Add ElfInfo to track current game info in a singleton

CMakeLists.txt

@@ -360,6 +360,7 @@ set(COMMON src/common/logging/backend.cpp
            src/common/debug.h
            src/common/disassembler.cpp
            src/common/disassembler.h
+           src/common/elf_info.h
            src/common/endian.h
            src/common/enum.h
            src/common/io_file.cpp

src/common/elf_info.h

@@ -0,0 +1,72 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <string>
+#include <string_view>
+
+#include "assert.h"
+#include "singleton.h"
+#include "types.h"
+
+namespace Core {
+class Emulator;
+}
+
+namespace Common {
+
+class ElfInfo {
+    friend class Core::Emulator;
+
+    bool initialized = false;
+
+    std::string game_serial{};
+    std::string title{};
+    std::string app_ver{};
+    u32 firmware_ver = 0;
+    u32 raw_firmware_ver = 0;
+
+public:
+    static constexpr u32 FW_15 = 0x1500000;
+    static constexpr u32 FW_16 = 0x1600000;
+    static constexpr u32 FW_17 = 0x1700000;
+    static constexpr u32 FW_20 = 0x2000000;
+    static constexpr u32 FW_25 = 0x2500000;
+    static constexpr u32 FW_30 = 0x3000000;
+    static constexpr u32 FW_40 = 0x4000000;
+    static constexpr u32 FW_45 = 0x4500000;
+    static constexpr u32 FW_50 = 0x5000000;
+    static constexpr u32 FW_80 = 0x8000000;
+
+    static ElfInfo& Instance() {
+        return *Singleton<ElfInfo>::Instance();
+    }
+
+    [[nodiscard]] std::string_view GameSerial() const {
+        ASSERT(initialized);
+        return Instance().game_serial;
+    }
+
+    [[nodiscard]] std::string_view Title() const {
+        ASSERT(initialized);
+        return title;
+    }
+
+    [[nodiscard]] std::string_view AppVer() const {
+        ASSERT(initialized);
+        return app_ver;
+    }
+
+    [[nodiscard]] u32 FirmwareVer() const {
+        ASSERT(initialized);
+        return firmware_ver;
+    }
+
+    [[nodiscard]] u32 RawFirmwareVer() const {
+        ASSERT(initialized);
+        return raw_firmware_ver;
+    }
+};
+
+} // namespace Common

src/core/libraries/kernel/libkernel.cpp

@@ -8,6 +8,7 @@
 
 #include "common/assert.h"
 #include "common/debug.h"
+#include "common/elf_info.h"
 #include "common/logging/log.h"
 #include "common/polyfill_thread.h"
 #include "common/singleton.h"
@@ -243,8 +244,7 @@ int PS4_SYSV_ABI sceKernelConvertUtcToLocaltime(time_t time, time_t* local_time,
 }
 
 int PS4_SYSV_ABI sceKernelGetCompiledSdkVersion(int* ver) {
-    auto* param_sfo = Common::Singleton<PSF>::Instance();
-    int version = param_sfo->GetInteger("SYSTEM_VER").value_or(0x4700000);
+    int version = Common::ElfInfo::Instance().RawFirmwareVer();
     LOG_INFO(Kernel, "returned system version = {:#x}", version);
     *ver = version;
     return (version > 0) ? ORBIS_OK : ORBIS_KERNEL_ERROR_EINVAL;

src/core/libraries/save_data/dialog/savedatadialog_ui.cpp

@@ -5,6 +5,7 @@
 #include <imgui.h>
 #include <magic_enum.hpp>
 
+#include "common/elf_info.h"
 #include "common/singleton.h"
 #include "common/string_util.h"
 #include "core/file_sys/fs.h"
@@ -66,9 +67,7 @@ SaveDialogState::SaveDialogState(const OrbisSaveDataDialogParam& param) {
         this->enable_back = {param.optionParam->back == OptionBack::ENABLE};
     }
 
-    const auto content_id = Common::Singleton<PSF>::Instance()->GetString("CONTENT_ID");
-    ASSERT_MSG(content_id.has_value(), "Failed to get CONTENT_ID");
-    static std::string game_serial{*content_id, 7, 9};
+    const auto& game_serial = Common::ElfInfo::Instance().GameSerial();
 
     const auto item = param.items;
     this->user_id = item->userId;

src/core/libraries/save_data/savedata.cpp

@@ -9,10 +9,10 @@
 
 #include "common/assert.h"
 #include "common/cstring.h"
+#include "common/elf_info.h"
 #include "common/enum.h"
 #include "common/logging/log.h"
 #include "common/path_util.h"
-#include "common/singleton.h"
 #include "common/string_util.h"
 #include "core/file_format/psf.h"
 #include "core/file_sys/fs.h"
@@ -307,10 +307,7 @@ static std::array<std::optional<SaveInstance>, 16> g_mount_slots;
 
 static void initialize() {
     g_initialized = true;
-    static auto* param_sfo = Common::Singleton<PSF>::Instance();
-    const auto content_id = param_sfo->GetString("CONTENT_ID");
-    ASSERT_MSG(content_id.has_value(), "Failed to get CONTENT_ID");
-    g_game_serial = std::string(*content_id, 7, 9);
+    g_game_serial = Common::ElfInfo::Instance().GameSerial();
 }
 
 // game_00other | game*other

src/emulator.cpp

@@ -11,6 +11,7 @@
 #include "common/memory_patcher.h"
 #endif
 #include "common/assert.h"
+#include "common/elf_info.h"
 #include "common/ntapi.h"
 #include "common/path_util.h"
 #include "common/polyfill_thread.h"
@@ -91,10 +92,14 @@ void Emulator::Run(const std::filesystem::path& file) {
     // Certain games may use /hostapp as well such as CUSA001100
     mnt->Mount(file.parent_path(), "/hostapp");
 
+    auto& game_info = Common::ElfInfo::Instance();
+
     // Loading param.sfo file if exists
     std::string id;
     std::string title;
     std::string app_version;
+    u32 fw_version;
+
     std::filesystem::path sce_sys_folder = file.parent_path() / "sce_sys";
     if (std::filesystem::is_directory(sce_sys_folder)) {
         for (const auto& entry : std::filesystem::directory_iterator(sce_sys_folder)) {
@@ -119,7 +124,7 @@ void Emulator::Run(const std::filesystem::path& file) {
 #endif
                 title = param_sfo->GetString("TITLE").value_or("Unknown title");
                 LOG_INFO(Loader, "Game id: {} Title: {}", id, title);
-                u32 fw_version = param_sfo->GetInteger("SYSTEM_VER").value_or(0x4700000);
+                fw_version = param_sfo->GetInteger("SYSTEM_VER").value_or(0x4700000);
                 app_version = param_sfo->GetString("APP_VER").value_or("Unknown version");
                 LOG_INFO(Loader, "Fw: {:#x} App Version: {}", fw_version, app_version);
             } else if (entry.path().filename() == "playgo-chunk.dat") {
@@ -141,6 +146,13 @@ void Emulator::Run(const std::filesystem::path& file) {
         }
     }
 
+    game_info.initialized = true;
+    game_info.game_serial = id;
+    game_info.title = title;
+    game_info.app_ver = app_version;
+    game_info.firmware_ver = fw_version & 0xFFF00000;
+    game_info.raw_firmware_ver = fw_version;
+
     std::string game_title = fmt::format("{} - {} <{}>", id, title, app_version);
     std::string window_title = "";
     if (Common::isRelease) {