifdef _WIN32

src/core/core_timing.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@@ -118,7 +118,7 @@ public:
 
     void Idle();
 
-    s64 GetDowncount() const {
+    s64 GetDowncount() const noexcept {
         return downcount;
     }
 
@@ -128,11 +128,8 @@ public:
     /// Returns the current GPU tick value.
     u64 GetGPUTicks() const;
 
-    /// Returns current time in microseconds.
-    std::chrono::microseconds GetGlobalTimeUs() const;
-
-    /// Returns current time in nanoseconds.
-    std::chrono::nanoseconds GetGlobalTimeNs() const;
+    [[nodiscard]] std::chrono::microseconds GetGlobalTimeUs() const noexcept;
+    [[nodiscard]] std::chrono::nanoseconds GetGlobalTimeNs() const noexcept;
 
     /// Checks for events manually and returns time in nanoseconds for next event, threadsafe.
     std::optional<s64> Advance();
@@ -141,13 +138,11 @@ public:
     void SetTimerResolutionNs(std::chrono::nanoseconds ns);
 #endif
 
-private:
     struct Event;
-    void ThreadLoop();
 
     void Reset();
 
-    std::unique_ptr<Common::WallClock> clock;
+    Common::WallClock clock;
 
     s64 global_timer = 0;
 
@@ -165,11 +160,10 @@ private:
     Common::Event pause_event{};
     mutable std::mutex basic_lock;
     std::mutex advance_lock;
-    std::optional<std::jthread> timer_thread;
+    std::jthread timer_thread;
     std::atomic<bool> paused{};
     std::atomic<bool> paused_set{};
     std::atomic<bool> wait_set{};
-    std::atomic<bool> shutting_down{};
     std::atomic<bool> has_started{};
     std::function<void()> on_thread_init{};
 

src/core/file_sys/system_archive/time_zone_binary.cpp

@@ -1,86 +1,48 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <span>
 #include <vector>
 
 #include "common/swap.h"
 #include "core/file_sys/system_archive/time_zone_binary.h"
+#include "core/file_sys/vfs/vfs_static.h"
+#include "core/file_sys/vfs/vfs_types.h"
 #include "core/file_sys/vfs/vfs_vector.h"
 
 #include "nx_tzdb.h"
 
 namespace FileSys::SystemArchive {
 
-const static std::map<std::string, const std::map<const char*, const std::vector<u8>>&>
-    tzdb_zoneinfo_dirs = {{"Africa", NxTzdb::africa},
-                          {"America", NxTzdb::america},
-                          {"Antarctica", NxTzdb::antarctica},
-                          {"Arctic", NxTzdb::arctic},
-                          {"Asia", NxTzdb::asia},
-                          {"Atlantic", NxTzdb::atlantic},
-                          {"Australia", NxTzdb::australia},
-                          {"Brazil", NxTzdb::brazil},
-                          {"Canada", NxTzdb::canada},
-                          {"Chile", NxTzdb::chile},
-                          {"Etc", NxTzdb::etc},
-                          {"Europe", NxTzdb::europe},
-                          {"Indian", NxTzdb::indian},
-                          {"Mexico", NxTzdb::mexico},
-                          {"Pacific", NxTzdb::pacific},
-                          {"US", NxTzdb::us}};
-
-const static std::map<std::string, const std::map<const char*, const std::vector<u8>>&>
-    tzdb_america_dirs = {{"Argentina", NxTzdb::america_argentina},
-                         {"Indiana", NxTzdb::america_indiana},
-                         {"Kentucky", NxTzdb::america_kentucky},
-                         {"North_Dakota", NxTzdb::america_north_dakota}};
-
-static void GenerateFiles(std::vector<VirtualFile>& directory,
-                          const std::map<const char*, const std::vector<u8>>& files) {
-    for (const auto& [filename, data] : files) {
-        const auto data_copy{data};
-        const std::string filename_copy{filename};
-        VirtualFile file{
-            std::make_shared<VectorVfsFile>(std::move(data_copy), std::move(filename_copy))};
-        directory.push_back(file);
-    }
-}
-
-static std::vector<VirtualFile> GenerateZoneinfoFiles() {
-    std::vector<VirtualFile> zoneinfo_files;
-    GenerateFiles(zoneinfo_files, NxTzdb::zoneinfo);
-    return zoneinfo_files;
-}
-
 VirtualDir TimeZoneBinary() {
     std::vector<VirtualDir> america_sub_dirs;
-    for (const auto& [dir_name, files] : tzdb_america_dirs) {
-        std::vector<VirtualFile> vfs_files;
-        GenerateFiles(vfs_files, files);
-        america_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(
-            std::move(vfs_files), std::vector<VirtualDir>{}, dir_name));
-    }
-
+    america_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_america_argentina(), std::vector<VirtualDir>{}, "Argentina"));
+    america_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_america_indiana(), std::vector<VirtualDir>{}, "Indiana"));
+    america_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_america_kentucky(), std::vector<VirtualDir>{}, "Kentucky"));
+    america_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_america_north_dakota(), std::vector<VirtualDir>{}, "North_Dakota"));
     std::vector<VirtualDir> zoneinfo_sub_dirs;
-    for (const auto& [dir_name, files] : tzdb_zoneinfo_dirs) {
-        std::vector<VirtualFile> vfs_files;
-        GenerateFiles(vfs_files, files);
-        if (dir_name == "America") {
-            zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(
-                std::move(vfs_files), std::move(america_sub_dirs), dir_name));
-        } else {
-            zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(
-                std::move(vfs_files), std::vector<VirtualDir>{}, dir_name));
-        }
-    }
-
-    std::vector<VirtualDir> zoneinfo_dir{std::make_shared<VectorVfsDirectory>(
-        GenerateZoneinfoFiles(), std::move(zoneinfo_sub_dirs), "zoneinfo")};
-    std::vector<VirtualFile> root_files;
-    GenerateFiles(root_files, NxTzdb::base);
-
-    return std::make_shared<VectorVfsDirectory>(std::move(root_files), std::move(zoneinfo_dir),
-                                                "data");
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_africa(), std::vector<VirtualDir>{}, "Africa"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_america(), std::move(america_sub_dirs), "America"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_antarctica(), std::vector<VirtualDir>{}, "Antarctica"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_arctic(), std::vector<VirtualDir>{}, "Arctic"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_asia(), std::vector<VirtualDir>{}, "Asia"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_atlantic(), std::vector<VirtualDir>{}, "Atlantic"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_australia(), std::vector<VirtualDir>{}, "Australia"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_brazil(), std::vector<VirtualDir>{}, "Brazil"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_canada(), std::vector<VirtualDir>{}, "Canada"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_chile(), std::vector<VirtualDir>{}, "Chile"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_etc(), std::vector<VirtualDir>{}, "Etc"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_europe(), std::vector<VirtualDir>{}, "Europe"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_indian(), std::vector<VirtualDir>{}, "Indian"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_mexico(), std::vector<VirtualDir>{}, "Mexico"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_pacific(), std::vector<VirtualDir>{}, "Pacific"));
+    zoneinfo_sub_dirs.push_back(std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_us(), std::vector<VirtualDir>{}, "US"));
+    std::vector<VirtualDir> zoneinfo_dir{std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_zoneinfo(), std::move(zoneinfo_sub_dirs), "zoneinfo")};
+    // last files (root)
+    return std::make_shared<VectorVfsDirectory>(NxTzdb::CollectFiles_base(), std::move(zoneinfo_dir), "data");
 }
 
 } // namespace FileSys::SystemArchive

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

@@ -26,8 +26,11 @@ namespace Service::android {
 BufferQueueProducer::BufferQueueProducer(Service::KernelHelpers::ServiceContext& service_context_,
                                          std::shared_ptr<BufferQueueCore> buffer_queue_core_,
                                          Service::Nvidia::NvCore::NvMap& nvmap_)
-    : service_context{service_context_}, core{std::move(buffer_queue_core_)}, slots(core->slots),
-      clock{Common::CreateOptimalClock()}, nvmap(nvmap_) {
+    : service_context{service_context_}, core{std::move(buffer_queue_core_)}
+    , slots(core->slots)
+    , clock{Common::CreateOptimalClock()}
+    , nvmap(nvmap_)
+{
     buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent");
 }
 
@@ -485,7 +488,7 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
         slots[slot].buffer_state = BufferState::Queued;
         slots[slot].frame_number = core->frame_counter;
         slots[slot].queue_time = timestamp;
-        slots[slot].presentation_time = clock->GetTimeNS().count();
+        slots[slot].presentation_time = clock.GetTimeNS().count();
         slots[slot].fence = fence;
 
         item.slot = slot;

src/core/hle/service/nvnflinger/buffer_queue_producer.h

@@ -89,8 +89,7 @@ private:
     s32 next_callback_ticket{};
     s32 current_callback_ticket{};
     std::condition_variable_any callback_condition;
-    std::unique_ptr<Common::WallClock> clock;
-
+    Common::WallClock clock;
     Service::Nvidia::NvCore::NvMap& nvmap;
 };
 

src/dynarmic/src/dynarmic/CMakeLists.txt

@@ -169,8 +169,6 @@ if ("x86_64" IN_LIST ARCHITECTURE)
         backend/x64/emit_x64_vector.cpp
         backend/x64/emit_x64_vector_floating_point.cpp
         backend/x64/emit_x64_vector_saturation.cpp
-        backend/x64/exclusive_monitor.cpp
-        backend/x64/exclusive_monitor_friend.h
         backend/x64/host_feature.h
         backend/x64/hostloc.h
         backend/x64/jitstate_info.h
@@ -231,7 +229,6 @@ if ("arm64" IN_LIST ARCHITECTURE)
         backend/arm64/emit_arm64_vector_floating_point.cpp
         backend/arm64/emit_arm64_vector_saturation.cpp
         backend/arm64/emit_context.h
-        backend/arm64/exclusive_monitor.cpp
         backend/arm64/fastmem.h
         backend/arm64/fpsr_manager.cpp
         backend/arm64/fpsr_manager.h
@@ -278,7 +275,6 @@ if ("riscv64" IN_LIST ARCHITECTURE)
         backend/riscv64/emit_riscv64_vector.cpp
         backend/riscv64/emit_riscv64.cpp
         backend/riscv64/emit_riscv64.h
-        backend/riscv64/exclusive_monitor.cpp
         backend/riscv64/reg_alloc.cpp
         backend/riscv64/reg_alloc.h
         backend/riscv64/stack_layout.h

src/dynarmic/src/dynarmic/backend/arm64/a64_address_space.cpp

@@ -135,12 +135,9 @@ static void* EmitExclusiveWriteCallTrampoline(oaknut::CodeGenerator& code, const
     oaknut::Label l_addr, l_this;
 
     auto fn = [](const A64::UserConfig& conf, A64::VAddr vaddr, T value) -> u32 {
-        return conf.global_monitor->DoExclusiveOperation<T>(conf.processor_id, vaddr,
-                                                            [&](T expected) -> bool {
-                                                                return (conf.callbacks->*callback)(vaddr, value, expected);
-                                                            })
-                 ? 0
-                 : 1;
+        return conf.global_monitor->DoExclusiveOperation<T>(conf.processor_id, vaddr, [&](T expected) -> bool {
+            return (conf.callbacks->*callback)(vaddr, value, expected);
+        }) ? 0 : 1;
     };
 
     void* target = code.xptr<void*>();
@@ -300,12 +297,9 @@ static void* EmitExclusiveWrite128CallTrampoline(oaknut::CodeGenerator& code, co
     oaknut::Label l_addr, l_this;
 
     auto fn = [](const A64::UserConfig& conf, A64::VAddr vaddr, Vector value) -> u32 {
-        return conf.global_monitor->DoExclusiveOperation<Vector>(conf.processor_id, vaddr,
-                                                                 [&](Vector expected) -> bool {
-                                                                     return conf.callbacks->MemoryWriteExclusive128(vaddr, value, expected);
-                                                                 })
-                 ? 0
-                 : 1;
+        return conf.global_monitor->DoExclusiveOperation<Vector>(conf.processor_id, vaddr, [&](Vector expected) -> bool {
+            return conf.callbacks->MemoryWriteExclusive128(vaddr, value, expected);
+        }) ? 0 : 1;
     };
 
     void* target = code.xptr<void*>();

src/dynarmic/src/dynarmic/backend/arm64/exclusive_monitor.cpp

@@ -1,61 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-/* This file is part of the dynarmic project.
- * Copyright (c) 2022 MerryMage
- * SPDX-License-Identifier: 0BSD
- */
-
-#include "dynarmic/interface/exclusive_monitor.h"
-
-#include <algorithm>
-
-#include "common/assert.h"
-
-namespace Dynarmic {
-
-ExclusiveMonitor::ExclusiveMonitor(std::size_t processor_count)
-        : exclusive_addresses(processor_count, INVALID_EXCLUSIVE_ADDRESS), exclusive_values(processor_count) {}
-
-size_t ExclusiveMonitor::GetProcessorCount() const {
-    return exclusive_addresses.size();
-}
-
-void ExclusiveMonitor::Lock() {
-    lock.Lock();
-}
-
-void ExclusiveMonitor::Unlock() {
-    lock.Unlock();
-}
-
-bool ExclusiveMonitor::CheckAndClear(std::size_t processor_id, VAddr address) {
-    const VAddr masked_address = address & RESERVATION_GRANULE_MASK;
-
-    Lock();
-    if (exclusive_addresses[processor_id] != masked_address) {
-        Unlock();
-        return false;
-    }
-
-    for (VAddr& other_address : exclusive_addresses) {
-        if (other_address == masked_address) {
-            other_address = INVALID_EXCLUSIVE_ADDRESS;
-        }
-    }
-    return true;
-}
-
-void ExclusiveMonitor::Clear() {
-    Lock();
-    std::fill(exclusive_addresses.begin(), exclusive_addresses.end(), INVALID_EXCLUSIVE_ADDRESS);
-    Unlock();
-}
-
-void ExclusiveMonitor::ClearProcessor(std::size_t processor_id) {
-    Lock();
-    exclusive_addresses[processor_id] = INVALID_EXCLUSIVE_ADDRESS;
-    Unlock();
-}
-
-}  // namespace Dynarmic

src/dynarmic/src/dynarmic/backend/riscv64/exclusive_monitor.cpp

@@ -1,54 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "dynarmic/interface/exclusive_monitor.h"
-
-#include <algorithm>
-
-namespace Dynarmic {
-
-ExclusiveMonitor::ExclusiveMonitor(std::size_t processor_count)
-        : exclusive_addresses(processor_count, INVALID_EXCLUSIVE_ADDRESS), exclusive_values(processor_count) {}
-
-size_t ExclusiveMonitor::GetProcessorCount() const {
-    return exclusive_addresses.size();
-}
-
-void ExclusiveMonitor::Lock() {
-    lock.Lock();
-}
-
-void ExclusiveMonitor::Unlock() {
-    lock.Unlock();
-}
-
-bool ExclusiveMonitor::CheckAndClear(size_t processor_id, VAddr address) {
-    const VAddr masked_address = address & RESERVATION_GRANULE_MASK;
-
-    Lock();
-    if (exclusive_addresses[processor_id] != masked_address) {
-        Unlock();
-        return false;
-    }
-
-    for (VAddr& other_address : exclusive_addresses) {
-        if (other_address == masked_address) {
-            other_address = INVALID_EXCLUSIVE_ADDRESS;
-        }
-    }
-    return true;
-}
-
-void ExclusiveMonitor::Clear() {
-    Lock();
-    std::fill(exclusive_addresses.begin(), exclusive_addresses.end(), INVALID_EXCLUSIVE_ADDRESS);
-    Unlock();
-}
-
-void ExclusiveMonitor::ClearProcessor(size_t processor_id) {
-    Lock();
-    exclusive_addresses[processor_id] = INVALID_EXCLUSIVE_ADDRESS;
-    Unlock();
-}
-
-}  // namespace Dynarmic

src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64_memory.cpp

@@ -20,7 +20,7 @@
 #include "dynarmic/backend/x64/abi.h"
 #include "dynarmic/backend/x64/devirtualize.h"
 #include "dynarmic/backend/x64/emit_x64_memory.h"
-#include "dynarmic/backend/x64/exclusive_monitor_friend.h"
+#include "dynarmic/interface/exclusive_monitor.h"
 #include "dynarmic/backend/x64/perf_map.h"
 #include "dynarmic/interface/exclusive_monitor.h"
 
@@ -174,67 +174,35 @@ void A32EmitX64::EmitA32ClearExclusive(A32EmitContext&, IR::Inst*) {
 }
 
 void A32EmitX64::EmitA32ExclusiveReadMemory8(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<8, &A32::UserCallbacks::MemoryRead8>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<8, &A32::UserCallbacks::MemoryRead8>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<8, &A32::UserCallbacks::MemoryRead8>(ctx, inst);
 }
 
 void A32EmitX64::EmitA32ExclusiveReadMemory16(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<16, &A32::UserCallbacks::MemoryRead16>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<16, &A32::UserCallbacks::MemoryRead16>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<16, &A32::UserCallbacks::MemoryRead16>(ctx, inst);
 }
 
 void A32EmitX64::EmitA32ExclusiveReadMemory32(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<32, &A32::UserCallbacks::MemoryRead32>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<32, &A32::UserCallbacks::MemoryRead32>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<32, &A32::UserCallbacks::MemoryRead32>(ctx, inst);
 }
 
 void A32EmitX64::EmitA32ExclusiveReadMemory64(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<64, &A32::UserCallbacks::MemoryRead64>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<64, &A32::UserCallbacks::MemoryRead64>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<64, &A32::UserCallbacks::MemoryRead64>(ctx, inst);
 }
 
 void A32EmitX64::EmitA32ExclusiveWriteMemory8(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<8, &A32::UserCallbacks::MemoryWriteExclusive8>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<8, &A32::UserCallbacks::MemoryWriteExclusive8>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<8, &A32::UserCallbacks::MemoryWriteExclusive8>(ctx, inst);
 }
 
 void A32EmitX64::EmitA32ExclusiveWriteMemory16(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<16, &A32::UserCallbacks::MemoryWriteExclusive16>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<16, &A32::UserCallbacks::MemoryWriteExclusive16>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<16, &A32::UserCallbacks::MemoryWriteExclusive16>(ctx, inst);
 }
 
 void A32EmitX64::EmitA32ExclusiveWriteMemory32(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<32, &A32::UserCallbacks::MemoryWriteExclusive32>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<32, &A32::UserCallbacks::MemoryWriteExclusive32>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<32, &A32::UserCallbacks::MemoryWriteExclusive32>(ctx, inst);
 }
 
 void A32EmitX64::EmitA32ExclusiveWriteMemory64(A32EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<64, &A32::UserCallbacks::MemoryWriteExclusive64>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<64, &A32::UserCallbacks::MemoryWriteExclusive64>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<64, &A32::UserCallbacks::MemoryWriteExclusive64>(ctx, inst);
 }
 
 void A32EmitX64::EmitCheckMemoryAbort(A32EmitContext& ctx, IR::Inst* inst, Xbyak::Label* end) {

src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.cpp

@@ -224,7 +224,7 @@ void A64EmitX64::GenTerminalHandlers() {
         terminal_handler_fast_dispatch_hint = code.getCurr<const void*>();
         calculate_location_descriptor();
         code.L(rsb_cache_miss);
-        code.mov(r8, reinterpret_cast<u64>(fast_dispatch_table.data()));
+        code.mov(r8, u64(fast_dispatch_table.data()));
         //code.mov(r12, qword[code.ABI_JIT_PTR + offsetof(A64JitState, pc)]);
         code.mov(r12, rbx);
         if (code.HasHostFeature(HostFeature::SSE42)) {
@@ -244,7 +244,7 @@ void A64EmitX64::GenTerminalHandlers() {
 
         code.align();
         fast_dispatch_table_lookup = code.getCurr<FastDispatchEntry& (*)(u64)>();
-        code.mov(code.ABI_PARAM2, reinterpret_cast<u64>(fast_dispatch_table.data()));
+        code.mov(code.ABI_PARAM2, u64(fast_dispatch_table.data()));
         if (code.HasHostFeature(HostFeature::SSE42)) {
             code.crc32(code.ABI_PARAM1, code.ABI_PARAM2);
         }

src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64_memory.cpp

@@ -20,7 +20,7 @@
 #include "dynarmic/backend/x64/abi.h"
 #include "dynarmic/backend/x64/devirtualize.h"
 #include "dynarmic/backend/x64/emit_x64_memory.h"
-#include "dynarmic/backend/x64/exclusive_monitor_friend.h"
+#include "dynarmic/interface/exclusive_monitor.h"
 #include "dynarmic/backend/x64/perf_map.h"
 #include "dynarmic/common/spin_lock_x64.h"
 #include "dynarmic/interface/exclusive_monitor.h"
@@ -330,83 +330,43 @@ void A64EmitX64::EmitA64ClearExclusive(A64EmitContext&, IR::Inst*) {
 }
 
 void A64EmitX64::EmitA64ExclusiveReadMemory8(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<8, &A64::UserCallbacks::MemoryRead8>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<8, &A64::UserCallbacks::MemoryRead8>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<8, &A64::UserCallbacks::MemoryRead8>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveReadMemory16(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<16, &A64::UserCallbacks::MemoryRead16>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<16, &A64::UserCallbacks::MemoryRead16>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<16, &A64::UserCallbacks::MemoryRead16>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveReadMemory32(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<32, &A64::UserCallbacks::MemoryRead32>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<32, &A64::UserCallbacks::MemoryRead32>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<32, &A64::UserCallbacks::MemoryRead32>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveReadMemory64(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<64, &A64::UserCallbacks::MemoryRead64>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<64, &A64::UserCallbacks::MemoryRead64>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<64, &A64::UserCallbacks::MemoryRead64>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveReadMemoryInline<128, &A64::UserCallbacks::MemoryRead128>(ctx, inst);
-    } else {
-        EmitExclusiveReadMemory<128, &A64::UserCallbacks::MemoryRead128>(ctx, inst);
-    }
+    EmitExclusiveReadMemoryInline<128, &A64::UserCallbacks::MemoryRead128>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveWriteMemory8(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<8, &A64::UserCallbacks::MemoryWriteExclusive8>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<8, &A64::UserCallbacks::MemoryWriteExclusive8>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<8, &A64::UserCallbacks::MemoryWriteExclusive8>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveWriteMemory16(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<16, &A64::UserCallbacks::MemoryWriteExclusive16>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<16, &A64::UserCallbacks::MemoryWriteExclusive16>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<16, &A64::UserCallbacks::MemoryWriteExclusive16>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveWriteMemory32(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<32, &A64::UserCallbacks::MemoryWriteExclusive32>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<32, &A64::UserCallbacks::MemoryWriteExclusive32>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<32, &A64::UserCallbacks::MemoryWriteExclusive32>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveWriteMemory64(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<64, &A64::UserCallbacks::MemoryWriteExclusive64>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<64, &A64::UserCallbacks::MemoryWriteExclusive64>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<64, &A64::UserCallbacks::MemoryWriteExclusive64>(ctx, inst);
 }
 
 void A64EmitX64::EmitA64ExclusiveWriteMemory128(A64EmitContext& ctx, IR::Inst* inst) {
-    if (conf.fastmem_exclusive_access) {
-        EmitExclusiveWriteMemoryInline<128, &A64::UserCallbacks::MemoryWriteExclusive128>(ctx, inst);
-    } else {
-        EmitExclusiveWriteMemory<128, &A64::UserCallbacks::MemoryWriteExclusive128>(ctx, inst);
-    }
+    EmitExclusiveWriteMemoryInline<128, &A64::UserCallbacks::MemoryWriteExclusive128>(ctx, inst);
 }
 
 void A64EmitX64::EmitCheckMemoryAbort(A64EmitContext&, IR::Inst* inst, Xbyak::Label* end) {

src/dynarmic/src/dynarmic/backend/x64/abi.cpp

@@ -26,7 +26,7 @@ struct FrameInfo {
 };
 static_assert(ABI_SHADOW_SPACE <= 32);
 
-static FrameInfo CalculateFrameInfo(const size_t num_gprs, const size_t num_xmms, size_t frame_size) {
+static FrameInfo CalculateFrameInfo(const size_t num_gprs, const size_t num_xmms, size_t frame_size) noexcept {
     // We are initially 8 byte aligned because the return value is pushed onto an aligned stack after a call.
     const size_t rsp_alignment = (num_gprs % 2 == 0) ? 8 : 0;
     const size_t total_xmm_size = num_xmms * XMM_SIZE;
@@ -40,7 +40,7 @@ static FrameInfo CalculateFrameInfo(const size_t num_gprs, const size_t num_xmms
     };
 }
 
-void ABI_PushRegistersAndAdjustStack(BlockOfCode& code, const size_t frame_size, std::bitset<32> const& regs) {
+static void ABI_PushRegistersAndAdjustStack(BlockOfCode& code, const size_t frame_size, std::bitset<32> regs) noexcept {
     using namespace Xbyak::util;
 
     const size_t num_gprs = (ABI_ALL_GPRS & regs).count();
@@ -65,7 +65,7 @@ void ABI_PushRegistersAndAdjustStack(BlockOfCode& code, const size_t frame_size,
     }
 }
 
-void ABI_PopRegistersAndAdjustStack(BlockOfCode& code, const size_t frame_size, std::bitset<32> const& regs) {
+static void ABI_PopRegistersAndAdjustStack(BlockOfCode& code, const size_t frame_size, std::bitset<32> regs) noexcept {
     using namespace Xbyak::util;
 
     const size_t num_gprs = (ABI_ALL_GPRS & regs).count();
@@ -107,13 +107,13 @@ void ABI_PopCallerSaveRegistersAndAdjustStack(BlockOfCode& code, const std::size
 
 // Windows ABI registers are not in the same allocation algorithm as unix's
 void ABI_PushCallerSaveRegistersAndAdjustStackExcept(BlockOfCode& code, const HostLoc exception) {
-    std::bitset<32> regs = ABI_ALL_CALLER_SAVE;
+    auto regs = ABI_ALL_CALLER_SAVE;
     regs.reset(size_t(exception));
     ABI_PushRegistersAndAdjustStack(code, 0, regs);
 }
 
 void ABI_PopCallerSaveRegistersAndAdjustStackExcept(BlockOfCode& code, const HostLoc exception) {
-    std::bitset<32> regs = ABI_ALL_CALLER_SAVE;
+    auto regs = ABI_ALL_CALLER_SAVE;
     regs.reset(size_t(exception));
     ABI_PopRegistersAndAdjustStack(code, 0, regs);
 }

src/dynarmic/src/dynarmic/backend/x64/constant_pool.cpp

@@ -6,23 +6,23 @@
  * SPDX-License-Identifier: 0BSD
  */
 
-#include "dynarmic/backend/x64/constant_pool.h"
-
 #include <cstring>
 
 #include "common/assert.h"
 
 #include "dynarmic/backend/x64/block_of_code.h"
+#include "dynarmic/backend/x64/constant_pool.h"
 
 namespace Dynarmic::Backend::X64 {
 
 ConstantPool::ConstantPool(BlockOfCode& code, size_t size)
-        : code(code), insertion_point(0) {
+    : code(code)
+    , insertion_point(0)
+{
     code.EnsureMemoryCommitted(align_size + size);
     code.int3();
     code.align(align_size);
-    pool = std::span<ConstantT>(
-        reinterpret_cast<ConstantT*>(code.AllocateFromCodeSpace(size)), size / align_size);
+    pool = std::span<ConstantT>(reinterpret_cast<ConstantT*>(code.AllocateFromCodeSpace(size)), size / align_size);
 }
 
 Xbyak::Address ConstantPool::GetConstant(const Xbyak::AddressFrame& frame, u64 lower, u64 upper) {

src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.cpp.inc

@@ -230,12 +230,11 @@ void AxxEmitX64::EmitExclusiveReadMemory(AxxEmitContext& ctx, IR::Inst* inst) {
         if (ordered) {
             code.mfence();
         }
-        code.CallLambda(
-            [](AxxUserConfig& conf, Axx::VAddr vaddr) -> T {
-                return conf.global_monitor->ReadAndMark<T>(conf.processor_id, vaddr, [&]() -> T {
-                    return (conf.callbacks->*callback)(vaddr);
-                });
+        code.CallLambda([](AxxUserConfig& conf, Axx::VAddr vaddr) -> T {
+            return conf.global_monitor->ReadAndMark<T>(conf.processor_id, vaddr, [&]() -> T {
+                return (conf.callbacks->*callback)(vaddr);
             });
+        });
         code.ZeroExtendFrom(bitsize, code.ABI_RETURN);
     } else {
         const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm(code);
@@ -250,12 +249,11 @@ void AxxEmitX64::EmitExclusiveReadMemory(AxxEmitContext& ctx, IR::Inst* inst) {
         if (ordered) {
             code.mfence();
         }
-        code.CallLambda(
-            [](AxxUserConfig& conf, Axx::VAddr vaddr, Vector& ret) {
-                ret = conf.global_monitor->ReadAndMark<Vector>(conf.processor_id, vaddr, [&]() -> Vector {
-                    return (conf.callbacks->*callback)(vaddr);
-                });
+        code.CallLambda([](AxxUserConfig& conf, Axx::VAddr vaddr, Vector& ret) {
+            ret = conf.global_monitor->ReadAndMark<Vector>(conf.processor_id, vaddr, [&]() -> Vector {
+                return (conf.callbacks->*callback)(vaddr);
             });
+        });
         code.movups(result, xword[rsp + ABI_SHADOW_SPACE]);
         ctx.reg_alloc.ReleaseStackSpace(code, 16 + ABI_SHADOW_SPACE);
 
@@ -320,11 +318,12 @@ void AxxEmitX64::EmitExclusiveWriteMemory(AxxEmitContext& ctx, IR::Inst* inst) {
 
 template<std::size_t bitsize, auto callback>
 void AxxEmitX64::EmitExclusiveReadMemoryInline(AxxEmitContext& ctx, IR::Inst* inst) {
-    ASSERT(conf.global_monitor && conf.fastmem_pointer);
-    if (!exception_handler.SupportsFastmem()) {
+    ASSERT(conf.global_monitor);
+    if (!conf.fastmem_exclusive_access || !exception_handler.SupportsFastmem()) {
         EmitExclusiveReadMemory<bitsize, callback>(ctx, inst);
         return;
     }
+    ASSERT(conf.fastmem_pointer);
 
     auto args = ctx.reg_alloc.GetArgumentInfo(inst);
     constexpr bool ordered = true;
@@ -344,10 +343,10 @@ void AxxEmitX64::EmitExclusiveReadMemoryInline(AxxEmitContext& ctx, IR::Inst* in
 
     const auto wrapped_fn = read_fallbacks[std::make_tuple(ordered, bitsize, vaddr.getIdx(), value_idx)];
 
-    EmitExclusiveLock(code, conf, tmp, tmp2.cvt32());
+    EmitExclusiveLock(code, conf, tmp2.cvt32());
 
     code.mov(code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)], u8(1));
-    code.mov(tmp, std::bit_cast<u64>(GetExclusiveMonitorAddressPointer(conf.global_monitor, conf.processor_id)));
+    code.mov(tmp, std::bit_cast<u64>(conf.global_monitor->exclusive_addresses.data() + conf.processor_id));
     code.mov(qword[tmp], vaddr);
 
     const auto fastmem_marker = ShouldFastmem(ctx, inst);
@@ -381,10 +380,10 @@ void AxxEmitX64::EmitExclusiveReadMemoryInline(AxxEmitContext& ctx, IR::Inst* in
         code.call(wrapped_fn);
     }
 
-    code.mov(tmp, std::bit_cast<u64>(GetExclusiveMonitorValuePointer(conf.global_monitor, conf.processor_id)));
+    code.mov(tmp, std::bit_cast<u64>(conf.global_monitor->exclusive_values.data() + conf.processor_id));
     EmitWriteMemoryMov<bitsize>(code, tmp, value_idx, false);
 
-    EmitExclusiveUnlock(code, conf, tmp, tmp2.cvt32());
+    EmitExclusiveUnlock(code, conf, tmp2.cvt32());
 
     if constexpr (bitsize == 128) {
         ctx.reg_alloc.DefineValue(code, inst, Xbyak::Xmm{value_idx});
@@ -397,11 +396,12 @@ void AxxEmitX64::EmitExclusiveReadMemoryInline(AxxEmitContext& ctx, IR::Inst* in
 
 template<std::size_t bitsize, auto callback>
 void AxxEmitX64::EmitExclusiveWriteMemoryInline(AxxEmitContext& ctx, IR::Inst* inst) {
-    ASSERT(conf.global_monitor && conf.fastmem_pointer);
-    if (!exception_handler.SupportsFastmem()) {
+    ASSERT(conf.global_monitor);
+    if (!conf.fastmem_exclusive_access || !exception_handler.SupportsFastmem()) {
         EmitExclusiveWriteMemory<bitsize, callback>(ctx, inst);
         return;
     }
+    ASSERT(conf.fastmem_pointer);
 
     auto args = ctx.reg_alloc.GetArgumentInfo(inst);
     constexpr bool ordered = true;
@@ -425,7 +425,7 @@ void AxxEmitX64::EmitExclusiveWriteMemoryInline(AxxEmitContext& ctx, IR::Inst* i
 
     const auto wrapped_fn = exclusive_write_fallbacks[std::make_tuple(ordered, bitsize, vaddr.getIdx(), value.getIdx())];
 
-    EmitExclusiveLock(code, conf, tmp, tmp2.cvt32());
+    EmitExclusiveLock(code, conf, tmp2.cvt32());
 
     SharedLabel end = ctx.GenSharedLabel();
 
@@ -433,14 +433,14 @@ void AxxEmitX64::EmitExclusiveWriteMemoryInline(AxxEmitContext& ctx, IR::Inst* i
     code.movzx(tmp.cvt32(), code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)]);
     code.test(tmp.cvt8(), tmp.cvt8());
     code.je(*end, code.T_NEAR);
-    code.mov(tmp, std::bit_cast<u64>(GetExclusiveMonitorAddressPointer(conf.global_monitor, conf.processor_id)));
+    code.mov(tmp, std::bit_cast<u64>(conf.global_monitor->exclusive_addresses.data() + conf.processor_id));
     code.cmp(qword[tmp], vaddr);
     code.jne(*end, code.T_NEAR);
 
     EmitExclusiveTestAndClear(code, conf, vaddr, tmp, rax);
 
     code.mov(code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)], u8(0));
-    code.mov(tmp, std::bit_cast<u64>(GetExclusiveMonitorValuePointer(conf.global_monitor, conf.processor_id)));
+    code.mov(tmp, std::bit_cast<u64>(conf.global_monitor->exclusive_values.data() + conf.processor_id));
 
     if constexpr (bitsize == 128) {
         code.mov(rax, qword[tmp + 0]);
@@ -519,7 +519,7 @@ void AxxEmitX64::EmitExclusiveWriteMemoryInline(AxxEmitContext& ctx, IR::Inst* i
     }
 
     code.L(*end);
-    EmitExclusiveUnlock(code, conf, tmp, eax);
+    EmitExclusiveUnlock(code, conf, eax);
     ctx.reg_alloc.DefineValue(code, inst, status);
     EmitCheckMemoryAbort(ctx, inst);
 }

src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h

@@ -13,7 +13,7 @@
 
 #include "dynarmic/backend/x64/a32_emit_x64.h"
 #include "dynarmic/backend/x64/a64_emit_x64.h"
-#include "dynarmic/backend/x64/exclusive_monitor_friend.h"
+#include "dynarmic/interface/exclusive_monitor.h"
 #include "dynarmic/common/spin_lock_x64.h"
 #include "dynarmic/interface/exclusive_monitor.h"
 #include "dynarmic/ir/acc_type.h"
@@ -344,43 +344,36 @@ const void* EmitWriteMemoryMov(BlockOfCode& code, const Xbyak::RegExp& addr, int
 }
 
 template<typename UserConfig>
-void EmitExclusiveLock(BlockOfCode& code, const UserConfig& conf, Xbyak::Reg64 pointer, Xbyak::Reg32 tmp) {
-    if (conf.HasOptimization(OptimizationFlag::Unsafe_IgnoreGlobalMonitor)) {
-        return;
+void EmitExclusiveLock(BlockOfCode& code, const UserConfig& conf, Xbyak::Reg32 tmp) {
+    if (!conf.HasOptimization(OptimizationFlag::Unsafe_IgnoreGlobalMonitor)) {
+        u64 const slp = std::bit_cast<u64>(std::addressof(conf.global_monitor->lock.storage));
+        EmitSpinLockLock(code, dword[slp], tmp, code.HasHostFeature(HostFeature::WAITPKG));
     }
-
-    code.mov(pointer, std::bit_cast<u64>(GetExclusiveMonitorLockPointer(conf.global_monitor)));
-    EmitSpinLockLock(code, pointer, tmp, code.HasHostFeature(HostFeature::WAITPKG));
 }
 
 template<typename UserConfig>
-void EmitExclusiveUnlock(BlockOfCode& code, const UserConfig& conf, Xbyak::Reg64 pointer, Xbyak::Reg32 tmp) {
-    if (conf.HasOptimization(OptimizationFlag::Unsafe_IgnoreGlobalMonitor)) {
-        return;
+void EmitExclusiveUnlock(BlockOfCode& code, const UserConfig& conf, Xbyak::Reg32 tmp) {
+    if (!conf.HasOptimization(OptimizationFlag::Unsafe_IgnoreGlobalMonitor)) {
+        u64 const slp = std::bit_cast<u64>(std::addressof(conf.global_monitor->lock.storage));
+        EmitSpinLockUnlock(code, dword[slp], tmp);
     }
-
-    code.mov(pointer, std::bit_cast<u64>(GetExclusiveMonitorLockPointer(conf.global_monitor)));
-    EmitSpinLockUnlock(code, pointer, tmp);
 }
 
 template<typename UserConfig>
 void EmitExclusiveTestAndClear(BlockOfCode& code, const UserConfig& conf, Xbyak::Reg64 vaddr, Xbyak::Reg64 pointer, Xbyak::Reg64 tmp) {
-    if (conf.HasOptimization(OptimizationFlag::Unsafe_IgnoreGlobalMonitor)) {
-        return;
-    }
-
-    code.mov(tmp, 0xDEAD'DEAD'DEAD'DEAD);
-    const size_t processor_count = GetExclusiveMonitorProcessorCount(conf.global_monitor);
-    for (size_t processor_index = 0; processor_index < processor_count; processor_index++) {
-        if (processor_index == conf.processor_id) {
-            continue;
+    if (!conf.HasOptimization(OptimizationFlag::Unsafe_IgnoreGlobalMonitor)) {
+        code.mov(tmp, 0xDEAD'DEAD'DEAD'DEAD);
+        static_assert(ExclusiveMonitor::MAX_NUM_CPU_CORES == 4);
+        for (size_t i = 0; i < ExclusiveMonitor::MAX_NUM_CPU_CORES; i++) {
+            if (i != conf.processor_id) {
+                Xbyak::Label ok;
+                code.mov(pointer, std::bit_cast<u64>(conf.global_monitor->exclusive_addresses.data() + i));
+                code.cmp(qword[pointer], vaddr);
+                code.jne(ok, code.T_NEAR);
+                code.mov(qword[pointer], tmp);
+                code.L(ok);
+            }
         }
-        Xbyak::Label ok;
-        code.mov(pointer, std::bit_cast<u64>(GetExclusiveMonitorAddressPointer(conf.global_monitor, processor_index)));
-        code.cmp(qword[pointer], vaddr);
-        code.jne(ok, code.T_NEAR);
-        code.mov(qword[pointer], tmp);
-        code.L(ok);
     }
 }
 

src/dynarmic/src/dynarmic/backend/x64/hostloc.h

@@ -8,8 +8,6 @@
 #pragma once
 
 #include <bitset>
-#include <xbyak/xbyak.h>
-
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "dynarmic/backend/x64/xbyak.h"

src/dynarmic/src/dynarmic/backend/x64/xbyak.h

@@ -3,13 +3,11 @@
 
 #pragma once
 
-#include <unordered_map>
-#include <unordered_set>
-
-// TODO: Defining this crashes e v e r y t h i n g
-// #define XBYAK_STD_UNORDERED_SET ankerl::unordered_dense::set
-// #define XBYAK_STD_UNORDERED_MAP ankerl::unordered_dense::map
-// #define XBYAK_STD_UNORDERED_MULTIMAP boost::unordered_multimap
-
+// You must ensure this matches with src/common/x64/xbyak.h on root dir
+#include <ankerl/unordered_dense.h>
+#include <boost/unordered_map.hpp>
+#define XBYAK_STD_UNORDERED_SET ankerl::unordered_dense::set
+#define XBYAK_STD_UNORDERED_MAP ankerl::unordered_dense::map
+#define XBYAK_STD_UNORDERED_MULTIMAP boost::unordered_multimap
 #include <xbyak/xbyak.h>
 #include <xbyak/xbyak_util.h>

src/dynarmic/src/dynarmic/common/fp/op/FPToFixed.cpp

@@ -78,7 +78,7 @@ u64 FPToFixed(size_t ibits, FPT op, size_t fbits, bool unsigned_, FPCR fpcr, Rou
     }
 
     // Detect Overflow
-    const int min_exponent_for_overflow = static_cast<int>(ibits) - static_cast<int>(mcl::bit::highest_set_bit(value.mantissa + (round_up ? Safe::LogicalShiftRight<u64>(1, exponent) : 0))) - (unsigned_ ? 0 : 1);
+    const int min_exponent_for_overflow = int(ibits) - int(mcl::bit::highest_set_bit(value.mantissa + (round_up ? Safe::LogicalShiftRight<u64>(1, exponent) : 0))) - (unsigned_ ? 0 : 1);
     if (exponent >= min_exponent_for_overflow) {
         // Positive overflow
         if (unsigned_ || !sign) {
@@ -87,10 +87,10 @@ u64 FPToFixed(size_t ibits, FPT op, size_t fbits, bool unsigned_, FPCR fpcr, Rou
         }
 
         // Negative overflow
-        const u64 min_value = Safe::Negate<u64>(static_cast<u64>(1) << (ibits - 1));
+        const u64 min_value = Safe::Negate<u64>(u64(1) << (ibits - 1));
         if (!(exponent == min_exponent_for_overflow && int_result == min_value)) {
             FPProcessException(FPExc::InvalidOp, fpcr, fpsr);
-            return static_cast<u64>(1) << (ibits - 1);
+            return u64(1) << (ibits - 1);
         }
     }
 

src/dynarmic/src/dynarmic/common/spin_lock_x64.cpp

@@ -22,18 +22,23 @@ static const auto default_cg_mode = nullptr; //Allow RWE
 
 namespace Dynarmic {
 
-void EmitSpinLockLock(Xbyak::CodeGenerator& code, Xbyak::Reg64 ptr, Xbyak::Reg32 tmp, bool waitpkg) {
-    Xbyak::Label start, loop;
-    code.jmp(start, code.T_NEAR);
-    code.L(loop);
+/// @brief Emits a lock path for a given spinlock
+/// @arg ptr Operand must be a dword[ptr]
+/// @arg waitpkg Whetever or not the "UMWAIT" instruction can be used
+void EmitSpinLockLock(Xbyak::CodeGenerator& code, Xbyak::Address ptr, Xbyak::Reg32 tmp, bool waitpkg) {
+    // TODO: this is because we lack regalloc - so better to be safe :(
+    // TODO: really involve regalloc when we require a 64 bit disp temporal... aside from the one we got handed of course
     if (waitpkg) {
-        // TODO: this is because we lack regalloc - so better to be safe :(
-        code.push(Xbyak::util::rax);
-        code.push(Xbyak::util::rbx);
-        code.push(Xbyak::util::rdx);
+        Xbyak::Label start, loop;
+        code.jmp(start, code.T_NEAR);
+        code.L(loop);
+        code.push(Xbyak::util::eax);
+        code.push(Xbyak::util::ebx);
+        code.push(Xbyak::util::edx);
         // TODO: This clobbers EAX and EDX did we tell the regalloc?
         // ARM ptr for address-monitoring
-        code.umonitor(ptr);
+        code.mov(Xbyak::util::eax, ptr);
+        code.umonitor(Xbyak::util::eax);
         // tmp.bit[0] = 0: C0.1 | Slow Wakup | Better Savings
         // tmp.bit[0] = 1: C0.2 | Fast Wakup | Lesser Savings
         // edx:eax is implicitly used as a 64-bit deadline timestamp
@@ -47,22 +52,64 @@ void EmitSpinLockLock(Xbyak::CodeGenerator& code, Xbyak::Reg64 ptr, Xbyak::Reg32
         code.umwait(Xbyak::util::ebx);
         // CF == 1 if we hit the OS-timeout in IA32_UMWAIT_CONTROL without a write
         // CF == 0 if we exited the wait for any other reason
-        code.pop(Xbyak::util::rdx);
-        code.pop(Xbyak::util::rbx);
-        code.pop(Xbyak::util::rax);
+        code.pop(Xbyak::util::edx);
+        code.pop(Xbyak::util::ebx);
+        code.pop(Xbyak::util::eax);
+        code.L(start);
+        code.mov(tmp, 1);
+        if (ptr.is64bitDisp()) {
+            // if tmp is on eax, use ebx, otherwise use eax!
+            auto const other_tmp = tmp.cvt32() == Xbyak::util::eax
+                ? Xbyak::util::rbx
+                : Xbyak::util::rax;
+            code.push(other_tmp);
+            code.mov(other_tmp, ptr.getDisp());
+            /*code.lock();*/ code.xchg(code.dword[other_tmp], tmp);
+            code.pop(other_tmp);
+        } else {
+            /*code.lock();*/ code.xchg(ptr, tmp);
+        }
+        code.test(tmp, tmp);
+        code.jnz(loop, code.T_NEAR);
     } else {
+        Xbyak::Label start, loop;
+        code.jmp(start, code.T_NEAR);
+        code.L(loop);
         code.pause();
+        code.L(start);
+        code.mov(tmp, 1);
+        if (ptr.is64bitDisp()) {
+            // if tmp is on eax, use ebx, otherwise use eax!
+            auto const other_tmp = tmp.cvt32() == Xbyak::util::eax
+                ? Xbyak::util::rbx
+                : Xbyak::util::rax;
+            code.push(other_tmp);
+            code.mov(other_tmp, ptr.getDisp());
+            /*code.lock();*/ code.xchg(code.dword[other_tmp], tmp);
+            code.pop(other_tmp);
+        } else {
+            /*code.lock();*/ code.xchg(ptr, tmp);
+        }
+        code.test(tmp, tmp);
+        code.jnz(loop, code.T_NEAR);
     }
-    code.L(start);
-    code.mov(tmp, 1);
-    /*code.lock();*/ code.xchg(code.dword[ptr], tmp);
-    code.test(tmp, tmp);
-    code.jnz(loop, code.T_NEAR);
 }
 
-void EmitSpinLockUnlock(Xbyak::CodeGenerator& code, Xbyak::Reg64 ptr, Xbyak::Reg32 tmp) {
+// ptr operand must be a dword[ptr]
+void EmitSpinLockUnlock(Xbyak::CodeGenerator& code, Xbyak::Address ptr, Xbyak::Reg32 tmp) {
     code.xor_(tmp, tmp);
-    code.xchg(code.dword[ptr], tmp);
+    if (ptr.is64bitDisp()) {
+        // if tmp is on eax, use ebx, otherwise use eax!
+        auto const other_tmp = tmp.cvt32() == Xbyak::util::eax
+            ? Xbyak::util::rbx
+            : Xbyak::util::rax;
+        code.push(other_tmp);
+        code.mov(other_tmp, ptr.getDisp());
+        /*code.lock();*/ code.xchg(code.dword[other_tmp], tmp);
+        code.pop(other_tmp);
+    } else {
+        /*code.lock();*/ code.xchg(ptr, tmp);
+    }
     code.mfence();
 }
 
@@ -85,11 +132,12 @@ void SpinLockImpl::Initialize() noexcept {
     Xbyak::Reg64 const ABI_PARAM1 = Backend::X64::HostLocToReg64(Backend::X64::ABI_PARAM1);
     code.align();
     lock = code.getCurr<void (*)(volatile int*)>();
-    EmitSpinLockLock(code, ABI_PARAM1, code.eax, false);
+    EmitSpinLockLock(code, code.dword[ABI_PARAM1], code.eax, false);
     code.ret();
+
     code.align();
     unlock = code.getCurr<void (*)(volatile int*)>();
-    EmitSpinLockUnlock(code, ABI_PARAM1, code.eax);
+    EmitSpinLockUnlock(code, code.dword[ABI_PARAM1], code.eax);
     code.ret();
 }
 

src/dynarmic/src/dynarmic/common/spin_lock_x64.h

@@ -12,7 +12,7 @@
 
 namespace Dynarmic {
 
-void EmitSpinLockLock(Xbyak::CodeGenerator& code, Xbyak::Reg64 ptr, Xbyak::Reg32 tmp, bool waitpkg);
-void EmitSpinLockUnlock(Xbyak::CodeGenerator& code, Xbyak::Reg64 ptr, Xbyak::Reg32 tmp);
+void EmitSpinLockLock(Xbyak::CodeGenerator& code, Xbyak::Address ptr, Xbyak::Reg32 tmp, bool waitpkg);
+void EmitSpinLockUnlock(Xbyak::CodeGenerator& code, Xbyak::Address ptr, Xbyak::Reg32 tmp);
 
 }  // namespace Dynarmic

src/dynarmic/src/dynarmic/interface/exclusive_monitor.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2018 MerryMage
  * SPDX-License-Identifier: 0BSD
@@ -20,68 +23,71 @@ using Vector = std::array<std::uint64_t, 2>;
 
 class ExclusiveMonitor {
 public:
-    /// @param processor_count Maximum number of processors using this global
-    ///                        exclusive monitor. Each processor must have a
-    ///                        unique id.
-    explicit ExclusiveMonitor(size_t processor_count);
-
-    size_t GetProcessorCount() const;
+    explicit ExclusiveMonitor() noexcept {
+        std::fill(exclusive_addresses.begin(), exclusive_addresses.end(), INVALID_EXCLUSIVE_ADDRESS);
+    }
 
     /// Marks a region containing [address, address+size) to be exclusive to
-    /// processor processor_id.
-    template<typename T, typename Function>
-    T ReadAndMark(size_t processor_id, VAddr address, Function op) {
+    /// processor index.
+    template<typename T, typename F>
+    [[nodiscard]] inline T ReadAndMark(std::size_t index, VAddr address, F f) {
         static_assert(std::is_trivially_copyable_v<T>);
         const VAddr masked_address = address & RESERVATION_GRANULE_MASK;
-
-        Lock();
-        exclusive_addresses[processor_id] = masked_address;
-        const T value = op();
-        std::memcpy(exclusive_values[processor_id].data(), &value, sizeof(T));
-        Unlock();
+        lock.Lock();
+        exclusive_addresses[index] = masked_address;
+        T const value = f();
+        std::memcpy(exclusive_values[index].data(), std::addressof(value), sizeof(T));
+        lock.Unlock();
         return value;
     }
 
-    /// Checks to see if processor processor_id has exclusive access to the
+    [[nodiscard]] inline bool CheckAndClear(std::size_t index, VAddr address) {
+        const VAddr masked_address = address & RESERVATION_GRANULE_MASK;
+        if (exclusive_addresses[index] != masked_address)
+            return false;
+        for (VAddr& other_address : exclusive_addresses)
+            if (other_address == masked_address)
+                other_address = INVALID_EXCLUSIVE_ADDRESS;
+        return true;
+    }
+
+    /// Checks to see if processor index has exclusive access to the
     /// specified region. If it does, executes the operation then clears
     /// the exclusive state for processors if their exclusive region(s)
     /// contain [address, address+size).
-    template<typename T, typename Function>
-    bool DoExclusiveOperation(size_t processor_id, VAddr address, Function op) {
+    template<typename T, typename F>
+    [[nodiscard]] inline bool DoExclusiveOperation(std::size_t index, VAddr address, F&& f) {
         static_assert(std::is_trivially_copyable_v<T>);
-        if (!CheckAndClear(processor_id, address)) {
-            return false;
+        bool result = false;
+        lock.Lock();
+        if (CheckAndClear(index, address)) {
+            T saved_value{};
+            std::memcpy(std::addressof(saved_value), exclusive_values[index].data(), sizeof(T));
+            result = f(saved_value);
         }
-
-        T saved_value;
-        std::memcpy(&saved_value, exclusive_values[processor_id].data(), sizeof(T));
-        const bool result = op(saved_value);
-
-        Unlock();
+        lock.Unlock();
         return result;
     }
 
     /// Unmark everything.
-    void Clear();
+    inline void Clear() {
+        lock.Lock();
+        std::fill(exclusive_addresses.begin(), exclusive_addresses.end(), INVALID_EXCLUSIVE_ADDRESS);
+        lock.Unlock();
+    }
+
     /// Unmark processor id
-    void ClearProcessor(size_t processor_id);
-
-private:
-    bool CheckAndClear(size_t processor_id, VAddr address);
-
-    void Lock();
-    void Unlock();
-
-    friend volatile int* GetExclusiveMonitorLockPointer(ExclusiveMonitor*);
-    friend size_t GetExclusiveMonitorProcessorCount(ExclusiveMonitor*);
-    friend VAddr* GetExclusiveMonitorAddressPointer(ExclusiveMonitor*, size_t index);
-    friend Vector* GetExclusiveMonitorValuePointer(ExclusiveMonitor*, size_t index);
+    inline void ClearProcessor(size_t index) {
+        lock.Lock();
+        exclusive_addresses[index] = INVALID_EXCLUSIVE_ADDRESS;
+        lock.Unlock();
+    }
 
     static constexpr VAddr RESERVATION_GRANULE_MASK = 0xFFFF'FFFF'FFFF'FFFFull;
     static constexpr VAddr INVALID_EXCLUSIVE_ADDRESS = 0xDEAD'DEAD'DEAD'DEADull;
     static constexpr size_t MAX_NUM_CPU_CORES = 4; // Sync with src/core/hardware_properties
-    boost::container::static_vector<VAddr, MAX_NUM_CPU_CORES> exclusive_addresses;
-    boost::container::static_vector<Vector, MAX_NUM_CPU_CORES> exclusive_values;
+    std::array<VAddr, MAX_NUM_CPU_CORES> exclusive_addresses;
+    std::array<Vector, MAX_NUM_CPU_CORES> exclusive_values;
     SpinLock lock;
 };
 

src/dynarmic/tests/x64_cpu_info.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2020 MerryMage
  * SPDX-License-Identifier: 0BSD
@@ -11,7 +14,7 @@
 #include <utility>
 
 #include <catch2/catch_test_macros.hpp>
-#include <xbyak/xbyak_util.h>
+#include "dynarmic/backend/x64/xbyak.h"
 
 TEST_CASE("Host CPU supports", "[a64]") {
     using Cpu = Xbyak::util::Cpu;

src/hid_core/frontend/emulated_controller.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -108,10 +108,10 @@ void EmulatedController::ReloadFromSettings() {
     // Other or debug controller should always be a pro controller
     if (npad_id_type != NpadIdType::Other) {
         SetNpadStyleIndex(MapSettingsTypeToNPad(player.controller_type));
-        original_npad_type = npad_type;
+        original_npad_type = npad_type.load();
     } else {
         SetNpadStyleIndex(NpadStyleIndex::Fullkey);
-        original_npad_type = npad_type;
+        original_npad_type = npad_type.load();
     }
 
     // Disable special features before disconnecting
@@ -577,10 +577,9 @@ void EmulatedController::UnloadInput() {
 }
 
 void EmulatedController::EnableConfiguration() {
-    std::unique_lock lock1{connect_mutex}, lock2{npad_mutex};
-    is_configuring = true;
-    tmp_is_connected = is_connected;
-    tmp_npad_type = npad_type;
+    is_configuring.store(true);
+    tmp_is_connected.store(is_connected);
+    tmp_npad_type.store(npad_type);
 }
 
 void EmulatedController::DisableConfiguration() {
@@ -600,7 +599,7 @@ void EmulatedController::DisableConfiguration() {
             Disconnect();
         }
         SetNpadStyleIndex(tmp_npad_type);
-        original_npad_type = tmp_npad_type;
+        original_npad_type.store(tmp_npad_type);
     }
 
     // Apply temporary connected status to the real controller
@@ -614,19 +613,16 @@ void EmulatedController::DisableConfiguration() {
 }
 
 void EmulatedController::EnableSystemButtons() {
-    std::unique_lock lock{mutex};
     system_buttons_enabled = true;
 }
 
 void EmulatedController::DisableSystemButtons() {
-    std::unique_lock lock{mutex};
     system_buttons_enabled = false;
     controller.home_button_state.raw = 0;
     controller.capture_button_state.raw = 0;
 }
 
 void EmulatedController::ResetSystemButtons() {
-    std::unique_lock lock{mutex};
     controller.home_button_state.home.Assign(false);
     controller.capture_button_state.capture.Assign(false);
 }
@@ -763,8 +759,7 @@ void EmulatedController::StartMotionCalibration() {
     }
 }
 
-void EmulatedController::SetButton(const Common::Input::CallbackStatus& callback, std::size_t index,
-                                   Common::UUID uuid) {
+void EmulatedController::SetButton(const Common::Input::CallbackStatus& callback, std::size_t index, Common::UUID uuid) {
     const auto player_index = Service::HID::NpadIdTypeToIndex(npad_id_type);
     const auto& player = Settings::values.players.GetValue()[player_index];
 
@@ -772,7 +767,6 @@ void EmulatedController::SetButton(const Common::Input::CallbackStatus& callback
         return;
     }
 
-    std::unique_lock lock{mutex};
     bool value_changed = false;
     const auto new_status = TransformToButton(callback);
     auto& current_status = controller.button_values[index];
@@ -818,7 +812,6 @@ void EmulatedController::SetButton(const Common::Input::CallbackStatus& callback
         controller.debug_pad_button_state.raw = 0;
         controller.home_button_state.raw = 0;
         controller.capture_button_state.raw = 0;
-        lock.unlock();
         TriggerOnChange(ControllerTriggerType::Button, false);
         return;
     }
@@ -922,8 +915,6 @@ void EmulatedController::SetButton(const Common::Input::CallbackStatus& callback
         break;
     }
 
-    lock.unlock();
-
     if (!is_connected) {
         if (npad_type == NpadStyleIndex::Handheld) {
             if (npad_id_type == NpadIdType::Handheld) {
@@ -952,7 +943,6 @@ void EmulatedController::SetStick(const Common::Input::CallbackStatus& callback,
     auto trigger_guard = SCOPE_GUARD {
         TriggerOnChange(ControllerTriggerType::Stick, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     const auto stick_value = TransformToStick(callback);
 
     // Only read stick values that have the same uuid or are over the threshold to avoid flapping
@@ -1009,7 +999,6 @@ void EmulatedController::SetTrigger(const Common::Input::CallbackStatus& callbac
     auto trigger_guard = SCOPE_GUARD {
         TriggerOnChange(ControllerTriggerType::Trigger, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     const auto trigger_value = TransformToTrigger(callback);
 
     // Only read trigger values that have the same uuid or are pressed once
@@ -1057,7 +1046,6 @@ void EmulatedController::SetMotion(const Common::Input::CallbackStatus& callback
     SCOPE_EXIT {
         TriggerOnChange(ControllerTriggerType::Motion, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     auto& raw_status = controller.motion_values[index].raw_status;
     auto& emulated = controller.motion_values[index].emulated;
 
@@ -1093,7 +1081,6 @@ void EmulatedController::SetColors(const Common::Input::CallbackStatus& callback
     auto trigger_guard = SCOPE_GUARD {
         TriggerOnChange(ControllerTriggerType::Color, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     controller.color_values[index] = TransformToColor(callback);
 
     if (is_configuring) {
@@ -1136,15 +1123,13 @@ void EmulatedController::SetColors(const Common::Input::CallbackStatus& callback
     }
 }
 
-void EmulatedController::SetBattery(const Common::Input::CallbackStatus& callback,
-                                    std::size_t index) {
+void EmulatedController::SetBattery(const Common::Input::CallbackStatus& callback, std::size_t index) {
     if (index >= controller.battery_values.size()) {
         return;
     }
     SCOPE_EXIT {
         TriggerOnChange(ControllerTriggerType::Battery, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     controller.battery_values[index] = TransformToBattery(callback);
 
     if (is_configuring) {
@@ -1209,47 +1194,33 @@ void EmulatedController::SetCamera(const Common::Input::CallbackStatus& callback
     SCOPE_EXIT {
         TriggerOnChange(ControllerTriggerType::IrSensor, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     controller.camera_values = TransformToCamera(callback);
-
-    if (is_configuring) {
-        return;
+    if (!is_configuring) {
+        controller.camera_state.sample++;
+        controller.camera_state.format = Core::IrSensor::ImageTransferProcessorFormat(controller.camera_values.format);
+        controller.camera_state.data = controller.camera_values.data;
     }
-
-    controller.camera_state.sample++;
-    controller.camera_state.format =
-        static_cast<Core::IrSensor::ImageTransferProcessorFormat>(controller.camera_values.format);
-    controller.camera_state.data = controller.camera_values.data;
 }
 
 void EmulatedController::SetRingAnalog(const Common::Input::CallbackStatus& callback) {
     SCOPE_EXIT {
         TriggerOnChange(ControllerTriggerType::RingController, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     const auto force_value = TransformToStick(callback);
-
     controller.ring_analog_value = force_value.x;
-
-    if (is_configuring) {
-        return;
+    if (!is_configuring) {
+        controller.ring_analog_state.force = force_value.x.value;
     }
-
-    controller.ring_analog_state.force = force_value.x.value;
 }
 
 void EmulatedController::SetNfc(const Common::Input::CallbackStatus& callback) {
     SCOPE_EXIT {
         TriggerOnChange(ControllerTriggerType::Nfc, !is_configuring);
     };
-    std::unique_lock lock{mutex};
     controller.nfc_values = TransformToNfc(callback);
-
-    if (is_configuring) {
-        return;
+    if (!is_configuring) {
+        controller.nfc_state = controller.nfc_values;
     }
-
-    controller.nfc_state = controller.nfc_values;
 }
 
 bool EmulatedController::SetVibration(bool should_vibrate) {
@@ -1258,7 +1229,6 @@ bool EmulatedController::SetVibration(bool should_vibrate) {
         vibration_value.high_amplitude = 1.0f;
         vibration_value.low_amplitude = 1.0f;
     }
-
     return SetVibration(DeviceIndex::Left, vibration_value);
 }
 
@@ -1268,7 +1238,6 @@ bool EmulatedController::SetVibration(u32 slot, Core::HID::VibrationGcErmCommand
         vibration_value.high_amplitude = 1.0f;
         vibration_value.low_amplitude = 1.0f;
     }
-
     return SetVibration(DeviceIndex::Left, vibration_value);
 }
 
@@ -1632,7 +1601,7 @@ void EmulatedController::SetSupportedNpadStyleTag(NpadStyleTag supported_styles)
     // Attempt to reconnect with the original type
     if (npad_type != original_npad_type) {
         Disconnect();
-        const auto current_npad_type = npad_type;
+        const auto current_npad_type = npad_type.load();
         SetNpadStyleIndex(original_npad_type);
         if (IsControllerSupported()) {
             Connect();
@@ -1650,7 +1619,7 @@ void EmulatedController::SetSupportedNpadStyleTag(NpadStyleTag supported_styles)
 
     // Fallback Fullkey controllers to Pro controllers
     if (IsControllerFullkey() && supported_style_tag.fullkey) {
-        LOG_WARNING(Service_HID, "Reconnecting controller type {} as Pro controller", npad_type);
+        LOG_WARNING(Service_HID, "Reconnecting controller type {} as Pro controller", npad_type.load());
         SetNpadStyleIndex(NpadStyleIndex::Fullkey);
         Connect();
         return;
@@ -1658,7 +1627,7 @@ void EmulatedController::SetSupportedNpadStyleTag(NpadStyleTag supported_styles)
 
     // Fallback Dual joycon controllers to Pro controllers
     if (npad_type == NpadStyleIndex::JoyconDual && supported_style_tag.fullkey) {
-        LOG_WARNING(Service_HID, "Reconnecting controller type {} as Pro controller", npad_type);
+        LOG_WARNING(Service_HID, "Reconnecting controller type {} as Pro controller", npad_type.load());
         SetNpadStyleIndex(NpadStyleIndex::Fullkey);
         Connect();
         return;
@@ -1666,19 +1635,16 @@ void EmulatedController::SetSupportedNpadStyleTag(NpadStyleTag supported_styles)
 
     // Fallback Pro controllers to Dual joycon
     if (npad_type == NpadStyleIndex::Fullkey && supported_style_tag.joycon_dual) {
-        LOG_WARNING(Service_HID, "Reconnecting controller type {} as Dual Joycons", npad_type);
+        LOG_WARNING(Service_HID, "Reconnecting controller type {} as Dual Joycons", npad_type.load());
         SetNpadStyleIndex(NpadStyleIndex::JoyconDual);
         Connect();
         return;
     }
-
-    LOG_ERROR(Service_HID, "Controller type {} is not supported. Disconnecting controller",
-              npad_type);
+    LOG_ERROR(Service_HID, "Controller type {} is not supported. Disconnecting controller", npad_type.load());
 }
 
 bool EmulatedController::IsControllerFullkey(bool use_temporary_value) const {
-    std::unique_lock lock{mutex};
-    const auto type = is_configuring && use_temporary_value ? tmp_npad_type : npad_type;
+    const auto type = is_configuring.load() && use_temporary_value ? tmp_npad_type.load() : npad_type.load();
     switch (type) {
     case NpadStyleIndex::Fullkey:
     case NpadStyleIndex::GameCube:
@@ -1693,39 +1659,26 @@ bool EmulatedController::IsControllerFullkey(bool use_temporary_value) const {
 }
 
 bool EmulatedController::IsControllerSupported(bool use_temporary_value) const {
-    std::unique_lock lock{mutex};
-    const auto type = is_configuring && use_temporary_value ? tmp_npad_type : npad_type;
+    const auto type = is_configuring.load() && use_temporary_value ? tmp_npad_type.load() : npad_type.load();
     switch (type) {
-    case NpadStyleIndex::Fullkey:
-        return supported_style_tag.fullkey.As<bool>();
-    case NpadStyleIndex::Handheld:
-        return supported_style_tag.handheld.As<bool>();
-    case NpadStyleIndex::JoyconDual:
-        return supported_style_tag.joycon_dual.As<bool>();
-    case NpadStyleIndex::JoyconLeft:
-        return supported_style_tag.joycon_left.As<bool>();
-    case NpadStyleIndex::JoyconRight:
-        return supported_style_tag.joycon_right.As<bool>();
-    case NpadStyleIndex::GameCube:
-        return supported_style_tag.gamecube.As<bool>();
-    case NpadStyleIndex::Pokeball:
-        return supported_style_tag.palma.As<bool>();
-    case NpadStyleIndex::NES:
-        return supported_style_tag.lark.As<bool>();
-    case NpadStyleIndex::SNES:
-        return supported_style_tag.lucia.As<bool>();
-    case NpadStyleIndex::N64:
-        return supported_style_tag.lagoon.As<bool>();
-    case NpadStyleIndex::SegaGenesis:
-        return supported_style_tag.lager.As<bool>();
-    default:
-        return false;
+    case NpadStyleIndex::Fullkey: return supported_style_tag.fullkey.As<bool>();
+    case NpadStyleIndex::Handheld: return supported_style_tag.handheld.As<bool>();
+    case NpadStyleIndex::JoyconDual: return supported_style_tag.joycon_dual.As<bool>();
+    case NpadStyleIndex::JoyconLeft: return supported_style_tag.joycon_left.As<bool>();
+    case NpadStyleIndex::JoyconRight: return supported_style_tag.joycon_right.As<bool>();
+    case NpadStyleIndex::GameCube: return supported_style_tag.gamecube.As<bool>();
+    case NpadStyleIndex::Pokeball: return supported_style_tag.palma.As<bool>();
+    case NpadStyleIndex::NES: return supported_style_tag.lark.As<bool>();
+    case NpadStyleIndex::SNES: return supported_style_tag.lucia.As<bool>();
+    case NpadStyleIndex::N64: return supported_style_tag.lagoon.As<bool>();
+    case NpadStyleIndex::SegaGenesis: return supported_style_tag.lager.As<bool>();
+    default: return false;
     }
 }
 
 void EmulatedController::Connect(bool use_temporary_value) {
     if (!IsControllerSupported(use_temporary_value)) {
-        const auto type = is_configuring && use_temporary_value ? tmp_npad_type : npad_type;
+        const auto type = is_configuring.load() && use_temporary_value ? tmp_npad_type.load() : npad_type.load();
         LOG_ERROR(Service_HID, "Controller type {} is not supported", type);
         return;
     }
@@ -1733,12 +1686,10 @@ void EmulatedController::Connect(bool use_temporary_value) {
     auto trigger_guard = SCOPE_GUARD {
         TriggerOnChange(ControllerTriggerType::Connected, !is_configuring);
     };
-    std::unique_lock lock1{connect_mutex}, lock2{mutex};
     if (is_configuring) {
         tmp_is_connected = true;
         return;
     }
-
     if (is_connected) {
         trigger_guard.Cancel();
         return;
@@ -1750,12 +1701,10 @@ void EmulatedController::Disconnect() {
     auto trigger_guard = SCOPE_GUARD {
         TriggerOnChange(ControllerTriggerType::Disconnected, !is_configuring);
     };
-    std::unique_lock lock1{connect_mutex}, lock2{mutex};
     if (is_configuring) {
         tmp_is_connected = false;
         return;
     }
-
     if (!is_connected) {
         trigger_guard.Cancel();
         return;
@@ -1764,19 +1713,16 @@ void EmulatedController::Disconnect() {
 }
 
 bool EmulatedController::IsConnected(bool get_temporary_value) const {
-    std::shared_lock lock{connect_mutex};
     if (get_temporary_value && is_configuring)
         return tmp_is_connected;
     return is_connected;
 }
 
 NpadIdType EmulatedController::GetNpadIdType() const {
-    std::shared_lock lock{mutex};
     return npad_id_type;
 }
 
 NpadStyleIndex EmulatedController::GetNpadStyleIndex(bool get_temporary_value) const {
-    std::shared_lock lock{npad_mutex};
     if (get_temporary_value && is_configuring)
         return tmp_npad_type;
     return npad_type;
@@ -1786,8 +1732,6 @@ void EmulatedController::SetNpadStyleIndex(NpadStyleIndex npad_type_) {
     auto trigger_guard = SCOPE_GUARD {
         TriggerOnChange(ControllerTriggerType::Type, !is_configuring);
     };
-    std::unique_lock lock1{mutex}, lock2{npad_mutex};
-
     if (is_configuring) {
         if (tmp_npad_type == npad_type_) {
             trigger_guard.Cancel();
@@ -1796,14 +1740,12 @@ void EmulatedController::SetNpadStyleIndex(NpadStyleIndex npad_type_) {
         tmp_npad_type = npad_type_;
         return;
     }
-
     if (npad_type == npad_type_) {
         trigger_guard.Cancel();
         return;
     }
     if (is_connected) {
-        LOG_WARNING(Service_HID, "Controller {} type changed while it's connected",
-                    Service::HID::NpadIdTypeToIndex(npad_id_type));
+        LOG_WARNING(Service_HID, "Controller {} type changed while it's connected", Service::HID::NpadIdTypeToIndex(npad_id_type));
     }
     npad_type = npad_type_;
 }
@@ -1832,37 +1774,30 @@ LedPattern EmulatedController::GetLedPattern() const {
 }
 
 ButtonValues EmulatedController::GetButtonsValues() const {
-    std::unique_lock lock{mutex};
     return controller.button_values;
 }
 
 SticksValues EmulatedController::GetSticksValues() const {
-    std::unique_lock lock{mutex};
     return controller.stick_values;
 }
 
 TriggerValues EmulatedController::GetTriggersValues() const {
-    std::unique_lock lock{mutex};
     return controller.trigger_values;
 }
 
 ControllerMotionValues EmulatedController::GetMotionValues() const {
-    std::unique_lock lock{mutex};
     return controller.motion_values;
 }
 
 ColorValues EmulatedController::GetColorsValues() const {
-    std::unique_lock lock{mutex};
     return controller.color_values;
 }
 
 BatteryValues EmulatedController::GetBatteryValues() const {
-    std::unique_lock lock{mutex};
     return controller.battery_values;
 }
 
 CameraValues EmulatedController::GetCameraValues() const {
-    std::unique_lock lock{mutex};
     return controller.camera_values;
 }
 
@@ -1871,72 +1806,54 @@ RingAnalogValue EmulatedController::GetRingSensorValues() const {
 }
 
 HomeButtonState EmulatedController::GetHomeButtons() const {
-    std::unique_lock lock{mutex};
-    if (is_configuring) {
+    if (is_configuring)
         return {};
-    }
     return controller.home_button_state;
 }
 
 CaptureButtonState EmulatedController::GetCaptureButtons() const {
-    std::unique_lock lock{mutex};
-    if (is_configuring) {
+    if (is_configuring)
         return {};
-    }
     return controller.capture_button_state;
 }
 
 NpadButtonState EmulatedController::GetNpadButtons() const {
-    std::unique_lock lock{mutex};
-    if (is_configuring) {
+    if (is_configuring)
         return {};
-    }
     return {controller.npad_button_state.raw & GetTurboButtonMask()};
 }
 
 DebugPadButton EmulatedController::GetDebugPadButtons() const {
-    std::unique_lock lock{mutex};
-    if (is_configuring) {
+    if (is_configuring)
         return {};
-    }
     return controller.debug_pad_button_state;
 }
 
 AnalogSticks EmulatedController::GetSticks() const {
-    std::unique_lock lock{mutex};
-
-    if (is_configuring) {
+    if (is_configuring)
         return {};
-    }
-
     return controller.analog_stick_state;
 }
 
 NpadGcTriggerState EmulatedController::GetTriggers() const {
-    std::unique_lock lock{mutex};
-    if (is_configuring) {
+    if (is_configuring)
         return {};
-    }
     return controller.gc_trigger_state;
 }
 
 MotionState EmulatedController::GetMotions() const {
-    std::unique_lock lock{mutex};
     return controller.motion_state;
 }
 
 ControllerColors EmulatedController::GetColors() const {
-    std::unique_lock lock{mutex};
     return controller.colors_state;
 }
 
 BatteryLevelState EmulatedController::GetBattery() const {
-    std::unique_lock lock{mutex};
     return controller.battery_state;
 }
 
 const CameraState& EmulatedController::GetCamera() const {
-    std::unique_lock lock{mutex};
     return controller.camera_state;
 }
 
@@ -1945,15 +1862,14 @@ RingSensorForce EmulatedController::GetRingSensorForce() const {
 }
 
 const NfcState& EmulatedController::GetNfc() const {
-    std::unique_lock lock{mutex};
     return controller.nfc_state;
 }
 
 NpadColor EmulatedController::GetNpadColor(u32 color) {
     return {
-        .r = static_cast<u8>((color >> 16) & 0xFF),
-        .g = static_cast<u8>((color >> 8) & 0xFF),
-        .b = static_cast<u8>(color & 0xFF),
+        .r = u8((color >> 16) & 0xFF),
+        .g = u8((color >> 8) & 0xFF),
+        .b = u8(color & 0xFF),
         .a = 0xff,
     };
 }

src/hid_core/frontend/emulated_controller.h

@@ -11,8 +11,10 @@
 #include <memory>
 #include <mutex>
 #include <shared_mutex>
-#include <ankerl/unordered_dense.h>
 #include <vector>
+#include <atomic>
+
+#include <ankerl/unordered_dense.h>
 
 #include "common/common_types.h"
 #include "common/input.h"
@@ -576,13 +578,7 @@ private:
     NpadButton GetTurboButtonMask() const;
 
     const NpadIdType npad_id_type;
-    NpadStyleIndex npad_type{NpadStyleIndex::None};
-    NpadStyleIndex original_npad_type{NpadStyleIndex::None};
     NpadStyleTag supported_style_tag{NpadStyleSet::All};
-    bool is_connected{false};
-    bool is_configuring{false};
-    bool is_initialized{false};
-    bool system_buttons_enabled{true};
     f32 motion_sensitivity{Core::HID::MotionInput::IsAtRestStandard};
     u32 turbo_button_state{0};
     std::size_t nfc_handles{0};
@@ -591,9 +587,16 @@ private:
     std::array<std::chrono::steady_clock::time_point, 2> last_vibration_timepoint{};
     std::array<bool, HIDCore::available_controllers> controller_connected{};
 
+    // Atomically synched values
+    std::atomic<HID::NpadStyleIndex> npad_type{HID::NpadStyleIndex::None};
+    std::atomic<HID::NpadStyleIndex> original_npad_type{HID::NpadStyleIndex::None};
     // Temporary values to avoid doing changes while the controller is in configuring mode
-    NpadStyleIndex tmp_npad_type{NpadStyleIndex::None};
-    bool tmp_is_connected{false};
+    std::atomic<HID::NpadStyleIndex> tmp_npad_type{HID::NpadStyleIndex::None};
+    std::atomic<bool> tmp_is_connected{false};
+    std::atomic<bool> is_connected{false};
+    std::atomic<bool> is_configuring{false};
+    std::atomic<bool> is_initialized{false};
+    std::atomic<bool> system_buttons_enabled{true};
 
     ButtonParams button_params;
     StickParams stick_params;
@@ -632,10 +635,7 @@ private:
     StickDevices virtual_stick_devices;
     ControllerMotionDevices virtual_motion_devices;
 
-    mutable std::shared_mutex mutex;
-    mutable std::shared_mutex callback_mutex;
-    mutable std::shared_mutex npad_mutex;
-    mutable std::shared_mutex connect_mutex;
+    mutable std::mutex callback_mutex;
     ankerl::unordered_dense::map<int, ControllerUpdateCallback> callback_list;
     int last_callback_key = 0;
 

src/video_core/macro.cpp

@@ -11,17 +11,9 @@
 
 #include <fstream>
 #include <variant>
+
 #ifdef ARCHITECTURE_x86_64
-// xbyak hates human beings
-#ifdef __GNUC__
-#pragma GCC diagnostic ignored "-Wconversion"
-#pragma GCC diagnostic ignored "-Wshadow"
-#endif
-#ifdef __clang__
-#pragma clang diagnostic ignored "-Wconversion"
-#pragma clang diagnostic ignored "-Wshadow"
-#endif
-#include <xbyak/xbyak.h>
+#include "common/x64/xbyak.h"
 #endif
 
 #include "common/assert.h"
@@ -39,10 +31,6 @@
 #include "common/assert.h"
 #include "common/bit_field.h"
 #include "common/logging.h"
-#ifdef ARCHITECTURE_x86_64
-#include "common/x64/xbyak_abi.h"
-#include "common/x64/xbyak_util.h"
-#endif
 #include "video_core/engines/maxwell_3d.h"
 
 namespace Tegra {