Merge pull request #293 from shadps4-emu/misc-fixes3

Various linux fixes

externals/CMakeLists.txt

@@ -59,6 +59,7 @@ endif()
 
 # SDL3
 if (NOT TARGET SDL3::SDL3)
+    set(SDL_PIPEWIRE OFF)
     add_subdirectory(sdl3)
 endif()
 

src/common/io_file.h

@@ -205,9 +205,9 @@ public:
         return WriteSpan(string);
     }
 
-    static void WriteBytes(const std::filesystem::path path, std::span<u8> vec) {
+    static void WriteBytes(const std::filesystem::path path, std::span<const u8> data) {
         IOFile out(path, FileAccessMode::Write);
-        out.Write(vec);
+        out.Write(data);
     }
 
 private:

src/core/file_sys/fs.cpp

@@ -11,18 +11,12 @@ constexpr int RESERVED_HANDLES = 3; // First 3 handles are stdin,stdout,stderr
 
 void MntPoints::Mount(const std::filesystem::path& host_folder, const std::string& guest_folder) {
     std::scoped_lock lock{m_mutex};
-
+    m_mnt_pairs.emplace_back(host_folder, guest_folder);
-    MntPair pair;
-    pair.host_path = host_folder.string();
-    std::replace(pair.host_path.begin(), pair.host_path.end(), '\\', '/');
-    pair.guest_path = guest_folder;
-
-    m_mnt_pairs.push_back(pair);
 }
 
 void MntPoints::Unmount(const std::filesystem::path& host_folder, const std::string& guest_folder) {
     auto it = std::remove_if(m_mnt_pairs.begin(), m_mnt_pairs.end(),
-                             [&](const MntPair& pair) { return pair.guest_path == guest_folder; });
+                             [&](const MntPair& pair) { return pair.mount == guest_folder; });
     m_mnt_pairs.erase(it, m_mnt_pairs.end());
 }
 
@@ -31,47 +25,79 @@ void MntPoints::UnmountAll() {
     m_mnt_pairs.clear();
 }
 
-std::string MntPoints::GetHostDirectory(const std::string& guest_directory) {
+std::filesystem::path MntPoints::GetHostPath(const std::string& guest_directory) {
-    std::scoped_lock lock{m_mutex};
+    const MntPair* mount = GetMount(guest_directory);
-    for (auto& pair : m_mnt_pairs) {
+    if (!mount) {
-        // horrible code but it works :D
+        return guest_directory;
-        int find = guest_directory.find(pair.guest_path);
-        if (find == 0) {
-            std::string npath =
-                guest_directory.substr(pair.guest_path.size(), guest_directory.size() - 1);
-            std::replace(pair.host_path.begin(), pair.host_path.end(), '\\', '/');
-            return pair.host_path + npath;
-        }
     }
-    return "";
-}
 
-std::string MntPoints::GetHostFile(const std::string& guest_file) {
+    // Nothing to do if getting the mount itself.
-    std::scoped_lock lock{m_mutex};
+    if (guest_directory == mount->mount) {
+        return mount->host_path;
+    }
 
-    for (auto& pair : m_mnt_pairs) {
+    // Remove device (e.g /app0) from path to retrieve relative path.
-        // horrible code but it works :D
+    const u32 pos = mount->mount.size() + 1;
-        int find = guest_file.find(pair.guest_path);
+    const auto rel_path = std::string_view(guest_directory).substr(pos);
-        if (find != 0) {
+    const auto host_path = mount->host_path / rel_path;
-            continue;
+    if (!NeedsCaseInsensiveSearch) {
-        }
-        std::string npath = guest_file.substr(pair.guest_path.size(), guest_file.size() - 1);
-        const auto host_path = pair.host_path + npath;
-#ifndef _WIN64
-        const std::filesystem::path path{host_path};
-        if (!std::filesystem::exists(path)) {
-            const auto filename = Common::ToLower(path.filename());
-            for (const auto& file : std::filesystem::directory_iterator(path.parent_path())) {
-                const auto exist_filename = Common::ToLower(file.path().filename());
-                if (filename == exist_filename) {
-                    return file.path();
-                }
-            }
-        }
-#endif
         return host_path;
     }
-    return "";
+
+    // If the path does not exist attempt to verify this.
+    // Retrieve parent path until we find one that exists.
+    path_parts.clear();
+    auto current_path = host_path;
+    while (!std::filesystem::exists(current_path)) {
+        // We have probably cached this if it's a folder.
+        if (auto it = path_cache.find(current_path); it != path_cache.end()) {
+            current_path = it->second;
+            break;
+        }
+        path_parts.emplace_back(current_path.filename());
+        current_path = current_path.parent_path();
+    }
+
+    // We have found an anchor. Traverse parts we recoded and see if they
+    // exist in filesystem but in different case.
+    auto guest_path = current_path;
+    while (!path_parts.empty()) {
+        const auto& part = path_parts.back();
+        const auto add_match = [&](const auto& host_part) {
+            current_path += host_part;
+            guest_path += part;
+            path_cache[guest_path] = current_path;
+            path_parts.pop_back();
+        };
+
+        // Can happen when the mismatch is in upper folder.
+        if (std::filesystem::exists(current_path / part)) {
+            add_match(part);
+            continue;
+        }
+        const auto part_low = Common::ToLower(part.string());
+        bool found_match = false;
+        for (const auto& path : std::filesystem::directory_iterator(current_path)) {
+            const auto candidate = path.path().filename();
+            const auto filename = Common::ToLower(candidate.string());
+            // Check if a filename matches in case insensitive manner.
+            if (filename != part_low) {
+                continue;
+            }
+            // We found a match, record the actual path in the cache.
+            add_match(candidate);
+            found_match = true;
+            break;
+        }
+        if (!found_match) {
+            // Opening the guest path will surely fail but at least gives
+            // a better error message than the empty path.
+            return host_path;
+        }
+    }
+
+    // The path was found.
+    return current_path;
 }
 
 int HandleTable::CreateHandle() {
@@ -105,14 +131,9 @@ File* HandleTable::GetFile(int d) {
     return m_files.at(d - RESERVED_HANDLES);
 }
 
-File* HandleTable::getFile(const std::string& host_name) {
+File* HandleTable::GetFile(const std::filesystem::path& host_name) {
-    std::scoped_lock lock{m_mutex};
+    const auto it = std::ranges::find(m_files, host_name, &File::m_host_name);
-    for (auto* file : m_files) {
+    return it == m_files.end() ? nullptr : *it;
-        if (file != nullptr && file->m_host_name == host_name) {
-            return file;
-        }
-    }
-    return nullptr;
 }
 
 } // namespace Core::FileSys

src/core/file_sys/fs.h

@@ -7,28 +7,42 @@
 #include <mutex>
 #include <string>
 #include <vector>
+#include <tsl/robin_map.h>
 #include "common/io_file.h"
 
 namespace Core::FileSys {
 
 class MntPoints {
+#ifdef _WIN64
+    static constexpr bool NeedsCaseInsensiveSearch = false;
+#else
+    static constexpr bool NeedsCaseInsensiveSearch = true;
+#endif
 public:
     struct MntPair {
-        std::string host_path;
+        std::filesystem::path host_path;
-        std::string guest_path; // e.g /app0/
+        std::string mount; // e.g /app0/
     };
 
-    MntPoints() = default;
+    explicit MntPoints() = default;
-    virtual ~MntPoints() = default;
+    ~MntPoints() = default;
 
     void Mount(const std::filesystem::path& host_folder, const std::string& guest_folder);
     void Unmount(const std::filesystem::path& host_folder, const std::string& guest_folder);
     void UnmountAll();
-    std::string GetHostDirectory(const std::string& guest_directory);
+
-    std::string GetHostFile(const std::string& guest_file);
+    std::filesystem::path GetHostPath(const std::string& guest_directory);
+
+    const MntPair* GetMount(const std::string& guest_path) {
+        const auto it = std::ranges::find_if(
+            m_mnt_pairs, [&](const auto& mount) { return guest_path.starts_with(mount.mount); });
+        return it == m_mnt_pairs.end() ? nullptr : &*it;
+    }
 
 private:
     std::vector<MntPair> m_mnt_pairs;
+    std::vector<std::filesystem::path> path_parts;
+    tsl::robin_map<std::filesystem::path, std::filesystem::path> path_cache;
     std::mutex m_mutex;
 };
 
@@ -40,7 +54,7 @@ struct DirEntry {
 struct File {
     std::atomic_bool is_opened{};
     std::atomic_bool is_directory{};
-    std::string m_host_name;
+    std::filesystem::path m_host_name;
     std::string m_guest_name;
     Common::FS::IOFile f;
     std::vector<DirEntry> dirents;
@@ -56,7 +70,7 @@ public:
     int CreateHandle();
     void DeleteHandle(int d);
     File* GetFile(int d);
-    File* getFile(const std::string& host_name);
+    File* GetFile(const std::filesystem::path& host_name);
 
 private:
     std::vector<File*> m_files;

src/core/libraries/kernel/event_queues.cpp

@@ -7,8 +7,6 @@
 #include "core/libraries/error_codes.h"
 #include "core/libraries/kernel/event_queues.h"
 
-#include <boost/asio/placeholders.hpp>
-
 namespace Libraries::Kernel {
 
 extern boost::asio::io_context io_context;
@@ -136,8 +134,7 @@ s32 PS4_SYSV_ABI sceKernelAddHRTimerEvent(SceKernelEqueue eq, int id, timespec*
     event.timer = std::make_unique<boost::asio::steady_timer>(
         io_context, std::chrono::microseconds(total_us - HrTimerSpinlockThresholdUs));
 
-    event.timer->async_wait(
+    event.timer->async_wait(std::bind(SmallTimerCallback, std::placeholders::_1, eq, event.event));
-        std::bind(SmallTimerCallback, boost::asio::placeholders::error, eq, event.event));
 
     if (!eq->AddEvent(event)) {
         return ORBIS_KERNEL_ERROR_ENOMEM;

src/core/libraries/kernel/file_system.cpp

@@ -13,7 +13,7 @@
 
 namespace Libraries::Kernel {
 
-std::vector<Core::FileSys::DirEntry> GetDirectoryEntries(const std::string& path) {
+std::vector<Core::FileSys::DirEntry> GetDirectoryEntries(const std::filesystem::path& path) {
     std::vector<Core::FileSys::DirEntry> files;
     for (const auto& entry : std::filesystem::directory_iterator(path)) {
         auto& dir_entry = files.emplace_back();
@@ -58,7 +58,7 @@ int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, u16 mode) {
     if (directory) {
         file->is_directory = true;
         file->m_guest_name = path;
-        file->m_host_name = mnt->GetHostDirectory(file->m_guest_name);
+        file->m_host_name = mnt->GetHostPath(file->m_guest_name);
         if (!std::filesystem::is_directory(file->m_host_name)) { // directory doesn't exist
             h->DeleteHandle(handle);
             return ORBIS_KERNEL_ERROR_ENOTDIR;
@@ -72,7 +72,7 @@ int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, u16 mode) {
         }
     } else {
         file->m_guest_name = path;
-        file->m_host_name = mnt->GetHostFile(file->m_guest_name);
+        file->m_host_name = mnt->GetHostPath(file->m_guest_name);
         int e = 0;
         if (read) {
             e = file->f.Open(file->m_host_name, Common::FS::FileAccessMode::Read);
@@ -165,8 +165,7 @@ int PS4_SYSV_ABI sceKernelUnlink(const char* path) {
     auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
 
-    std::string host_path = mnt->GetHostFile(path);
+    const auto host_path = mnt->GetHostPath(path);
-
     if (host_path.empty()) {
         return SCE_KERNEL_ERROR_EACCES;
     }
@@ -175,7 +174,7 @@ int PS4_SYSV_ABI sceKernelUnlink(const char* path) {
         return SCE_KERNEL_ERROR_EPERM;
     }
 
-    auto* file = h->getFile(host_path);
+    auto* file = h->GetFile(host_path);
     if (file != nullptr) {
         file->f.Unlink();
     }
@@ -250,7 +249,7 @@ int PS4_SYSV_ABI sceKernelMkdir(const char* path, u16 mode) {
         return SCE_KERNEL_ERROR_EINVAL;
     }
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    std::string dir_name = mnt->GetHostFile(path);
+    const auto dir_name = mnt->GetHostPath(path);
     if (std::filesystem::exists(dir_name)) {
         return SCE_KERNEL_ERROR_EEXIST;
     }
@@ -279,7 +278,7 @@ int PS4_SYSV_ABI posix_mkdir(const char* path, u16 mode) {
 int PS4_SYSV_ABI sceKernelStat(const char* path, OrbisKernelStat* sb) {
     LOG_INFO(Kernel_Fs, "(PARTIAL) path = {}", path);
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    const auto& path_name = mnt->GetHostFile(path);
+    const auto path_name = mnt->GetHostPath(path);
     std::memset(sb, 0, sizeof(OrbisKernelStat));
     const bool is_dir = std::filesystem::is_directory(path_name);
     const bool is_file = std::filesystem::is_regular_file(path_name);
@@ -314,7 +313,7 @@ int PS4_SYSV_ABI posix_stat(const char* path, OrbisKernelStat* sb) {
 
 int PS4_SYSV_ABI sceKernelCheckReachability(const char* path) {
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    std::string path_name = mnt->GetHostFile(path);
+    const auto path_name = mnt->GetHostPath(path);
     if (!std::filesystem::exists(path_name)) {
         return SCE_KERNEL_ERROR_ENOENT;
     }

src/core/libraries/kernel/libkernel.cpp

@@ -222,7 +222,7 @@ s32 PS4_SYSV_ABI sceKernelLoadStartModule(const char* moduleFileName, size_t arg
     }
 
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    const auto path = mnt->GetHostFile(moduleFileName);
+    const auto path = mnt->GetHostPath(moduleFileName);
 
     // Load PRX module and relocate any modules that import it.
     auto* linker = Common::Singleton<Core::Linker>::Instance();

src/core/libraries/kernel/thread_management.cpp

@@ -1006,17 +1006,7 @@ ScePthread PThreadPool::Create() {
         }
     }
 
-#ifdef _WIN64
     auto* ret = new PthreadInternal{};
-#else
-    // TODO: Linux specific hack
-    static u8* hint_address = reinterpret_cast<u8*>(0x7FFFFC000ULL);
-    auto* ret = reinterpret_cast<PthreadInternal*>(
-        mmap(hint_address, sizeof(PthreadInternal), PROT_READ | PROT_WRITE,
-             MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0));
-    hint_address += Common::AlignUp(sizeof(PthreadInternal), 4_KB);
-#endif
-
     ret->is_free = false;
     ret->is_detached = false;
     ret->is_almost_done = false;

src/core/libraries/libc/libc_stdio.cpp

@@ -1,7 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "common/assert.h"
+#include "common/logging/log.h"
 #include "common/singleton.h"
 #include "core/file_sys/fs.h"
 #include "core/libraries/libc/libc_stdio.h"
@@ -10,11 +10,12 @@ namespace Libraries::LibC {
 
 std::FILE* PS4_SYSV_ABI ps4_fopen(const char* filename, const char* mode) {
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    FILE* f = std::fopen(mnt->GetHostFile(filename).c_str(), mode);
+    const auto host_path = mnt->GetHostPath(filename).string();
+    FILE* f = std::fopen(host_path.c_str(), mode);
     if (f != nullptr) {
-        LOG_INFO(Lib_LibC, "fopen = {}", mnt->GetHostFile(filename).c_str());
+        LOG_INFO(Lib_LibC, "fopen = {}", host_path);
     } else {
-        LOG_INFO(Lib_LibC, "fopen can't open = {}", mnt->GetHostFile(filename).c_str());
+        LOG_INFO(Lib_LibC, "fopen can't open = {}", host_path);
     }
     return f;
 }

src/core/libraries/save_data/savedata.cpp

@@ -15,7 +15,8 @@
 #include "error_codes.h"
 
 namespace Libraries::SaveData {
-static std::string g_mount_point = "/savedata0"; // temp mount point (todo)
+
+static constexpr std::string_view g_mount_point = "/savedata0"; // temp mount point (todo)
 std::string game_serial;
 
 int PS4_SYSV_ABI sceSaveDataAbort() {
@@ -50,11 +51,11 @@ int PS4_SYSV_ABI sceSaveDataChangeInternal() {
 
 int PS4_SYSV_ABI sceSaveDataCheckBackupData(const OrbisSaveDataCheckBackupData* check) {
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    std::string mount_dir = mnt->GetHostFile(check->dirName->data);
+    const auto mount_dir = mnt->GetHostPath(check->dirName->data);
     if (!std::filesystem::exists(mount_dir)) {
         return ORBIS_SAVE_DATA_ERROR_NOT_FOUND;
     }
-    LOG_INFO(Lib_SaveData, "called = {}", mount_dir);
+    LOG_INFO(Lib_SaveData, "called = {}", mount_dir.string());
 
     return ORBIS_OK;
 }
@@ -317,14 +318,14 @@ int PS4_SYSV_ABI sceSaveDataGetSaveDataMemory2(OrbisSaveDataMemoryGet2* getParam
             return false;
         }
         file.Seek(getParam->data->offset);
-        size_t nbytes = file.ReadRaw<u8>(getParam->data->buf, getParam->data->bufSize);
+        file.ReadRaw<u8>(getParam->data->buf, getParam->data->bufSize);
         LOG_INFO(Lib_SaveData, "called: bufSize = {}, offset = {}", getParam->data->bufSize,
                  getParam->data->offset);
     }
 
     if (getParam->param != nullptr) {
-        Common::FS::IOFile file1(mount_dir / "param.txt", Common::FS::FileAccessMode::Read);
+        Common::FS::IOFile file(mount_dir / "param.txt", Common::FS::FileAccessMode::Read);
-        size_t nbytes = file1.ReadRaw<u8>(getParam->param, sizeof(OrbisSaveDataParam));
+        file.ReadRaw<u8>(getParam->param, sizeof(OrbisSaveDataParam));
     }
 
     return ORBIS_OK;
@@ -394,13 +395,13 @@ int PS4_SYSV_ABI sceSaveDataIsMounted() {
 int PS4_SYSV_ABI sceSaveDataLoadIcon(const OrbisSaveDataMountPoint* mountPoint,
                                      OrbisSaveDataIcon* icon) {
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    std::string mount_dir = mnt->GetHostFile(mountPoint->data);
+    const auto mount_dir = mnt->GetHostPath(mountPoint->data);
-    LOG_INFO(Lib_SaveData, "called: dir = {}", mount_dir);
+    LOG_INFO(Lib_SaveData, "called: dir = {}", mount_dir.string());
 
     if (icon != nullptr) {
-        Common::FS::IOFile file(mount_dir + "/save_data.png", Common::FS::FileAccessMode::Read);
+        Common::FS::IOFile file(mount_dir / "save_data.png", Common::FS::FileAccessMode::Read);
         icon->bufSize = file.GetSize();
-        size_t nbytes = file.ReadRaw<u8>(icon->buf, icon->bufSize);
+        file.ReadRaw<u8>(icon->buf, icon->bufSize);
     }
     return ORBIS_OK;
 }
@@ -409,6 +410,7 @@ s32 saveDataMount(u32 user_id, char* dir_name, u32 mount_mode,
                   OrbisSaveDataMountResult* mount_result) {
     const auto& mount_dir = Common::FS::GetUserPath(Common::FS::PathType::SaveDataDir) /
                             std::to_string(user_id) / game_serial / dir_name;
+    auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
     switch (mount_mode) {
     case ORBIS_SAVE_DATA_MOUNT_MODE_RDONLY:
     case ORBIS_SAVE_DATA_MOUNT_MODE_RDWR:
@@ -417,9 +419,8 @@ s32 saveDataMount(u32 user_id, char* dir_name, u32 mount_mode,
         if (!std::filesystem::exists(mount_dir)) {
             return ORBIS_SAVE_DATA_ERROR_NOT_FOUND;
         }
-        auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
         mount_result->mount_status = 0;
-        std::strncpy(mount_result->mount_point.data, g_mount_point.c_str(), 16);
+        g_mount_point.copy(mount_result->mount_point.data, 16);
         mnt->Mount(mount_dir, mount_result->mount_point.data);
     } break;
     case ORBIS_SAVE_DATA_MOUNT_MODE_CREATE:
@@ -431,16 +432,15 @@ s32 saveDataMount(u32 user_id, char* dir_name, u32 mount_mode,
         ORBIS_SAVE_DATA_MOUNT_MODE_COPY_ICON:
     case ORBIS_SAVE_DATA_MOUNT_MODE_CREATE | ORBIS_SAVE_DATA_MOUNT_MODE_DESTRUCT_OFF |
         ORBIS_SAVE_DATA_MOUNT_MODE_COPY_ICON: {
-        auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
         if (std::filesystem::exists(mount_dir)) {
-            std::strncpy(mount_result->mount_point.data, g_mount_point.c_str(), 16);
+            g_mount_point.copy(mount_result->mount_point.data, 16);
             mnt->Mount(mount_dir, mount_result->mount_point.data);
             mount_result->required_blocks = 0;
             mount_result->mount_status = 0;
             return ORBIS_SAVE_DATA_ERROR_EXISTS;
         }
         if (std::filesystem::create_directories(mount_dir)) {
-            std::strncpy(mount_result->mount_point.data, g_mount_point.c_str(), 16);
+            g_mount_point.copy(mount_result->mount_point.data, 16);
             mnt->Mount(mount_dir, mount_result->mount_point.data);
             mount_result->mount_status = 1;
         }
@@ -451,8 +451,7 @@ s32 saveDataMount(u32 user_id, char* dir_name, u32 mount_mode,
         if (!std::filesystem::exists(mount_dir)) {
             std::filesystem::create_directories(mount_dir);
         }
-        auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
+        g_mount_point.copy(mount_result->mount_point.data, 16);
-        std::strncpy(mount_result->mount_point.data, g_mount_point.c_str(), 16);
         mnt->Mount(mount_dir, mount_result->mount_point.data);
         mount_result->mount_status = 1;
     } break;
@@ -534,12 +533,12 @@ int PS4_SYSV_ABI sceSaveDataRestoreLoadSaveDataMemory() {
 int PS4_SYSV_ABI sceSaveDataSaveIcon(const OrbisSaveDataMountPoint* mountPoint,
                                      const OrbisSaveDataIcon* icon) {
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    std::string mount_dir = mnt->GetHostFile(mountPoint->data);
+    const auto mount_dir = mnt->GetHostPath(mountPoint->data);
-    LOG_INFO(Lib_SaveData, "called = {}", mount_dir);
+    LOG_INFO(Lib_SaveData, "called = {}", mount_dir.string());
 
     if (icon != nullptr) {
-        Common::FS::IOFile file(mount_dir + "/save_data.png", Common::FS::FileAccessMode::Write);
+        Common::FS::IOFile file(mount_dir / "save_data.png", Common::FS::FileAccessMode::Write);
-        file.WriteRaw<u8>((void*)icon->buf, icon->bufSize);
+        file.WriteRaw<u8>(icon->buf, icon->bufSize);
     }
     return ORBIS_OK;
 }
@@ -558,12 +557,13 @@ int PS4_SYSV_ABI sceSaveDataSetParam(const OrbisSaveDataMountPoint* mountPoint,
                                      OrbisSaveDataParamType paramType, const void* paramBuf,
                                      size_t paramBufSize) {
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    std::string mount_dir = mnt->GetHostFile(mountPoint->data);
+    const auto mount_dir = mnt->GetHostPath(mountPoint->data);
-    LOG_INFO(Lib_SaveData, "called = {}, mountPoint->data = {}", mount_dir, mountPoint->data);
+    LOG_INFO(Lib_SaveData, "called = {}, mountPoint->data = {}", mount_dir.string(),
+             mountPoint->data);
 
     if (paramBuf != nullptr) {
-        Common::FS::IOFile file(mount_dir + "/param.txt", Common::FS::FileAccessMode::Write);
+        Common::FS::IOFile file(mount_dir / "param.txt", Common::FS::FileAccessMode::Write);
-        file.WriteRaw<u8>((void*)paramBuf, paramBufSize);
+        file.WriteRaw<u8>(paramBuf, paramBufSize);
     }
     return ORBIS_OK;
 }
@@ -711,24 +711,23 @@ int PS4_SYSV_ABI sceSaveDataUmountSys() {
 int PS4_SYSV_ABI sceSaveDataUmountWithBackup(const OrbisSaveDataMountPoint* mountPoint) {
     LOG_ERROR(Lib_SaveData, "called = {}", std::string(mountPoint->data));
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
-    std::string mount_dir = mnt->GetHostFile(mountPoint->data);
+    const auto mount_dir = mnt->GetHostPath(mountPoint->data);
     if (!std::filesystem::exists(mount_dir)) {
         return ORBIS_SAVE_DATA_ERROR_NOT_FOUND;
-    } else {
-        std::filesystem::path mnt_dir(mount_dir);
-        std::filesystem::create_directories(mnt_dir.parent_path() / "backup");
-
-        for (const auto& entry : std::filesystem::recursive_directory_iterator(mnt_dir)) {
-            const auto& path = entry.path();
-            std::filesystem::path target_path = mnt_dir.parent_path() / "backup";
-
-            if (std::filesystem::is_regular_file(path)) {
-                std::filesystem::copy(path, target_path,
-                                      std::filesystem::copy_options::overwrite_existing);
-            }
-        }
-        mnt->Unmount(mount_dir, mountPoint->data);
     }
+
+    std::filesystem::create_directories(mount_dir.parent_path() / "backup");
+
+    for (const auto& entry : std::filesystem::recursive_directory_iterator(mount_dir)) {
+        const auto& path = entry.path();
+        const auto target_path = mount_dir.parent_path() / "backup";
+        if (std::filesystem::is_regular_file(path)) {
+            std::filesystem::copy(path, target_path,
+                                  std::filesystem::copy_options::overwrite_existing);
+        }
+    }
+
+    mnt->Unmount(mount_dir, mountPoint->data);
     return ORBIS_OK;
 }
 

src/core/tls.cpp

@@ -9,7 +9,8 @@
 #ifdef _WIN32
 #include <windows.h>
 #else
-#include <pthread.h>
+#include <asm/prctl.h>   /* Definition of ARCH_* constants */
+#include <sys/syscall.h> /* Definition of SYS_* constants */
 #endif
 
 namespace Core {
@@ -89,47 +90,28 @@ static void PatchFsAccess(u8* code, const TLSPattern& tls_pattern, Xbyak::CodeGe
 
 #else
 
-static pthread_key_t slot = 0;
+static u32 slot = 0;
 
 void SetTcbBase(void* image_address) {
-    ASSERT(pthread_setspecific(slot, image_address) == 0);
+    asm volatile("wrgsbase %0" ::"r"(image_address) : "memory");
 }
 
 Tcb* GetTcbBase() {
-    return reinterpret_cast<Tcb*>(pthread_getspecific(slot));
+    Tcb* tcb;
+    asm volatile("rdgsbase %0" : "=r"(tcb)::"memory");
+    return tcb;
 }
 
-static void AllocTcbKey() {
+static void AllocTcbKey() {}
-    ASSERT(pthread_key_create(&slot, nullptr) == 0);
-}
 
 static void PatchFsAccess(u8* code, const TLSPattern& tls_pattern, Xbyak::CodeGenerator& c) {
     using namespace Xbyak::util;
     const auto total_size = tls_pattern.pattern_size + tls_pattern.imm_size;
 
-    // Replace mov instruction with near jump to the trampoline.
+    // Replace fs read with gs read.
-    static constexpr u32 NearJmpSize = 5;
     auto patch = Xbyak::CodeGenerator(total_size, code);
-    patch.jmp(c.getCurr(), Xbyak::CodeGenerator::LabelType::T_NEAR);
-    patch.nop(total_size - NearJmpSize);
-
-    // Write the trampoline.
-    // The following logic is based on the glibc implementation of pthread_getspecific
-    // https://github.com/bminor/glibc/blob/29807a27/nptl/pthread_getspecific.c#L23
-    static constexpr u32 PthreadKeySecondLevelSize = 32;
-    static constexpr u32 PthreadSpecificOffset = 0x510;
-    static constexpr u32 PthreadKeyDataSize = 16;
-    ASSERT(slot >= PthreadKeySecondLevelSize);
-
-    const u32 idx1st = slot / PthreadKeySecondLevelSize;
-    const u32 idx2nd = slot % PthreadKeySecondLevelSize;
     const auto target_reg = Xbyak::Reg64(tls_pattern.target_reg);
-    c.mov(target_reg, PthreadSpecificOffset);
+    patch.putSeg(gs);
-    c.putSeg(fs);
-    c.mov(target_reg, qword[target_reg + idx1st * 8]); // Load first level specific array.
-    c.mov(target_reg, qword[target_reg + idx2nd * 16 +
-                            8]); // Load data member of pthread_key_data our slot specifies.
-    c.jmp(code + total_size);    // Return to the instruction right after the mov.
 }
 
 #endif

src/shader_recompiler/frontend/translate/export.cpp

@@ -7,7 +7,7 @@
 namespace Shader::Gcn {
 
 void Translator::EXP(const GcnInst& inst) {
-    if (ir.block->has_multiple_predecessors) {
+    if (ir.block->has_multiple_predecessors && info.stage == Stage::Fragment) {
         LOG_WARNING(Render_Recompiler, "An ambiguous export appeared in translation");
         ir.Discard(ir.LogicalNot(ir.GetExec()));
     }

src/shader_recompiler/ir/passes/ssa_rewrite_pass.cpp

@@ -173,7 +173,7 @@ public:
     }
 
     template <typename Type>
-    IR::Value ReadVariable(Type variable, IR::Block* root_block) {
+    IR::Value ReadVariable(Type variable, IR::Block* root_block, bool is_thread_bit = false) {
         boost::container::small_vector<ReadState<Type>, 64> stack{
             ReadState<Type>(nullptr),
             ReadState<Type>(root_block),
@@ -201,7 +201,7 @@ public:
                 } else if (!block->IsSsaSealed()) {
                     // Incomplete CFG
                     IR::Inst* phi{&*block->PrependNewInst(block->begin(), IR::Opcode::Phi)};
-                    phi->SetFlags(IR::TypeOf(UndefOpcode(variable)));
+                    phi->SetFlags(is_thread_bit ? IR::Type::U1 : IR::TypeOf(UndefOpcode(variable)));
 
                     incomplete_phis[block].insert_or_assign(variable, phi);
                     stack.back().result = IR::Value{&*phi};
@@ -214,7 +214,7 @@ public:
                 } else {
                     // Break potential cycles with operandless phi
                     IR::Inst* const phi{&*block->PrependNewInst(block->begin(), IR::Opcode::Phi)};
-                    phi->SetFlags(IR::TypeOf(UndefOpcode(variable)));
+                    phi->SetFlags(is_thread_bit ? IR::Type::U1 : IR::TypeOf(UndefOpcode(variable)));
 
                     WriteVariable(variable, block, IR::Value{phi});
 
@@ -263,7 +263,9 @@ private:
     template <typename Type>
     IR::Value AddPhiOperands(Type variable, IR::Inst& phi, IR::Block* block) {
         for (IR::Block* const imm_pred : block->ImmPredecessors()) {
-            phi.AddPhiOperand(imm_pred, ReadVariable(variable, imm_pred));
+            const bool is_thread_bit =
+                std::is_same_v<Type, IR::ScalarReg> && phi.Flags<IR::Type>() == IR::Type::U1;
+            phi.AddPhiOperand(imm_pred, ReadVariable(variable, imm_pred, is_thread_bit));
         }
         return TryRemoveTrivialPhi(phi, block, UndefOpcode(variable));
     }
@@ -346,7 +348,8 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
     case IR::Opcode::GetThreadBitScalarReg:
     case IR::Opcode::GetScalarRegister: {
         const IR::ScalarReg reg{inst.Arg(0).ScalarReg()};
-        inst.ReplaceUsesWith(pass.ReadVariable(reg, block));
+        inst.ReplaceUsesWith(
+            pass.ReadVariable(reg, block, opcode == IR::Opcode::GetThreadBitScalarReg));
         break;
     }
     case IR::Opcode::GetVectorRegister: {

src/video_core/amdgpu/liverpool.h

@@ -1033,7 +1033,7 @@ private:
 
     Vulkan::Rasterizer* rasterizer{};
     std::jthread process_thread{};
-    u32 num_submits{};
+    std::atomic<u32> num_submits{};
     std::mutex submit_mutex;
     std::condition_variable_any submit_cv;
 };