added configuration class

.gitmodules

@@ -29,3 +29,7 @@
 [submodule "third-party/discord-rpc"]
 	path = third-party/discord-rpc
 	url = https://github.com/discord/discord-rpc
+[submodule "third-party/toml11"]
+	path = third-party/toml11
+	url = https://github.com/ToruNiina/toml11
+	branch = master

CMakeLists.txt

@@ -32,6 +32,8 @@ add_executable(shadps4
     src/GUI/ElfViewer.h 
     src/Util/log.h
     src/Util/log.cpp
+    src/Util/config.cpp
+    src/Util/config.h
     src/Core/virtual_memory.cpp
     src/Core/virtual_memory.h
     src/Core/PS4/Linker.cpp

src/Core/PS4/HLE/LibKernel.cpp

@@ -6,6 +6,7 @@
 #include "Kernel/memory_management.h"
 #include "../../../Util/Singleton.h"
 #include "Kernel/Objects/physical_memory.h"
+#include "Util/config.h"
 
 namespace HLE::Libs::LibKernel {
 
@@ -29,9 +30,9 @@ namespace HLE::Libs::LibKernel {
     }
     int PS4_SYSV_ABI sceKernelIsNeoMode()
     { 
-        //BREAKPOINT();
-        PRINT_DUMMY_FUNCTION_NAME();
-        return 0; //it isn't PS4VR TODO
+        PRINT_FUNCTION_NAME();
+        bool isNeo = Config::isNeoMode();
+        return isNeo ? 1 : 0;
     }
 
     static PS4_SYSV_ABI void stack_chk_fail() { BREAKPOINT();

src/Util/config.cpp

@@ -0,0 +1,62 @@
+#include "config.h"
+
+#include <fstream>
+#include <string>
+#include <toml11/toml.hpp>
+
+namespace Config {
+
+bool isNeo = false;
+
+bool isNeoMode() { return isNeo; }
+void load(const std::filesystem::path& path) {
+    // If the configuration file does not exist, create it and return
+    std::error_code error;
+    if (!std::filesystem::exists(path, error)) {
+        save(path);
+        return;
+    }
+
+    toml::value data;
+
+    try {
+        data = toml::parse(path);
+    } catch (std::exception& ex) {
+        printf("Got exception trying to load config file. Exception: %s\n", ex.what());
+        return;
+    }
+
+    if (data.contains("General")) {
+        auto generalResult = toml::expect<toml::value>(data.at("General"));
+        if (generalResult.is_ok()) {
+            auto general = generalResult.unwrap();
+
+            isNeo = toml::find_or<toml::boolean>(general, "isPS4Pro", false);
+        }
+    }
+}
+void save(const std::filesystem::path& path) {
+    toml::basic_value<toml::preserve_comments> data;
+
+    std::error_code error;
+    if (std::filesystem::exists(path, error)) {
+        try {
+            data = toml::parse<toml::preserve_comments>(path);
+        } catch (const std::exception& ex) {
+            printf("Exception trying to parse config file. Exception: %s\n", ex.what());
+            return;
+        }
+    } else {
+        if (error) {
+            printf("Filesystem error accessing %s (error: %s)\n", path.string().c_str(), error.message().c_str());
+        }
+        printf("Saving new configuration file %s\n", path.string().c_str());
+    }
+
+    data["General"]["isPS4Pro"] = isNeo;
+
+    std::ofstream file(path, std::ios::out);
+    file << data;
+    file.close();
+}
+}  // namespace Config

src/Util/config.h

@@ -0,0 +1,9 @@
+#pragma once
+#include <filesystem>
+
+namespace Config {
+void load(const std::filesystem::path& path);
+void save(const std::filesystem::path& path);
+
+bool isNeoMode();
+};  // namespace Config

src/main.cpp

@@ -32,7 +32,7 @@
 #include "Lib/Threads.h"
 #include <emulator.h>
 #include "discord.h"
-
+#include <Util/config.h>
 // Main code
 int main(int argc, char* argv[])
 {
@@ -40,7 +40,7 @@ int main(int argc, char* argv[])
         printf("Usage: %s <elf or eboot.bin path>\n", argv[0]);
         return -1;
     }
-
+    Config::load("config.toml");
     logging::init(true);  // init logging
     Emulator::emuInit();
     Lib::InitThreads();
@@ -49,7 +49,6 @@ int main(int argc, char* argv[])
     auto* linker = Singleton<Linker>::Instance();
     HLE::Libs::Init_HLE_Libs(linker->getHLESymbols());
     auto *module =linker->LoadModule(path);//load main executable
-    
     Lib::Thread mainthread(
         [](void*) {
             auto* linker = Singleton<Linker>::Instance();

third-party/CMakeLists.txt

@@ -31,6 +31,8 @@ add_subdirectory(${zydis_DIR})
 add_subdirectory(winpthread)
 #=================== discord-rpc ===================
 add_subdirectory(discord-rpc)
+#=================== toml11 ===================
+add_subdirectory(toml11)
 #=================== IMGUI ===================
 
 set(IMGUI_DIR ${CMAKE_CURRENT_SOURCE_DIR}/imgui)

third-party/toml11

@@ -0,0 +1 @@
+Subproject commit 087408a8fbc8983d8c590eee9d3541400dfa34d9