Merge pull request #125 from shadps4-emu/savedata

Savedata + filesystem implementations

CMakeLists.txt

@@ -141,10 +141,11 @@ set(SYSTEM_LIBS src/core/libraries/system/commondialog.cpp
                 src/core/libraries/system/msgdialog.h
                 src/core/libraries/system/posix.cpp
                 src/core/libraries/system/posix.h
-                src/core/libraries/system/savedata.cpp
+                src/core/libraries/save_data/error_codes.h
+                src/core/libraries/save_data/savedata.cpp
+                src/core/libraries/save_data/savedata.h
                 src/core/libraries/system/savedatadialog.cpp
                 src/core/libraries/system/savedatadialog.h
-                src/core/libraries/system/savedata.h
                 src/core/libraries/system/sysmodule.cpp
                 src/core/libraries/system/sysmodule.h
                 src/core/libraries/system/systemservice.cpp

src/common/path_util.cpp

@@ -35,6 +35,7 @@ static auto UserPaths = [] {
     create_path(PathType::LogDir, user_dir / LOG_DIR);
     create_path(PathType::ScreenshotsDir, user_dir / SCREENSHOTS_DIR);
     create_path(PathType::ShaderDir, user_dir / SHADER_DIR);
+    create_path(PathType::SaveDataDir, user_dir / SAVEDATA_DIR);
 
     return paths;
 }();

src/common/path_util.h

@@ -13,7 +13,7 @@ enum class PathType {
     LogDir,         // Where log files are stored.
     ScreenshotsDir, // Where screenshots are stored.
     ShaderDir,      // Where shaders are stored.
-    App0,           // Where guest application data is stored.
+    SaveDataDir,    // Where guest save data is stored.
 };
 
 constexpr auto PORTABLE_DIR = "user";
@@ -22,7 +22,7 @@ constexpr auto PORTABLE_DIR = "user";
 constexpr auto LOG_DIR = "log";
 constexpr auto SCREENSHOTS_DIR = "screenshots";
 constexpr auto SHADER_DIR = "shader";
-constexpr auto APP0_DIR = "app0";
+constexpr auto SAVEDATA_DIR = "savedata";
 
 // Filenames
 constexpr auto LOG_FILE = "shad_log.txt";

src/core/libraries/kernel/file_system.cpp

@@ -12,25 +12,47 @@
 namespace Libraries::Kernel {
 
 int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, u16 mode) {
-    LOG_INFO(Kernel_Fs, "path = {} flags = {:#x} mode = {:#x}", path, flags, mode);
-    ASSERT_MSG(flags == 0, "flags!=0 not supported yet");
-    ASSERT_MSG(mode == 0, "mode!=0 not supported yet");
+    LOG_INFO(Kernel_Fs, "path = {} flags = {:#x} mode = {}", path, flags, mode);
     auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
 
-    // only open files support!
-    u32 handle = h->CreateHandle();
-    auto* file = h->GetFile(handle);
-    file->m_guest_name = path;
-    file->m_host_name = mnt->GetHostFile(file->m_guest_name);
+    bool read = (flags & 0x3) == ORBIS_KERNEL_O_RDONLY;
+    bool write = (flags & 0x3) == ORBIS_KERNEL_O_WRONLY;
+    bool rdwr = (flags & 0x3) == ORBIS_KERNEL_O_RDWR;
 
-    file->f.Open(file->m_host_name, Common::FS::FileAccessMode::Read);
-    if (!file->f.IsOpen()) {
-        h->DeleteHandle(handle);
-        return SCE_KERNEL_ERROR_EACCES;
+    bool nonblock = (flags & ORBIS_KERNEL_O_NONBLOCK) != 0;
+    bool append = (flags & ORBIS_KERNEL_O_APPEND) != 0;
+    bool fsync = (flags & ORBIS_KERNEL_O_FSYNC) != 0;
+    bool sync = (flags & ORBIS_KERNEL_O_SYNC) != 0;
+    bool create = (flags & ORBIS_KERNEL_O_CREAT) != 0;
+    bool truncate = (flags & ORBIS_KERNEL_O_TRUNC) != 0;
+    bool excl = (flags & ORBIS_KERNEL_O_EXCL) != 0;
+    bool dsync = (flags & ORBIS_KERNEL_O_DSYNC) != 0;
+    bool direct = (flags & ORBIS_KERNEL_O_DIRECT) != 0;
+    bool directory = (flags & ORBIS_KERNEL_O_DIRECTORY) != 0;
+
+    if (directory) {
+        UNREACHABLE(); // not supported yet
+    } else {
+        u32 handle = h->CreateHandle();
+        auto* file = h->GetFile(handle);
+        file->m_guest_name = path;
+        file->m_host_name = mnt->GetHostFile(file->m_guest_name);
+        if (read) {
+            file->f.Open(file->m_host_name, Common::FS::FileAccessMode::Read);
+        } else if (write && create && truncate) {
+            file->f.Open(file->m_host_name, Common::FS::FileAccessMode::Write);
+        } else {
+            UNREACHABLE();
+        }
+        if (!file->f.IsOpen()) {
+            h->DeleteHandle(handle);
+            return SCE_KERNEL_ERROR_EACCES;
+        }
+        file->is_opened = true;
+        return handle;
     }
-    file->is_opened = true;
-    return handle;
+    return -1; // dummy
 }
 
 int PS4_SYSV_ABI posix_open(const char* path, int flags, /* SceKernelMode*/ u16 mode) {
@@ -56,6 +78,20 @@ int PS4_SYSV_ABI sceKernelClose(int d) {
     return SCE_OK;
 }
 
+size_t PS4_SYSV_ABI sceKernelWrite(int d, void* buf, size_t nbytes) {
+    if (buf == nullptr) {
+        return SCE_KERNEL_ERROR_EFAULT;
+    }
+    auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
+    auto* file = h->GetFile(d);
+    if (file == nullptr) {
+        return SCE_KERNEL_ERROR_EBADF;
+    }
+    file->m_mutex.lock();
+    u32 bytes_write = file->f.WriteRaw<u8>(buf, static_cast<u32>(nbytes));
+    file->m_mutex.unlock();
+    return bytes_write;
+}
 size_t PS4_SYSV_ABI _readv(int d, const SceKernelIovec* iov, int iovcnt) {
     auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
     auto* file = h->GetFile(d);
@@ -73,18 +109,19 @@ s64 PS4_SYSV_ABI sceKernelLseek(int d, s64 offset, int whence) {
     auto* file = h->GetFile(d);
 
     file->m_mutex.lock();
+    Common::FS::SeekOrigin origin;
+    if (whence == 0) {
+        origin = Common::FS::SeekOrigin::SetOrigin;
+    }
 
     if (whence == 1) {
-        offset = static_cast<int64_t>(file->f.Tell()) + offset;
-        whence = 0;
+        origin = Common::FS::SeekOrigin::CurrentPosition;
     }
-
     if (whence == 2) {
-        offset = static_cast<int64_t>(file->f.GetSize()) + offset;
-        whence = 0;
+        origin = Common::FS::SeekOrigin::End;
     }
 
-    file->f.Seek(offset);
+    file->f.Seek(offset, origin);
     auto pos = static_cast<int64_t>(file->f.Tell());
 
     file->m_mutex.unlock();
@@ -111,15 +148,74 @@ s64 PS4_SYSV_ABI sceKernelRead(int d, void* buf, size_t nbytes) {
     return bytes_read;
 }
 
+int PS4_SYSV_ABI sceKernelMkdir(const char* path, u16 mode) {
+    LOG_INFO(Kernel_Fs, "path = {} mode = {}", path, mode);
+    if (path == nullptr) {
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
+    auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
+    std::string dir_name = mnt->GetHostFile(path);
+    if (std::filesystem::exists(dir_name)) {
+        return SCE_KERNEL_ERROR_EEXIST;
+    }
+
+    if (!std::filesystem::create_directory(dir_name)) {
+        return SCE_KERNEL_ERROR_EIO;
+    }
+
+    if (!std::filesystem::exists(dir_name)) {
+        return SCE_KERNEL_ERROR_ENOENT;
+    }
+    return ORBIS_OK;
+}
+
+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();
+    std::string path_name = mnt->GetHostFile(path);
+    memset(sb, 0, sizeof(OrbisKernelStat));
+    bool is_dir = std::filesystem::is_directory(path_name);
+    bool is_file = std::filesystem::is_regular_file(path_name);
+    if (!is_dir && !is_file) {
+        return ORBIS_KERNEL_ERROR_ENOENT;
+    }
+    if (std::filesystem::is_directory(path_name)) {
+        sb->st_mode = 0000777u | 0040000u;
+        sb->st_size = 0;
+        sb->st_blksize = 512;
+        sb->st_blocks = 0;
+        // TODO incomplete
+    } else {
+        sb->st_mode = 0000777u | 0100000u;
+        sb->st_size = static_cast<int64_t>(std::filesystem::file_size(path_name));
+        sb->st_blksize = 512;
+        sb->st_blocks = (sb->st_size + 511) / 512;
+        // TODO incomplete
+    }
+    return ORBIS_OK;
+}
+
+int PS4_SYSV_ABI posix_stat(const char* path, OrbisKernelStat* sb) {
+    int result = sceKernelStat(path, sb);
+    if (result < 0) {
+        UNREACHABLE(); // TODO
+    }
+    return ORBIS_OK;
+}
+
 void fileSystemSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("1G3lF1Gg1k8", "libkernel", 1, "libkernel", 1, 1, sceKernelOpen);
     LIB_FUNCTION("wuCroIGjt2g", "libScePosix", 1, "libkernel", 1, 1, posix_open);
     LIB_FUNCTION("UK2Tl2DWUns", "libkernel", 1, "libkernel", 1, 1, sceKernelClose);
+    LIB_FUNCTION("4wSze92BhLI", "libkernel", 1, "libkernel", 1, 1, sceKernelWrite);
 
     LIB_FUNCTION("+WRlkKjZvag", "libkernel", 1, "libkernel", 1, 1, _readv);
     LIB_FUNCTION("Oy6IpwgtYOk", "libkernel", 1, "libkernel", 1, 1, lseek);
     LIB_FUNCTION("oib76F-12fk", "libkernel", 1, "libkernel", 1, 1, sceKernelLseek);
     LIB_FUNCTION("Cg4srZ6TKbU", "libkernel", 1, "libkernel", 1, 1, sceKernelRead);
+    LIB_FUNCTION("1-LFLmRFxxM", "libkernel", 1, "libkernel", 1, 1, sceKernelMkdir);
+    LIB_FUNCTION("eV9wAD2riIA", "libkernel", 1, "libkernel", 1, 1, sceKernelStat);
+    LIB_FUNCTION("E6ao34wPw+U", "libScePosix", 1, "libkernel", 1, 1, posix_stat);
 
     // openOrbis (to check if it is valid out of OpenOrbis
     LIB_FUNCTION("6c3rCVE-fTU", "libkernel", 1, "libkernel", 1, 1,

src/core/libraries/kernel/file_system.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "common/types.h"
+#include "thread_management.h"
 
 namespace Core::Loader {
 class SymbolsResolver;
@@ -16,6 +17,44 @@ struct SceKernelIovec {
     std::size_t iov_len;
 };
 
+struct OrbisKernelStat {
+    u32 st_dev;
+    u32 st_ino;
+    u16 st_mode;
+    u16 st_nlink;
+    u32 st_uid;
+    u32 st_gid;
+    u32 st_rdev;
+    SceKernelTimespec st_atim;
+    SceKernelTimespec st_mtim;
+    SceKernelTimespec st_ctim;
+    s64 st_size;
+    s64 st_blocks;
+    u32 st_blksize;
+    u32 st_flags;
+    u32 st_gen;
+    s32 st_lspare;
+    SceKernelTimespec st_birthtim;
+    unsigned int : (8 / 2) * (16 - static_cast<int>(sizeof(SceKernelTimespec)));
+    unsigned int : (8 / 2) * (16 - static_cast<int>(sizeof(SceKernelTimespec)));
+};
+
+// flags for Open
+constexpr int ORBIS_KERNEL_O_RDONLY = 0x0000;
+constexpr int ORBIS_KERNEL_O_WRONLY = 0x0001;
+constexpr int ORBIS_KERNEL_O_RDWR = 0x0002;
+
+constexpr int ORBIS_KERNEL_O_NONBLOCK = 0x0004;
+constexpr int ORBIS_KERNEL_O_APPEND = 0x0008;
+constexpr int ORBIS_KERNEL_O_FSYNC = 0x0080;
+constexpr int ORBIS_KERNEL_O_SYNC = 0x0080;
+constexpr int ORBIS_KERNEL_O_CREAT = 0x0200;
+constexpr int ORBIS_KERNEL_O_TRUNC = 0x0400;
+constexpr int ORBIS_KERNEL_O_EXCL = 0x0800;
+constexpr int ORBIS_KERNEL_O_DSYNC = 0x1000;
+constexpr int ORBIS_KERNEL_O_DIRECT = 0x00010000;
+constexpr int ORBIS_KERNEL_O_DIRECTORY = 0x00020000;
+
 int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, /* SceKernelMode*/ u16 mode);
 
 int PS4_SYSV_ABI posix_open(const char* path, int flags, /* SceKernelMode*/ u16 mode);

src/core/libraries/kernel/libkernel.cpp

@@ -43,7 +43,8 @@ static PS4_SYSV_ABI void stack_chk_fail() {
 }
 
 int PS4_SYSV_ABI sceKernelMunmap(void* addr, size_t len) {
-    UNREACHABLE();
+    LOG_ERROR(Kernel_Vmm, "(DUMMY) called");
+    return SCE_OK;
 }
 
 void PS4_SYSV_ABI sceKernelUsleep(unsigned int microseconds) {

src/core/libraries/kernel/time_management.cpp

@@ -10,6 +10,10 @@ namespace Libraries::Kernel {
 static u64 initial_ptc;
 static std::unique_ptr<Common::NativeClock> clock;
 
+u64 PS4_SYSV_ABI sceKernelGetTscFrequency() {
+    return clock->GetTscFrequency();
+}
+
 u64 PS4_SYSV_ABI sceKernelGetProcessTime() {
     return clock->GetProcessTimeUS();
 }
@@ -34,6 +38,7 @@ void timeSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("BNowx2l588E", "libkernel", 1, "libkernel", 1, 1,
                  sceKernelGetProcessTimeCounterFrequency);
     LIB_FUNCTION("-2IRUCO--PM", "libkernel", 1, "libkernel", 1, 1, sceKernelReadTsc);
+    LIB_FUNCTION("1j3S3n-tTW4", "libkernel", 1, "libkernel", 1, 1, sceKernelGetTscFrequency);
 }
 
 } // namespace Libraries::Kernel

src/core/libraries/kernel/time_management.h

@@ -11,6 +11,7 @@ class SymbolsResolver;
 
 namespace Libraries::Kernel {
 
+u64 PS4_SYSV_ABI sceKernelGetTscFrequency();
 u64 PS4_SYSV_ABI sceKernelGetProcessTime();
 u64 PS4_SYSV_ABI sceKernelGetProcessTimeCounter();
 u64 PS4_SYSV_ABI sceKernelGetProcessTimeCounterFrequency();

src/core/libraries/libc/libc.cpp

@@ -444,6 +444,8 @@ void libcSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("cCXjU72Z0Ow", "libc", 1, "libc", 1, 1, ps4__Sin);
     LIB_FUNCTION("ZtjspkJQ+vw", "libc", 1, "libc", 1, 1, ps4__Fsin);
     LIB_FUNCTION("dnaeGXbjP6E", "libc", 1, "libc", 1, 1, ps4_exp2);
+    LIB_FUNCTION("1D0H2KNjshE", "libc", 1, "libc", 1, 1, ps4_powf);
+    LIB_FUNCTION("DDHG1a6+3q0", "libc", 1, "libc", 1, 1, ps4_roundf);
 
     // string functions
     LIB_FUNCTION("Ovb2dSJOAuE", "libc", 1, "libc", 1, 1, ps4_strcmp);
@@ -470,6 +472,7 @@ void libcSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("rQFVBXp-Cxg", "libc", 1, "libc", 1, 1, ps4_fseek);
     LIB_FUNCTION("SHlt7EhOtqA", "libc", 1, "libc", 1, 1, ps4_fgetpos);
     LIB_FUNCTION("lbB+UlZqVG0", "libc", 1, "libc", 1, 1, ps4_fread);
+    LIB_FUNCTION("Qazy8LmXTvw", "libc", 1, "libc", 1, 1, ps4_ftell);
 
     // misc
     LIB_OBJ("P330P3dFF68", "libc", 1, "libc", 1, 1, &g_need_sceLibc);

src/core/libraries/libc/libc_math.cpp

@@ -26,6 +26,14 @@ double PS4_SYSV_ABI ps4_pow(double base, double exponent) {
     return pow(base, exponent);
 }
 
+float PS4_SYSV_ABI ps4_powf(float x, float y) {
+    return powf(x, y);
+}
+
+float PS4_SYSV_ABI ps4_roundf(float arg) {
+    return roundf(arg);
+}
+
 double PS4_SYSV_ABI ps4__Sin(double x) {
     return sin(x);
 }

src/core/libraries/libc/libc_math.h

@@ -15,5 +15,7 @@ double PS4_SYSV_ABI ps4_pow(double base, double exponent);
 double PS4_SYSV_ABI ps4__Sin(double x);
 float PS4_SYSV_ABI ps4__Fsin(float arg);
 double PS4_SYSV_ABI ps4_exp2(double arg);
+float PS4_SYSV_ABI ps4_powf(float x, float y);
+float PS4_SYSV_ABI ps4_roundf(float arg);
 
 } // namespace Libraries::LibC

src/core/libraries/libc/libc_stdio.cpp

@@ -70,4 +70,8 @@ int PS4_SYSV_ABI ps4_puts(const char* s) {
     return std::puts(s);
 }
 
+long PS4_SYSV_ABI ps4_ftell(FILE* stream) {
+    return ftell(stream);
+}
+
 } // namespace Libraries::LibC

src/core/libraries/libc/libc_stdio.h

@@ -18,5 +18,6 @@ int PS4_SYSV_ABI ps4_fclose(FILE* stream);
 int PS4_SYSV_ABI ps4_fseek(FILE* stream, long offset, int whence);
 int PS4_SYSV_ABI ps4_fgetpos(FILE* stream, fpos_t* pos);
 std::size_t PS4_SYSV_ABI ps4_fread(void* ptr, size_t size, size_t nmemb, FILE* stream);
+long PS4_SYSV_ABI ps4_ftell(FILE* stream);
 
 } // namespace Libraries::LibC

src/core/libraries/libs.cpp

@@ -16,11 +16,11 @@
 #include "core/libraries/np_score/np_score.h"
 #include "core/libraries/np_trophy/np_trophy.h"
 #include "core/libraries/pad/pad.h"
+#include "core/libraries/save_data/savedata.h"
 #include "core/libraries/screenshot/screenshot.h"
 #include "core/libraries/system/commondialog.h"
 #include "core/libraries/system/msgdialog.h"
 #include "core/libraries/system/posix.h"
-#include "core/libraries/system/savedata.h"
 #include "core/libraries/system/savedatadialog.h"
 #include "core/libraries/system/sysmodule.h"
 #include "core/libraries/system/systemservice.h"

src/core/libraries/save_data/error_codes.h

@@ -0,0 +1,8 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+constexpr int ORBIS_SAVE_DATA_ERROR_PARAMETER = 0x809f0000;
+constexpr int ORBIS_SAVE_DATA_ERROR_NOT_FOUND = 0x809f0008; // save data doesn't exist
+constexpr int ORBIS_SAVE_DATA_ERROR_EXISTS = 0x809f0007;    // save data directory,same name exists

src/core/libraries/save_data/savedata.cpp

@@ -1,14 +1,21 @@
 // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <common/path_util.h>
+#include <common/singleton.h>
+#include <core/file_format/psf.h>
+#include <core/file_sys/fs.h>
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/libraries/error_codes.h"
 #include "core/libraries/libs.h"
-#include "core/libraries/system/savedata.h"
+#include "core/libraries/save_data/savedata.h"
+#include "error_codes.h"
 
 namespace Libraries::SaveData {
 
+static std::string g_mount_point = "/savedata0"; // temp mount point (todo)
+
 int PS4_SYSV_ABI sceSaveDataAbort() {
     LOG_ERROR(Lib_SaveData, "(STUBBED) called");
     return ORBIS_OK;
@@ -331,13 +338,46 @@ int PS4_SYSV_ABI sceSaveDataMount() {
 
 s32 PS4_SYSV_ABI sceSaveDataMount2(const OrbisSaveDataMount2* mount,
                                    OrbisSaveDataMountResult* mount_result) {
-    // will return save data not found , breakpoint for others
-    LOG_ERROR(Lib_SaveData, "(DUMMY) called user_id = {} dir_name = {} blocks = {} mount_mode = {}",
-              mount->user_id, mount->dir_name->data, mount->blocks, mount->mount_mode);
-    if (mount->mount_mode == 1) { // open
-        return 0x809F0008;        // save data not found
+    LOG_INFO(Lib_SaveData, "called user_id = {} dir_name = {} blocks = {} mount_mode = {}",
+             mount->user_id, mount->dir_name->data, mount->blocks, mount->mount_mode);
+
+    auto* param_sfo = Common::Singleton<PSF>::Instance();
+    std::string id(param_sfo->GetString("CONTENT_ID"), 7, 9);
+    const auto& mount_dir = Common::FS::GetUserPath(Common::FS::PathType::SaveDataDir) /
+                            std::to_string(mount->user_id) / "savedata" / id /
+                            std::string(mount->dir_name->data);
+    switch (mount->mount_mode) {
+    case ORBIS_SAVE_DATA_MOUNT_MODE_RDONLY:
+    case ORBIS_SAVE_DATA_MOUNT_MODE_RDWR: {
+        if (!std::filesystem::exists(mount_dir)) {
+            return ORBIS_SAVE_DATA_ERROR_NOT_FOUND;
+        }
+        auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
+        mnt->Mount(mount_dir, g_mount_point);
+
+        mount_result->mount_status = 0;
+        strncpy(mount_result->mount_point.data, g_mount_point.c_str(), 16);
+    } break;
+    case ORBIS_SAVE_DATA_MOUNT_MODE_CREATE | ORBIS_SAVE_DATA_MOUNT_MODE_RDWR:
+    case ORBIS_SAVE_DATA_MOUNT_MODE_CREATE | ORBIS_SAVE_DATA_MOUNT_MODE_RDWR |
+        ORBIS_SAVE_DATA_MOUNT_MODE_COPY_ICON: {
+        if (std::filesystem::exists(mount_dir)) {
+            return ORBIS_SAVE_DATA_ERROR_EXISTS;
+        }
+        std::filesystem::create_directories(mount_dir);
+
+        auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
+        mnt->Mount(mount_dir, g_mount_point);
+
+        mount_result->mount_status = 1;
+        strncpy(mount_result->mount_point.data, g_mount_point.c_str(), 16);
+    } break;
+    default:
+        UNREACHABLE();
     }
-    UNREACHABLE();
+    mount_result->required_blocks = 0;
+
+    return ORBIS_OK;
 }
 
 int PS4_SYSV_ABI sceSaveDataMount5() {
@@ -460,8 +500,13 @@ int PS4_SYSV_ABI sceSaveDataTransferringMount() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceSaveDataUmount() {
-    LOG_ERROR(Lib_SaveData, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceSaveDataUmount(const OrbisSaveDataMountPoint* mountPoint) {
+    LOG_INFO(Lib_SaveData, "mountPoint = {}", std::string(mountPoint->data));
+    if (std::string(mountPoint->data).empty()) {
+        return ORBIS_SAVE_DATA_ERROR_PARAMETER;
+    }
+    auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
+    mnt->Unmount(std::string(mountPoint->data));
     return ORBIS_OK;
 }
 

src/core/libraries/save_data/savedata.h

@@ -42,6 +42,14 @@ struct OrbisSaveDataMountResult {
     s32 unk1;
 };
 
+// savedataMount2 mountModes (ORed values)
+constexpr int ORBIS_SAVE_DATA_MOUNT_MODE_RDONLY = 1;
+constexpr int ORBIS_SAVE_DATA_MOUNT_MODE_RDWR = 2;
+constexpr int ORBIS_SAVE_DATA_MOUNT_MODE_CREATE = 4;
+constexpr int ORBIS_SAVE_DATA_MOUNT_MODE_DESTRUCT_OFF = 8;
+constexpr int ORBIS_SAVE_DATA_MOUNT_MODE_COPY_ICON = 16;
+constexpr int ORBIS_SAVE_DATA_MOUNT_MODE_CREATE2 = 32;
+
 int PS4_SYSV_ABI sceSaveDataAbort();
 int PS4_SYSV_ABI sceSaveDataBackup();
 int PS4_SYSV_ABI sceSaveDataBindPsnAccount();
@@ -132,7 +140,7 @@ int PS4_SYSV_ABI sceSaveDataSyncCloudList();
 int PS4_SYSV_ABI sceSaveDataSyncSaveDataMemory();
 int PS4_SYSV_ABI sceSaveDataTerminate();
 int PS4_SYSV_ABI sceSaveDataTransferringMount();
-int PS4_SYSV_ABI sceSaveDataUmount();
+int PS4_SYSV_ABI sceSaveDataUmount(const OrbisSaveDataMountPoint* mountPoint);
 int PS4_SYSV_ABI sceSaveDataUmountSys();
 int PS4_SYSV_ABI sceSaveDataUmountWithBackup();
 int PS4_SYSV_ABI sceSaveDataUnregisterEventCallback();

src/core/libraries/system/msgdialog.h

@@ -14,6 +14,13 @@ namespace Libraries::MsgDialog {
 
 using OrbisUserServiceUserId = s32;
 
+enum OrbisCommonDialogStatus {
+    ORBIS_COMMON_DIALOG_STATUS_NONE = 0,
+    ORBIS_COMMON_DIALOG_STATUS_INITIALIZED = 1,
+    ORBIS_COMMON_DIALOG_STATUS_RUNNING = 2,
+    ORBIS_COMMON_DIALOG_STATUS_FINISHED = 3
+};
+
 enum OrbisMsgDialogMode {
     ORBIS_MSG_DIALOG_MODE_USER_MSG = 1,
     ORBIS_MSG_DIALOG_MODE_PROGRESS_BAR = 2,