Move solution and projects to src

4 files changed, 406 insertions, 0 deletions

diff --git a/src/Ryujinx.Common/SystemInfo/LinuxSystemInfo.cs b/src/Ryujinx.Common/SystemInfo/LinuxSystemInfo.cs
new file mode 100644
index 00000000..b0c15e49
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInfo/LinuxSystemInfo.cs
@@ -0,0 +1,80 @@
+using Ryujinx.Common.Logging;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Runtime.Versioning;
+
+namespace Ryujinx.Common.SystemInfo
+{
+    [SupportedOSPlatform("linux")]
+    class LinuxSystemInfo : SystemInfo
+    {
+        internal LinuxSystemInfo()
+        {
+            string cpuName = GetCpuidCpuName();
+
+            if (cpuName == null)
+            {
+                var cpuDict = new Dictionary<string, string>(StringComparer.Ordinal)
+                {
+                    ["model name"] = null,
+                    ["Processor"] = null,
+                    ["Hardware"] = null
+                };
+
+                ParseKeyValues("/proc/cpuinfo", cpuDict);
+
+                cpuName = cpuDict["model name"] ?? cpuDict["Processor"] ?? cpuDict["Hardware"] ?? "Unknown";
+            }
+
+            var memDict = new Dictionary<string, string>(StringComparer.Ordinal)
+            {
+                ["MemTotal"] = null,
+                ["MemAvailable"] = null
+            };
+
+            ParseKeyValues("/proc/meminfo", memDict);
+
+            // Entries are in KiB
+            ulong.TryParse(memDict["MemTotal"]?.Split(' ')[0], NumberStyles.Integer, CultureInfo.InvariantCulture, out ulong totalKiB);
+            ulong.TryParse(memDict["MemAvailable"]?.Split(' ')[0], NumberStyles.Integer, CultureInfo.InvariantCulture, out ulong availableKiB);
+
+            CpuName = $"{cpuName} ; {LogicalCoreCount} logical";
+            RamTotal = totalKiB * 1024;
+            RamAvailable = availableKiB * 1024;
+        }
+
+        private static void ParseKeyValues(string filePath, Dictionary<string, string> itemDict)
+        {
+            if (!File.Exists(filePath))
+            {
+                Logger.Error?.Print(LogClass.Application, $"File \"{filePath}\" not found");
+
+                return;
+            }
+
+            int count = itemDict.Count;
+
+            using (StreamReader file = new StreamReader(filePath))
+            {
+                string line;
+                while ((line = file.ReadLine()) != null)
+                {
+                    string[] kvPair = line.Split(':', 2, StringSplitOptions.TrimEntries);
+
+                    if (kvPair.Length < 2) continue;
+
+                    string key = kvPair[0];
+
+                    if (itemDict.TryGetValue(key, out string value) && value == null)
+                    {
+                        itemDict[key] = kvPair[1];
+
+                        if (--count <= 0) break;
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Common/SystemInfo/MacOSSystemInfo.cs b/src/Ryujinx.Common/SystemInfo/MacOSSystemInfo.cs
new file mode 100644
index 00000000..06324a54
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInfo/MacOSSystemInfo.cs
@@ -0,0 +1,157 @@
+using Ryujinx.Common.Logging;
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+using System.Text;
+
+namespace Ryujinx.Common.SystemInfo
+{
+    [SupportedOSPlatform("macos")]
+    partial class MacOSSystemInfo : SystemInfo
+    {
+        internal MacOSSystemInfo()
+        {
+            string cpuName = GetCpuidCpuName();
+
+            if (cpuName == null && sysctlbyname("machdep.cpu.brand_string", out cpuName) != 0)
+            {
+                cpuName = "Unknown";
+            }
+
+            ulong totalRAM = 0;
+
+            if (sysctlbyname("hw.memsize", ref totalRAM) != 0)  // Bytes
+            {
+                totalRAM = 0;
+            }
+
+            CpuName = $"{cpuName} ; {LogicalCoreCount} logical";
+            RamTotal = totalRAM;
+            RamAvailable = GetVMInfoAvailableMemory();
+        }
+
+        static ulong GetVMInfoAvailableMemory()
+        {
+            var port = mach_host_self();
+
+            uint pageSize = 0;
+            var result = host_page_size(port, ref pageSize);
+
+            if (result != 0)
+            {
+                Logger.Error?.Print(LogClass.Application, $"Failed to query Available RAM. host_page_size() error = {result}");
+                return 0;
+            }
+
+            const int flavor = 4; // HOST_VM_INFO64
+            uint count = (uint)(Marshal.SizeOf<VMStatistics64>() / sizeof(int)); // HOST_VM_INFO64_COUNT
+            VMStatistics64 stats = new();
+            result = host_statistics64(port, flavor, ref stats, ref count);
+
+            if (result != 0)
+            {
+                Logger.Error?.Print(LogClass.Application, $"Failed to query Available RAM. host_statistics64() error = {result}");
+                return 0;
+            }
+
+            return (ulong)(stats.FreeCount + stats.InactiveCount) * pageSize;
+        }
+
+        private const string SystemLibraryName = "libSystem.dylib";
+
+        [LibraryImport(SystemLibraryName, SetLastError = true)]
+        private static partial int sysctlbyname([MarshalAs(UnmanagedType.LPStr)] string name, IntPtr oldValue, ref ulong oldSize, IntPtr newValue, ulong newValueSize);
+
+        private static int sysctlbyname(string name, IntPtr oldValue, ref ulong oldSize)
+        {
+            if (sysctlbyname(name, oldValue, ref oldSize, IntPtr.Zero, 0) == -1)
+            {
+                int err = Marshal.GetLastWin32Error();
+
+                Logger.Error?.Print(LogClass.Application, $"Cannot retrieve '{name}'. Error Code {err}");
+
+                return err;
+            }
+
+            return 0;
+        }
+
+        private static int sysctlbyname<T>(string name, ref T oldValue)
+        {
+            unsafe
+            {
+                ulong oldValueSize = (ulong)Unsafe.SizeOf<T>();
+
+                return sysctlbyname(name, (IntPtr)Unsafe.AsPointer(ref oldValue), ref oldValueSize);
+            }
+        }
+
+        private static int sysctlbyname(string name, out string oldValue)
+        {
+            oldValue = default;
+
+            ulong strSize = 0;
+
+            int res = sysctlbyname(name, IntPtr.Zero, ref strSize);
+
+            if (res == 0)
+            {
+                byte[] rawData = new byte[strSize];
+
+                unsafe
+                {
+                    fixed (byte* rawDataPtr = rawData)
+                    {
+                        res = sysctlbyname(name, (IntPtr)rawDataPtr, ref strSize);
+                    }
+
+                    if (res == 0)
+                    {
+                        oldValue = Encoding.ASCII.GetString(rawData);
+                    }
+                }
+            }
+
+            return res;
+        }
+
+        [LibraryImport(SystemLibraryName, SetLastError = true)]
+        private static partial uint mach_host_self();
+
+        [LibraryImport(SystemLibraryName, SetLastError = true)]
+        private static partial int host_page_size(uint host, ref uint out_page_size);
+
+        [StructLayout(LayoutKind.Sequential, Pack = 8)]
+        struct VMStatistics64
+        {
+            public uint FreeCount;
+            public uint ActiveCount;
+            public uint InactiveCount;
+            public uint WireCount;
+            public ulong ZeroFillCount;
+            public ulong Reactivations;
+            public ulong Pageins;
+            public ulong Pageouts;
+            public ulong Faults;
+            public ulong CowFaults;
+            public ulong Lookups;
+            public ulong Hits;
+            public ulong Purges;
+            public uint PurgeableCount;
+            public uint SpeculativeCount;
+            public ulong Decompressions;
+            public ulong Compressions;
+            public ulong Swapins;
+            public ulong Swapouts;
+            public uint CompressorPageCount;
+            public uint ThrottledCount;
+            public uint ExternalPageCount;
+            public uint InternalPageCount;
+            public ulong TotalUncompressedPagesInCompressor;
+        }
+
+        [LibraryImport(SystemLibraryName, SetLastError = true)]
+        private static partial int host_statistics64(uint host_priv, int host_flavor, ref VMStatistics64 host_info64_out, ref uint host_info64_outCnt);
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Common/SystemInfo/SystemInfo.cs b/src/Ryujinx.Common/SystemInfo/SystemInfo.cs
new file mode 100644
index 00000000..e9ce3c58
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInfo/SystemInfo.cs
@@ -0,0 +1,80 @@
+using Ryujinx.Common.Logging;
+using System;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics.X86;
+using System.Text;
+
+namespace Ryujinx.Common.SystemInfo
+{
+    public class SystemInfo
+    {
+        public string OsDescription { get; protected set; }
+        public string CpuName { get; protected set; }
+        public ulong RamTotal { get; protected set; }
+        public ulong RamAvailable { get; protected set; }
+        protected static int LogicalCoreCount => Environment.ProcessorCount;
+
+        protected SystemInfo()
+        {
+            OsDescription = $"{RuntimeInformation.OSDescription} ({RuntimeInformation.OSArchitecture})";
+            CpuName = "Unknown";
+        }
+
+        private static string ToMiBString(ulong bytesValue) => (bytesValue == 0) ? "Unknown" : $"{bytesValue / 1024 / 1024} MiB";
+
+        public void Print()
+        {
+            Logger.Notice.Print(LogClass.Application, $"Operating System: {OsDescription}");
+            Logger.Notice.Print(LogClass.Application, $"CPU: {CpuName}");
+            Logger.Notice.Print(LogClass.Application, $"RAM: Total {ToMiBString(RamTotal)} ; Available {ToMiBString(RamAvailable)}");
+        }
+
+        public static SystemInfo Gather()
+        {
+            if (OperatingSystem.IsWindows())
+            {
+                return new WindowsSystemInfo();
+            }
+            else if (OperatingSystem.IsLinux())
+            {
+                return new LinuxSystemInfo();
+            }
+            else if (OperatingSystem.IsMacOS())
+            {
+                return new MacOSSystemInfo();
+            }
+            else
+            {
+                Logger.Error?.Print(LogClass.Application, "SystemInfo unsupported on this platform");
+
+                return new SystemInfo();
+            }
+        }
+
+        // x86 exposes a 48 byte ASCII "CPU brand" string via CPUID leaves 0x80000002-0x80000004.
+        internal static string GetCpuidCpuName()
+        {
+            if (!X86Base.IsSupported)
+            {
+                return null;
+            }
+
+            // Check if CPU supports the query
+            if ((uint)X86Base.CpuId(unchecked((int)0x80000000), 0).Eax < 0x80000004)
+            {
+                return null;
+            }
+
+            int[] regs = new int[12];
+
+            for (uint i = 0; i < 3; ++i)
+            {
+                (regs[4 * i], regs[4 * i + 1], regs[4 * i + 2], regs[4 * i + 3]) = X86Base.CpuId((int)(0x80000002 + i), 0);
+            }
+
+            string name = Encoding.ASCII.GetString(MemoryMarshal.Cast<int, byte>(regs)).Replace('\0', ' ').Trim();
+
+            return string.IsNullOrEmpty(name) ? null : name;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Common/SystemInfo/WindowsSystemInfo.cs b/src/Ryujinx.Common/SystemInfo/WindowsSystemInfo.cs
new file mode 100644
index 00000000..c3598a1e
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInfo/WindowsSystemInfo.cs
@@ -0,0 +1,89 @@
+using Ryujinx.Common.Logging;
+using System;
+using System.Management;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace Ryujinx.Common.SystemInfo
+{
+    [SupportedOSPlatform("windows")]
+    partial class WindowsSystemInfo : SystemInfo
+    {
+        internal WindowsSystemInfo()
+        {
+            CpuName = $"{GetCpuidCpuName() ?? GetCpuNameWMI()} ; {LogicalCoreCount} logical"; // WMI is very slow
+            (RamTotal, RamAvailable) = GetMemoryStats();
+        }
+
+        private static (ulong Total, ulong Available) GetMemoryStats()
+        {
+            MemoryStatusEx memStatus = new MemoryStatusEx();
+            if (GlobalMemoryStatusEx(ref memStatus))
+            {
+                return (memStatus.TotalPhys, memStatus.AvailPhys); // Bytes
+            }
+            else
+            {
+                Logger.Error?.Print(LogClass.Application, $"GlobalMemoryStatusEx failed. Error {Marshal.GetLastWin32Error():X}");
+            }
+
+            return (0, 0);
+        }
+
+        private static string GetCpuNameWMI()
+        {
+            ManagementObjectCollection cpuObjs = GetWMIObjects("root\\CIMV2", "SELECT * FROM Win32_Processor");
+
+            if (cpuObjs != null)
+            {
+                foreach (var cpuObj in cpuObjs)
+                {
+                    return cpuObj["Name"].ToString().Trim();
+                }
+            }
+
+            return Environment.GetEnvironmentVariable("PROCESSOR_IDENTIFIER").Trim();
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct MemoryStatusEx
+        {
+            public uint Length;
+            public uint MemoryLoad;
+            public ulong TotalPhys;
+            public ulong AvailPhys;
+            public ulong TotalPageFile;
+            public ulong AvailPageFile;
+            public ulong TotalVirtual;
+            public ulong AvailVirtual;
+            public ulong AvailExtendedVirtual;
+
+            public MemoryStatusEx()
+            {
+                Length = (uint)Marshal.SizeOf<MemoryStatusEx>();
+            }
+        }
+
+        [LibraryImport("kernel32.dll", SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static partial bool GlobalMemoryStatusEx(ref MemoryStatusEx lpBuffer);
+
+        private static ManagementObjectCollection GetWMIObjects(string scope, string query)
+        {
+            try
+            {
+                return new ManagementObjectSearcher(scope, query).Get();
+            }
+            catch (PlatformNotSupportedException ex)
+            {
+                Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
+            }
+            catch (COMException ex)
+            {
+                Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
+            }
+
+            return null;
+        }
+    }
+}
\ No newline at end of file