[AGC] Emit Gen5 v_sad_u32 (#138)

Co-authored-by: Dafenx <196083014+Dafenxz0@users.noreply.github.com>

scripts/generate_aerolib_binary.py

@@ -3,8 +3,8 @@
 
 #!/usr/bin/env python3
 
-import struct
 import hashlib
+import struct
 from base64 import b64encode as base64enc
 from binascii import unhexlify as uhx
 from pathlib import Path
@@ -21,7 +21,7 @@ def name2nid(name):
 def generate():
     names_path = Path(NAMES)
     output_path = Path(OUTPUT)
-    
+
     entries = []
     with open(names_path, 'r', encoding='utf-8') as f:
         for line in f:
@@ -29,12 +29,12 @@ def generate():
             if name:
                 nid = name2nid(name)
                 entries.append((nid, name))
-    
+
     print(f"Found {len(entries)} entries")
 
     data = bytearray()
     data.extend(struct.pack('<I', len(entries)))
-    
+
     for nid, name in entries:
         nid_bytes = nid.encode('utf-8')
         name_bytes = name.encode('utf-8')
@@ -42,10 +42,11 @@ def generate():
         data.extend(nid_bytes)
         data.extend(struct.pack('<H', len(name_bytes)))
         data.extend(name_bytes)
-    
+
+    output_path.parent.mkdir(parents=True, exist_ok=True)
     with open(output_path, 'wb') as f:
         f.write(data)
-    
+
     print(f"Generated: {output_path} ({len(data):,} bytes)")
     print(f"Total entries: {len(entries)}")
 

src/SharpEmu.CLI/SharpEmu.CLI.csproj

@@ -24,6 +24,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <ImplicitUsings>enable</ImplicitUsings>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Version>0.0.1</Version>
+    <ServerGarbageCollection>true</ServerGarbageCollection>
+    <ConcurrentGarbageCollection>true</ConcurrentGarbageCollection>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release'">

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.Imports.cs

@@ -161,7 +161,7 @@ public sealed partial class DirectExecutionBackend
 				*(ulong*)(xmmSlot + 8));
 		}
 		cpuContext[CpuRegister.Rsp] = (ulong)argPackPtr + 96uL;
-		if (string.Equals(importStubEntry.Nid, RuntimeStubNids.BootstrapBridge, StringComparison.Ordinal))
+		if (importStubEntry.Kind == ImportStubKind.BootstrapBridge)
 		{
 			NormalizeKernelDynlibDlsymArguments(cpuContext, out _, out _);
 			*(ulong*)argPackPtr = cpuContext[CpuRegister.Rdi];
@@ -245,12 +245,13 @@ public sealed partial class DirectExecutionBackend
 		bool flag4 = !string.IsNullOrWhiteSpace(_importFilter);
 		bool flag5 = false;
 		ExportedFunction? matchedExport = importStubEntry.Export;
+		var traceFlags = importStubEntry.TraceFlags;
 		bool periodicTrace = num <= 128 ||
 			(num >= 240 && num <= 400) ||
 			(num >= 900 && num <= 1300) ||
 			num % 100000 == 0L ||
-			(importStubEntry.Nid == "tsvEmnenz48" && (num <= 256 || num % 1000 == 0L)) ||
-			(importStubEntry.Nid == "rTXw65xmLIA" && (num <= 256 || num % 128 == 0)) ||
+			((traceFlags & ImportStubTraceFlags.PeriodicEvery1000) != 0 && (num <= 256 || num % 1000 == 0L)) ||
+			((traceFlags & ImportStubTraceFlags.PeriodicEvery128) != 0 && (num <= 256 || num % 128 == 0)) ||
 			flag ||
 			flag2 ||
 			flag3;
@@ -311,15 +312,15 @@ public sealed partial class DirectExecutionBackend
 				cpuContext[CpuRegister.Rsi],
 				cpuContext[CpuRegister.Rdx]);
 		}
-		if (importStubEntry.Nid == "8zTFvBIAIN8" && num <= 256)
+		if ((traceFlags & ImportStubTraceFlags.Memset) != 0 && num <= 256)
 		{
 			Console.Error.WriteLine($"[LOADER][TRACE] memset#{num}: dst=0x{cpuContext[CpuRegister.Rdi]:X16} val=0x{cpuContext[CpuRegister.Rsi] & 0xFF:X2} len=0x{cpuContext[CpuRegister.Rdx]:X16} ret=0x{num7:X16}");
 		}
-		if (importStubEntry.Nid == "tsvEmnenz48" && num <= 64)
+		if ((traceFlags & ImportStubTraceFlags.CxaAtexit) != 0 && num <= 64)
 		{
 			Console.Error.WriteLine($"[LOADER][TRACE] __cxa_atexit#{num}: func=0x{cpuContext[CpuRegister.Rdi]:X16} arg=0x{cpuContext[CpuRegister.Rsi]:X16} dso=0x{cpuContext[CpuRegister.Rdx]:X16} ret=0x{num7:X16}");
 		}
-		if (importStubEntry.Nid == "bzQExy189ZI" || importStubEntry.Nid == "8G2LB+A3rzg")
+		if ((traceFlags & ImportStubTraceFlags.RawArgs) != 0)
 		{
 			Console.Error.WriteLine($"[LOADER][TRACE] {importStubEntry.Nid}#{num}: rdi=0x{cpuContext[CpuRegister.Rdi]:X16} rsi=0x{cpuContext[CpuRegister.Rsi]:X16} rdx=0x{cpuContext[CpuRegister.Rdx]:X16} ret=0x{num7:X16}");
 		}
@@ -349,7 +350,7 @@ public sealed partial class DirectExecutionBackend
 				Console.Error.Flush();
 			}
 		}
-		if (importStubEntry.Nid == "Ou3iL1abvng")
+		if ((traceFlags & ImportStubTraceFlags.StackChkFail) != 0)
 		{
 			if (_logStackCheck)
 			{
@@ -381,7 +382,7 @@ public sealed partial class DirectExecutionBackend
 				ActiveGuestReturnSlotAddress);
 			try
 			{
-				if (string.Equals(importStubEntry.Nid, RuntimeStubNids.BootstrapBridge, StringComparison.Ordinal))
+				if (importStubEntry.Kind == ImportStubKind.BootstrapBridge)
 				{
 					if (_logBootstrap)
 					{
@@ -390,12 +391,11 @@ public sealed partial class DirectExecutionBackend
 
 					orbisGen2Result = DispatchBootstrapBridge();
 				}
-				else if (string.Equals(importStubEntry.Nid, RuntimeStubNids.KernelDynlibDlsym, StringComparison.Ordinal) ||
-					string.Equals(importStubEntry.Nid, "LwG8g3niqwA", StringComparison.Ordinal))
+				else if (importStubEntry.Kind == ImportStubKind.KernelDynlibDlsym)
 				{
 					orbisGen2Result = DispatchKernelDynlibDlsym();
 				}
-				else if (string.Equals(importStubEntry.Nid, "r8mvOaWdi28", StringComparison.Ordinal))
+				else if (importStubEntry.Kind == ImportStubKind.Il2CppApiLookupSymbol)
 				{
 					orbisGen2Result = DispatchIl2CppApiLookupSymbol();
 				}
@@ -736,6 +736,9 @@ public sealed partial class DirectExecutionBackend
 		var expectedEqueueTimeout =
 			string.Equals(nid, "fzyMKs9kim0", StringComparison.Ordinal) &&
 			result == OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
+		var expectedEventFlagTimeout =
+			string.Equals(nid, "JTvBflhYazQ", StringComparison.Ordinal) &&
+			result == OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
 		var expectedMutexTrylockBusy =
 			string.Equals(nid, "K-jXhbt2gn4", StringComparison.Ordinal) &&
 			result == OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
@@ -748,6 +751,7 @@ public sealed partial class DirectExecutionBackend
 		if (!expectedFileProbeMiss &&
 			!expectedTimedWaitTimeout &&
 			!expectedEqueueTimeout &&
+			!expectedEventFlagTimeout &&
 			!expectedMutexTrylockBusy &&
 			!expectedUserServiceNoEvent &&
 			!expectedPrivacyInvalidParameter)
@@ -818,6 +822,7 @@ public sealed partial class DirectExecutionBackend
 			"2Z+PpY6CaJg" or // pthread_mutex_unlock
 			"EgmLo6EWgso" or // pthread_rwlock_unlock
 			"+L98PIbGttk" or // scePthreadRwlockUnlock
+			"q1cHNfGycLI" or // scePadRead
 			"8aI7R7WaOlc" or // sceAmprCommandBufferConstructor
 			"zgXifHT9ErY" or // sceVideoOutIsFlipPending
 			"V++UgBtQhn0" or // sceAgcGetDataPacketPayloadAddress
@@ -876,7 +881,7 @@ public sealed partial class DirectExecutionBackend
 			"Q2V+iqvjgC0" or // vsnprintf
 			"j4ViWNHEgww" or // strlen
 			"5jNubw4vlAA" or // strnlen
-			"LHMrG7e8G78" or // wcslen
+			"LHMrG7e8G78" or // wcsmisc
 			"WkkeywLJcgU" or // wcslen
 			"Ovb2dSJOAuE" or // strcmp
 			"aesyjrHVWy4" or // strncmp
@@ -1076,7 +1081,15 @@ public sealed partial class DirectExecutionBackend
 	}
 
 	private static bool IsImportLoopGuardBoundary(string nid) =>
-		string.Equals(nid, "1jfXLRVzisc", StringComparison.Ordinal);
+    nid switch
+    {
+        "1jfXLRVzisc" => true, // sceKernelUsleep
+        "QcteRwbsnV0" => true, // usleep
+        "n88vx3C5nW8" => true, // gettimeofday
+        "Zxa0VhQVTsk" => true, // sceKernelWaitSema
+        "T72hz6ffq08" => true, // scePthreadYield
+        _ => false
+    };
 
 	private void ResetImportLoopPattern()
 	{

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.cs

@@ -25,6 +25,26 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private const int DefaultImportLoopGuardSeconds = 5;
 
+	private enum ImportStubKind : byte
+	{
+		Normal = 0,
+		BootstrapBridge = 1,
+		KernelDynlibDlsym = 2,
+		Il2CppApiLookupSymbol = 3,
+	}
+
+	[Flags]
+	private enum ImportStubTraceFlags : byte
+	{
+		None = 0,
+		Memset = 1 << 0,
+		CxaAtexit = 1 << 1,
+		RawArgs = 1 << 2,
+		StackChkFail = 1 << 3,
+		PeriodicEvery1000 = 1 << 4,
+		PeriodicEvery128 = 1 << 5,
+	}
+
 	private readonly struct ImportStubEntry
 	{
 		public ulong Address { get; }
@@ -33,12 +53,36 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 		public ExportedFunction? Export { get; }
 
+		public ImportStubKind Kind { get; }
+
+		public ImportStubTraceFlags TraceFlags { get; }
+
 		public ImportStubEntry(ulong address, string nid, ExportedFunction? export)
 		{
 			Address = address;
 			Nid = nid;
 			Export = export;
+			Kind = ClassifyKind(nid);
+			TraceFlags = ClassifyTraceFlags(nid);
 		}
+
+		private static ImportStubKind ClassifyKind(string nid) => nid switch
+		{
+			RuntimeStubNids.BootstrapBridge => ImportStubKind.BootstrapBridge,
+			RuntimeStubNids.KernelDynlibDlsym or "LwG8g3niqwA" => ImportStubKind.KernelDynlibDlsym,
+			"r8mvOaWdi28" => ImportStubKind.Il2CppApiLookupSymbol,
+			_ => ImportStubKind.Normal,
+		};
+
+		private static ImportStubTraceFlags ClassifyTraceFlags(string nid) => nid switch
+		{
+			"8zTFvBIAIN8" => ImportStubTraceFlags.Memset,
+			"tsvEmnenz48" => ImportStubTraceFlags.CxaAtexit | ImportStubTraceFlags.PeriodicEvery1000,
+			"bzQExy189ZI" or "8G2LB+A3rzg" => ImportStubTraceFlags.RawArgs,
+			"Ou3iL1abvng" => ImportStubTraceFlags.StackChkFail,
+			"rTXw65xmLIA" => ImportStubTraceFlags.PeriodicEvery128,
+			_ => ImportStubTraceFlags.None,
+		};
 	}
 
 	private readonly record struct RecentImportTraceEntry(
@@ -125,6 +169,8 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private const ulong GuestThreadRegionStride = 0x0100_0000UL;
 
+	private const int GuestThreadRegionSlotCount = 256;
+
 	private const uint PAGE_EXECUTE_READWRITE = 64u;
 
 	private const uint PAGE_READWRITE = 4u;
@@ -2757,7 +2803,21 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 			if (hostThread is not null &&
 				!ReferenceEquals(hostThread, Thread.CurrentThread))
 			{
-				hostThread.Join(1);
+				// The handle is published before the host thread starts.
+				if ((hostThread.ThreadState & System.Threading.ThreadState.Unstarted) != 0)
+				{
+					Thread.Sleep(1);
+					continue;
+				}
+
+				try
+				{
+					hostThread.Join(1);
+				}
+				catch (ThreadStateException)
+				{
+					Thread.Sleep(1);
+				}
 			}
 			else
 			{
@@ -3446,7 +3506,7 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		out ulong mappedBase,
 		out string? error)
 	{
-		for (int i = 0; i < 64; i++)
+		for (int i = 0; i < GuestThreadRegionSlotCount; i++)
 		{
 			var candidateBase = baseAddress - ((ulong)i * GuestThreadRegionStride);
 			if (!IsGuestThreadRegionFree(virtualMemory, candidateBase, size))
@@ -3480,7 +3540,7 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		out ulong tlsBase,
 		out string? error)
 	{
-		for (int i = 0; i < 64; i++)
+		for (int i = 0; i < GuestThreadRegionSlotCount; i++)
 		{
 			var candidateBase = GuestThreadTlsBaseAddress - ((ulong)i * GuestThreadRegionStride);
 			var mappedBase = candidateBase - GuestThreadTlsPrefixSize;

src/SharpEmu.Core/Loader/ParamLoader.cs

@@ -45,7 +45,13 @@ public static class Ps5ParamJsonReader
 
         try
         {
-            using var doc = JsonDocument.Parse(data);
+            ReadOnlyMemory<byte> json = data;
+            if (json.Span.StartsWith("\uFEFF"u8))
+            {
+                json = json[3..];
+            }
+
+            using var doc = JsonDocument.Parse(json);
             return TryReadPs5Param(doc.RootElement);
         }
         catch (JsonException)
@@ -56,12 +62,15 @@ public static class Ps5ParamJsonReader
 
     private static (string? Title, string? TitleId, string? Version) TryReadPs5Param(JsonElement root)
     {
-        string? titleId = root.TryGetProperty("titleId", out var eTid) ? eTid.GetString() : null;
+        if (root.ValueKind != JsonValueKind.Object)
+            return (null, null, null);
+
+        var titleId = GetString(root, "titleId");
 
         string? ver =
-            (root.TryGetProperty("contentVersion", out var cv) ? cv.GetString() : null)
-            ?? (root.TryGetProperty("masterVersion", out var mv) ? mv.GetString() : null)
-            ?? (root.TryGetProperty("targetContentVersion", out var tv) ? tv.GetString() : null);
+            GetString(root, "contentVersion")
+            ?? GetString(root, "masterVersion")
+            ?? GetString(root, "targetContentVersion");
 
         string? title = ExtractTitleName(root);
 
@@ -70,34 +79,49 @@ public static class Ps5ParamJsonReader
 
     private static string? ExtractTitleName(JsonElement root)
     {
-        if (!root.TryGetProperty("localizedParameters", out var lp))
+        if ((!root.TryGetProperty("localizedParameters", out var lp) || lp.ValueKind != JsonValueKind.Object) &&
+            root.TryGetProperty("disc", out var disc) && disc.ValueKind == JsonValueKind.Object)
         {
-            if (root.TryGetProperty("disc", out var disc) && disc.ValueKind == JsonValueKind.Object)
-            {
-                disc.TryGetProperty("localizedParameters", out lp);
-            }
+            disc.TryGetProperty("localizedParameters", out lp);
         }
 
         if (lp.ValueKind != JsonValueKind.Object)
             return null;
 
-        string? defLang = lp.TryGetProperty("defaultLanguage", out var dl) ? dl.GetString() : null;
+        var defLang = GetString(lp, "defaultLanguage");
 
         if (!string.IsNullOrEmpty(defLang))
         {
             if (lp.TryGetProperty(defLang, out var langObj) && langObj.ValueKind == JsonValueKind.Object)
             {
-                if (langObj.TryGetProperty("titleName", out var tn))
-                    return tn.GetString();
+                var title = GetString(langObj, "titleName");
+                if (!string.IsNullOrWhiteSpace(title))
+                    return title;
             }
         }
 
         if (lp.TryGetProperty("en-US", out var en) && en.ValueKind == JsonValueKind.Object)
         {
-            if (en.TryGetProperty("titleName", out var tn2))
-                return tn2.GetString();
+            var title = GetString(en, "titleName");
+            if (!string.IsNullOrWhiteSpace(title))
+                return title;
+        }
+
+        foreach (var property in lp.EnumerateObject())
+        {
+            if (property.Value.ValueKind == JsonValueKind.Object)
+            {
+                var title = GetString(property.Value, "titleName");
+                if (!string.IsNullOrWhiteSpace(title))
+                    return title;
+            }
         }
 
         return null;
     }
+
+    private static string? GetString(JsonElement parent, string propertyName) =>
+        parent.TryGetProperty(propertyName, out var value) && value.ValueKind == JsonValueKind.String
+            ? value.GetString()
+            : null;
 }

src/SharpEmu.GUI/Languages/ar.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "العربية",
+
+  "Page.Library": "المكتبة",
+  "Page.Options": "الخيارات",
+  "Page.GameCount.One": "لعبة واحدة",
+  "Page.GameCount.Other": "{0} لعبة",
+
+  "Library.SearchWatermark": "ابحث في المكتبة...",
+  "Library.AddFolder": "＋ إضافة مجلد",
+  "Library.Rescan": "⟳ إعادة الفحص",
+  "Library.OpenFile": "فتح ملف...",
+
+  "Library.Context.Launch": "تشغيل",
+  "Library.Context.OpenFolder": "فتح مجلد اللعبة",
+  "Library.Context.CopyPath": "نسخ المسار",
+  "Library.Context.CopyTitleId": "نسخ معرف العنوان",
+  "Library.Context.Remove": "إزالة من المكتبة",
+
+  "Library.Empty.Title": "مكتبتك فارغة",
+  "Library.Empty.Hint": "أضف مجلداً يحتوي على ألعابك للبدء.",
+  "Library.Empty.SearchTitle": "لا توجد ألعاب تطابق بحثك",
+  "Library.Empty.SearchHint": "لا شيء في المكتبة يطابق “{0}”.",
+  "Library.Empty.AddFolder": "＋ إضافة مجلد ألعاب",
+
+  "Library.Loading": "جارٍ تحميل المكتبة...",
+
+  "Options.General": "عام",
+  "Options.Section.Emulation": "المحاكاة",
+  "Options.Section.Logging": "التسجيل",
+  "Options.Section.Launcher": "المُشغِّل",
+
+  "Options.CpuEngine.Label": "محرك المعالج",
+  "Options.CpuEngine.Desc": "محرك التنفيذ المستخدم لتشغيل كود اللعبة.", 
+  "Options.CpuEngine.Native": "أصلي",
+
+  "Options.Strict.Label": "ربط صارم للمكتبات الديناميكية (dynlib)",
+  "Options.Strict.Desc": "إفشال التشغيل عندما يتعذر التعرف على رمز مستورد.",
+
+  "Options.LogLevel.Label": "مستوى التسجيل",
+  "Options.LogLevel.Desc": "مدى تفصيل مخرجات نافذة سجلات المحاكي.",
+  "Options.LogLevel.Trace": "تتبع",
+  "Options.LogLevel.Debug": "تصحيح الأخطاء",
+  "Options.LogLevel.Info": "معلومات",
+  "Options.LogLevel.Warning": "تحذير",
+  "Options.LogLevel.Error": "خطأ",
+  "Options.LogLevel.Critical": "حرج",
+
+  "Options.TraceImports.Label": "حد تتبع الاستيراد",
+  "Options.TraceImports.Desc": "تتبع أول N استيراد لكل وحدة (0 = إيقاف).",
+
+  "Options.LogToFile.Label": "التسجيل في ملف",
+  "Options.LogToFile.Desc": "نسخ مخرجات المحاكي إلى ملف سجل.",
+
+  "Options.LogFilePath.Label": "مسار ملف السجل",
+  "Options.LogFilePath.Default": "لا يوجد مسار مخصص — تُحفظ السجلات في user/logs بجوار المحاكي.",
+  "Options.LogFilePath.Select": "تحديد...",
+
+  "Options.OverrideLogFile.Label": "الكتابة فوق ملف السجل",
+  "Options.OverrideLogFile.Desc": "استخدام مسار الملف الدقيق بدلاً من إلحاق معرف العنوان والطابع الزمني.",
+
+  "Options.TitleMusic.Label": "موسيقى اللعبة",
+  "Options.TitleMusic.Desc": "تكرار موسيقى المعاينة للعبة المحددة في المكتبة.",
+
+  "Options.Discord.Label": "حالة دسكورد",
+  "Options.Discord.Desc": "إظهار اللعبة قيد التشغيل في ملفك الشخصي على دسكورد.",
+
+  "Options.Language.Label": "لغة المحاكي",
+  "Options.Language.Desc": "اللغة المستخدمة في جميع أنحاء المشغل. تُطبق فوراً.",
+
+  "Common.On": "تشغيل",
+  "Common.Off": "إيقاف",
+
+  "Console.Title": "نافذة السجلات",
+  "Console.SearchWatermark": "بحث...",
+  "Console.AutoScroll": "تمرير تلقائي",
+  "Console.Split": "تقسيم",
+  "Console.Copy": "نسخ",
+  "Console.Clear": "مسح",
+  "Console.WindowTitle": "نافذة سجلات SharpEmu",
+
+  "Launch.NoGameSelected": "لم تُحدد أي لعبة",
+  "Launch.NoGameHint": "اختر لعبة من المكتبة، أو افتح ملف eboot.bin مباشرة.",
+  "Launch.Idle": "خامل",
+  "Launch.Console": "≡ نافذة السجلات",
+  "Launch.Launch": "▶  تشغيل",
+  "Launch.Stop": "■  إيقاف",
+  "Launch.Running": "قيد التشغيل — {0}",
+  "Launch.Stopping": "جارٍ الإيقاف...",
+  "Launch.Exited": "انتهى برمز {0} ({1})",
+  "Launch.ExeNotFound": "لم يُعثر على الملف التنفيذي SharpEmu. ابنِ مشروع SharpEmu.CLI أولاً (dotnet build).",
+  "Launch.LogFile": "ملف السجل: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "فشل بدء تشغيل المحاكي: {0}",
+  "Launch.ProcessExited": "انتهت العملية برمز {0} ({1}).",
+
+  "Exit.Ok": "موافق",
+  "Exit.InvalidArguments": "معطيات غير صالحة",
+  "Exit.EbootNotFound": "لم يُعثر على eboot",
+  "Exit.RuntimeException": "استثناء وقت التشغيل",
+  "Exit.EmulationError": "خطأ في المحاكاة",
+  "Exit.Unknown": "غير معروف",
+
+  "Status.EmulatorLocating": "المحاكي: جارٍ تحديد الموقع...",
+  "Status.EmulatorPath": "المحاكي: {0}",
+  "Status.EmulatorNotFound": "المحاكي: لم يُعثر على الملف التنفيذي SharpEmu — ابنِ SharpEmu.CLI أولاً.",
+  "Status.ScanningLibrary": "جارٍ فحص المكتبة...",
+  "Status.AddFolderPrompt": "أضف مجلد ألعاب لملء المكتبة.",
+  "Status.LibraryScanned": "فُحصت المكتبة: {0} لعبة في {1} مجلد.",
+  "Status.CouldNotOpenFolder": "تعذر فتح المجلد: {0}",
+  "Status.CopiedToClipboard": "نُسخ {0} إلى الحافظة.",
+  "Status.RemovedFromLibrary": "أُزيل “{0}” من المكتبة. أعد إضافة مجلده لاستعادته.",
+  "Status.Running": "جارٍ تشغيل {0}",
+  "Status.Stopping": "جارٍ الإيقاف...",
+  "Status.Idle": "خامل",
+
+  "Clipboard.Path": "المسار",
+  "Clipboard.TitleId": "معرف العنوان",
+
+  "Discord.Playing": "يلعب {0}",
+  "Discord.Browsing": "يتصفح المكتبة",
+
+  "Dialog.ChooseGameFolder": "اختر مجلداً يحتوي على ألعاب",
+  "Dialog.OpenExecutable": "افتح ملفاً تنفيذياً لتشغيله",
+  "Dialog.PsExecutables": "ملفات PS التنفيذية",
+  "Dialog.SaveLogFile": "حدد مكان حفظ ملف السجل",
+  "Dialog.PlainTextFiles": "ملفات نصية عادية",
+  "Dialog.LogFiles": "ملفات السجل"
+}

src/SharpEmu.GUI/Languages/de.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "Deutsch",
+
+  "Page.Library": "Bibliothek",
+  "Page.Options": "Optionen",
+  "Page.GameCount.One": "1 Spiel",
+  "Page.GameCount.Other": "{0} Spiele",
+
+  "Library.SearchWatermark": "Bibliothek durchsuchen…",
+  "Library.AddFolder": "＋ Spielordner hinzufügen",
+  "Library.Rescan": "⟳ Neu scannen",
+  "Library.OpenFile": "Datei öffnen…",
+
+  "Library.Context.Launch": "Starten",
+  "Library.Context.OpenFolder": "Spielordner öffnen",
+  "Library.Context.CopyPath": "Pfad kopieren",
+  "Library.Context.CopyTitleId": "Title ID kopieren",
+  "Library.Context.Remove": "Aus Bibliothek entfernen",
+
+  "Library.Empty.Title": "Deine Bibliothek ist leer",
+  "Library.Empty.Hint": "Füge einen Ordner mit deinen Spielen hinzu, um zu beginnen.",
+  "Library.Empty.SearchTitle": "Keine Spiele gefunden",
+  "Library.Empty.SearchHint": "Nichts in der Bibliothek entspricht "{0}".",
+  "Library.Empty.AddFolder": "＋ Spielordner hinzufügen",
+
+  "Library.Loading": "Bibliothek wird geladen…",
+
+  "Options.General": "Allgemein",
+  "Options.Section.Emulation": "EMULATION",
+  "Options.Section.Logging": "PROTOKOLLIERUNG",
+  "Options.Section.Launcher": "LAUNCHER",
+
+  "Options.CpuEngine.Label": "CPU-Engine",
+  "Options.CpuEngine.Desc": "Ausführungs-Engine, die zum Ausführen des Spiel-Codes verwendet wird.",
+  "Options.CpuEngine.Native": "Nativ",
+
+  "Options.Strict.Label": "Strikte dynlib-Auflösung",
+  "Options.Strict.Desc": "Starten abbrechen, wenn ein importiertes Symbol nicht aufgelöst werden kann.",
+
+  "Options.LogLevel.Label": "Protokollstufe",
+  "Options.LogLevel.Desc": "Ausführlichkeit der Emulator-Konsolenausgabe.",
+  "Options.LogLevel.Trace": "Trace",
+  "Options.LogLevel.Debug": "Debug",
+  "Options.LogLevel.Info": "Info",
+  "Options.LogLevel.Warning": "Warnung",
+  "Options.LogLevel.Error": "Fehler",
+  "Options.LogLevel.Critical": "Kritisch",
+
+  "Options.TraceImports.Label": "Import-Trace-Limit",
+  "Options.TraceImports.Desc": "Die ersten N Imports pro Modul verfolgen (0 = aus).",
+
+  "Options.LogToFile.Label": "In Datei protokollieren",
+  "Options.LogToFile.Desc": "Emulator-Ausgabe zusätzlich in eine Log-Datei schreiben.",
+
+  "Options.LogFilePath.Label": "Protokolldatei-Pfad",
+  "Options.LogFilePath.Default": "Kein benutzerdefinierter Pfad – Logs werden im Ordner user/logs neben dem Emulator gespeichert.",
+  "Options.LogFilePath.Select": "Auswählen…",
+
+  "Options.OverrideLogFile.Label": "Protokolldatei überschreiben",
+  "Options.OverrideLogFile.Desc": "Genauen Dateipfad verwenden, statt Title-ID und Zeitstempel anzuhängen.",
+
+  "Options.TitleMusic.Label": "Titel-Musik",
+  "Options.TitleMusic.Desc": "Die Vorschau-Musik des ausgewählten Spiels in der Bibliothek loopend abspielen.",
+
+  "Options.Discord.Label": "Discord-Präsenz",
+  "Options.Discord.Desc": "Zeigt das aktuell gespielte Spiel in deinem Discord-Profil an.",
+
+  "Options.Language.Label": "Emulator-Sprache",
+  "Options.Language.Desc": "Sprache der Benutzeroberfläche. Wird sofort angewendet.",
+
+  "Common.On": "An",
+  "Common.Off": "Aus",
+
+  "Console.Title": "KONSOLE",
+  "Console.SearchWatermark": "Suchen...",
+  "Console.AutoScroll": "Auto-Scroll",
+  "Console.Split": "Teilen",
+  "Console.Copy": "Kopieren",
+  "Console.Clear": "Leeren",
+  "Console.WindowTitle": "SharpEmu Konsole",
+
+  "Launch.NoGameSelected": "Kein Spiel ausgewählt",
+  "Launch.NoGameHint": "Wähle ein Spiel aus der Bibliothek aus oder öffne eine eboot.bin direkt.",
+  "Launch.Idle": "Bereit",
+  "Launch.Console": "≡ Konsole",
+  "Launch.Launch": "▶ Starten",
+  "Launch.Stop": "■ Stoppen",
+  "Launch.Running": "Läuft -- {0}",
+  "Launch.Stopping": "Wird beendet…",
+  "Launch.Exited": "Beendet mit Code {0} ({1})",
+  "Launch.ExeNotFound": "SharpEmu-Executable wurde nicht gefunden. Baue zuerst das SharpEmu.CLI-Projekt (dotnet build).",
+  "Launch.LogFile": "Log-Datei: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Emulator konnte nicht gestartet werden: {0}",
+  "Launch.ProcessExited": "Prozess wurde mit Code {0} ({1}) beendet.",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "Ungültige Argumente",
+  "Exit.EbootNotFound": "eboot nicht gefunden",
+  "Exit.RuntimeException": "Laufzeitfehler",
+  "Exit.EmulationError": "Emulationsfehler",
+  "Exit.Unknown": "unbekannt",
+
+  "Status.EmulatorLocating": "Emulator: wird gesucht…",
+  "Status.EmulatorPath": "Emulator: {0}",
+  "Status.EmulatorNotFound": "Emulator: SharpEmu-Executable nicht gefunden -- baue zuerst SharpEmu.CLI.",
+  "Status.ScanningLibrary": "Bibliothek wird gescannt…",
+  "Status.AddFolderPrompt": "Füge einen Spielordner hinzu, um die Bibliothek zu füllen.",
+  "Status.LibraryScanned": "Bibliothek gescannt: {0} Spiel(e) in {1} Ordner(n).",
+  "Status.CouldNotOpenFolder": "Ordner konnte nicht geöffnet werden: {0}",
+  "Status.CopiedToClipboard": "{0} in die Zwischenablage kopiert.",
+  "Status.RemovedFromLibrary": ""{0}" wurde aus der Bibliothek entfernt. Füge den Ordner erneut hinzu, um es wiederherzustellen.",
+  "Status.Running": "Läuft {0}",
+  "Status.Stopping": "Wird gestoppt…",
+  "Status.Idle": "Bereit",
+
+  "Clipboard.Path": "Pfad",
+  "Clipboard.TitleId": "Title ID",
+
+  "Discord.Playing": "Spielt {0}",
+  "Discord.Browsing": "Durchsucht die Bibliothek",
+
+  "Dialog.ChooseGameFolder": "Spielordner auswählen",
+  "Dialog.OpenExecutable": "Ausführbare Datei zum Starten öffnen",
+  "Dialog.PsExecutables": "PS-Ausführbare Dateien",
+  "Dialog.SaveLogFile": "Protokolldatei speichern unter",
+  "Dialog.PlainTextFiles": "Textdateien",
+  "Dialog.LogFiles": "Protokolldateien"
+}

src/SharpEmu.GUI/Languages/dk.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "Dansk",
+
+  "Page.Library": "Bibliotek",
+  "Page.Options": "Indstillinger",
+  "Page.GameCount.One": "1 spil",
+  "Page.GameCount.Other": "{0} spil",
+
+  "Library.SearchWatermark": "Søg i biblioteket…",
+  "Library.AddFolder": "＋ Tilføj mappe",
+  "Library.Rescan": "⟳ Genindlæs",
+  "Library.OpenFile": "Åbn fil…",
+
+  "Library.Context.Launch": "Start",
+  "Library.Context.OpenFolder": "Åbn spilmappe",
+  "Library.Context.CopyPath": "Kopiér sti",
+  "Library.Context.CopyTitleId": "Kopiér titel-ID",
+  "Library.Context.Remove": "Fjern fra bibliotek",
+
+  "Library.Empty.Title": "Dit bibliotek er tomt",
+  "Library.Empty.Hint": "Tilføj en mappe med dine spil for at komme i gang.",
+  "Library.Empty.SearchTitle": "Ingen spil matcher din søgning",
+  "Library.Empty.SearchHint": "Intet i biblioteket matcher “{0}”.",
+  "Library.Empty.AddFolder": "＋ Tilføj spilmappe",
+
+  "Library.Loading": "Indlæser bibliotek…",
+
+  "Options.General": "Generelt",
+  "Options.Section.Emulation": "EMULERING",
+  "Options.Section.Logging": "LOGGING",
+  "Options.Section.Launcher": "LAUNCHER",
+
+  "Options.CpuEngine.Label": "CPU-engine",
+  "Options.CpuEngine.Desc": "Den eksekveringsengine der bruges til at køre spilkode.",
+  "Options.CpuEngine.Native": "Native",
+
+  "Options.Strict.Label": "Streng dynlib-opløsning",
+  "Options.Strict.Desc": "Afbryd opstarten, når et importeret symbol ikke kan findes.",
+
+  "Options.LogLevel.Label": "Logniveau",
+  "Options.LogLevel.Desc": "Detaljeringsgrad for emulatorens konsoloutput.",
+  "Options.LogLevel.Trace": "Trace",
+  "Options.LogLevel.Debug": "Debug",
+  "Options.LogLevel.Info": "Info",
+  "Options.LogLevel.Warning": "Advarsel",
+  "Options.LogLevel.Error": "Fejl",
+  "Options.LogLevel.Critical": "Kritisk",
+
+  "Options.TraceImports.Label": "Grænse for import-trace",
+  "Options.TraceImports.Desc": "Spor de første N imports pr. modul (0 = fra).",
+
+  "Options.LogToFile.Label": "Log til fil",
+  "Options.LogToFile.Desc": "Spejl emulatorens output til en logfil.",
+
+  "Options.LogFilePath.Label": "Sti til logfil",
+  "Options.LogFilePath.Default": "Ingen brugerdefineret sti — logs gemmes i user/logs ved siden af emulatoren.",
+  "Options.LogFilePath.Select": "Vælg…",
+
+  "Options.OverrideLogFile.Label": "Tilsidesæt logfil",
+  "Options.OverrideLogFile.Desc": "Brug den præcise filsti i stedet for at tilføje titel-ID og tidsstempel.",
+
+  "Options.TitleMusic.Label": "Titelmusik",
+  "Options.TitleMusic.Desc": "Gentag det valgte spils forhåndsvisningsmusik i biblioteket.",
+
+  "Options.Discord.Label": "Discord-tilstedeværelse",
+  "Options.Discord.Desc": "Vis det kørende spil på din Discord-profil.",
+
+  "Options.Language.Label": "Emulatorsprog",
+  "Options.Language.Desc": "Sprog der bruges i hele launcheren. Anvendes med det samme.",
+
+  "Common.On": "Til",
+  "Common.Off": "Fra",
+
+  "Console.Title": "KONSOL",
+  "Console.SearchWatermark": "Søg...",
+  "Console.AutoScroll": "Auto-scroll",
+  "Console.Split": "Opdel",
+  "Console.Copy": "Kopiér",
+  "Console.Clear": "Ryd",
+  "Console.WindowTitle": "SharpEmu-konsol",
+
+  "Launch.NoGameSelected": "Intet spil valgt",
+  "Launch.NoGameHint": "Vælg et spil fra biblioteket, eller åbn en eboot.bin direkte.",
+  "Launch.Idle": "Inaktiv",
+  "Launch.Console": "≡ Konsol",
+  "Launch.Launch": "▶  Start",
+  "Launch.Stop": "■  Stop",
+  "Launch.Running": "Kører — {0}",
+  "Launch.Stopping": "Stopper…",
+  "Launch.Exited": "Afsluttet med kode {0} ({1})",
+  "Launch.ExeNotFound": "SharpEmu-programmet blev ikke fundet. Byg SharpEmu.CLI-projektet først (dotnet build).",
+  "Launch.LogFile": "Logfil: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Kunne ikke starte emulatoren: {0}",
+  "Launch.ProcessExited": "Processen afsluttede med kode {0} ({1}).",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "ugyldige argumenter",
+  "Exit.EbootNotFound": "eboot ikke fundet",
+  "Exit.RuntimeException": "runtime-fejl",
+  "Exit.EmulationError": "emuleringsfejl",
+  "Exit.Unknown": "ukendt",
+
+  "Status.EmulatorLocating": "Emulator: lokaliserer…",
+  "Status.EmulatorPath": "Emulator: {0}",
+  "Status.EmulatorNotFound": "Emulator: SharpEmu-programmet blev ikke fundet — byg SharpEmu.CLI først.",
+  "Status.ScanningLibrary": "Skanner bibliotek…",
+  "Status.AddFolderPrompt": "Tilføj en spilmappe for at udfylde biblioteket.",
+  "Status.LibraryScanned": "Bibliotek skannet: {0} spil i {1} mappe(r).",
+  "Status.CouldNotOpenFolder": "Kunne ikke åbne mappe: {0}",
+  "Status.CopiedToClipboard": "{0} kopieret til udklipsholderen.",
+  "Status.RemovedFromLibrary": "“{0}” fjernet fra biblioteket. Tilføj mappen igen for at gendanne det.",
+  "Status.Running": "Kører {0}",
+  "Status.Stopping": "Stopper…",
+  "Status.Idle": "Inaktiv",
+
+  "Clipboard.Path": "Sti",
+  "Clipboard.TitleId": "Titel-ID",
+
+  "Discord.Playing": "Spiller {0}",
+  "Discord.Browsing": "Gennemser biblioteket",
+
+  "Dialog.ChooseGameFolder": "Vælg en mappe der indeholder spil",
+  "Dialog.OpenExecutable": "Åbn et program der skal startes",
+  "Dialog.PsExecutables": "PS-programmer",
+  "Dialog.SaveLogFile": "Vælg hvor logfilen skal gemmes",
+  "Dialog.PlainTextFiles": "Almindelige tekstfiler",
+  "Dialog.LogFiles": "Logfiler"
+}

src/SharpEmu.GUI/Languages/it.json

@@ -0,0 +1,134 @@
+{
+  "_languageName": "Italiano",
+
+  "Page.Library": "Libreria",
+  "Page.Options": "Opzioni",
+  "Page.GameCount.One": "1 gioco",
+  "Page.GameCount.Other": "{0} giochi",
+
+  "Library.SearchWatermark": "Cerca nella libreria…",
+  "Library.AddFolder": "＋ Aggiungi cartella",
+  "Library.Rescan": "⟳ Riscansiona",
+  "Library.OpenFile": "Apri file…",
+
+  "Library.Context.Launch": "Avvia",
+  "Library.Context.OpenFolder": "Apri cartella gioco",
+  "Library.Context.CopyPath": "Copia percorso",
+  "Library.Context.CopyTitleId": "Copia ID titolo",
+  "Library.Context.Remove": "Rimuovi dalla libreria",
+
+  "Library.Empty.Title": "La tua libreria è vuota",
+  "Library.Empty.Hint": "Aggiungi la cartella che contiene i tuoi giochi per partire.",
+  "Library.Empty.SearchTitle": "Nessun gioco corrisponde alla ricerca",
+  "Library.Empty.SearchHint": "Nulla nella libreria corrisponde a “{0}”.",
+  "Library.Empty.AddFolder": "＋ Aggiungi cartella giochi",
+
+  "Library.Loading": "Caricamento libreria…",
+
+  "Options.General": "Generale",
+  "Options.Section.Emulation": "EMULAZIONE",
+  "Options.Section.Logging": "LOG",
+  "Options.Section.Launcher": "LAUNCHER",
+
+  "Options.CpuEngine.Label": "CPU engine",
+  "Options.CpuEngine.Desc": "Motore di esecuzione utilizzato per eseguire il codice del gioco.",
+  "Options.CpuEngine.Native": "Nativo",
+
+  "Options.Strict.Label": "Risoluzione rigorosa dynlib",
+  "Options.Strict.Desc": "Interrompi l'avvio quando un simbolo importato non può essere trovato.",
+
+  "Options.LogLevel.Label": "Livello Log",
+  "Options.LogLevel.Desc": "Livello di dettaglio dell'output console dell'emulatore.",
+  "Options.LogLevel.Trace": "Trace",
+  "Options.LogLevel.Debug": "Debug",
+  "Options.LogLevel.Info": "Info",
+  "Options.LogLevel.Warning": "Warning",
+  "Options.LogLevel.Error": "Error",
+  "Options.LogLevel.Critical": "Critical",
+
+  "Options.TraceImports.Label": "Limite tracciamento import",
+  "Options.TraceImports.Desc": "Traccia i primi N import per modulo (0 = disattivato).",
+
+
+  "Options.LogToFile.Label": "Salva log su file",
+  "Options.LogToFile.Desc": "Duplica l'output dell'emulatore in un file di log.",
+
+
+  "Options.LogFilePath.Label": "Percorso file di log",
+  "Options.LogFilePath.Default": "Nessun percorso personalizzato — i log vengono salvati in user/logs accanto all'emulatore.",
+  "Options.LogFilePath.Select": "Seleziona…",
+
+  "Options.OverrideLogFile.Label": "Sovrascrivi file di log",
+  "Options.OverrideLogFile.Desc": "Usa esattamente il percorso specificato invece di aggiungere Title ID e timestamp.",
+
+
+  "Options.TitleMusic.Label": "Musica del titolo",
+  "Options.TitleMusic.Desc": "Riproduci in loop la musica di anteprima del gioco selezionato nella libreria.",
+
+  "Options.Discord.Label": "Presenza Discord",
+  "Options.Discord.Desc": "Mostra il gioco in esecuzione sul tuo profilo Discord.",
+
+  "Options.Language.Label": "Lingua dell'emulatore",
+  "Options.Language.Desc": "Lingua utilizzata in tutto il launcher. Viene applicata immediatamente.",
+
+  "Common.On": "On",
+  "Common.Off": "Off",
+
+  "Console.Title": "CONSOLE",
+  "Console.SearchWatermark": "Cerca...",
+  "Console.AutoScroll": "Scorrimento automatico",
+  "Console.Split": "Dividi",
+  "Console.Copy": "Copia",
+  "Console.Clear": "Cancella",
+  "Console.WindowTitle": "Console SharpEmu",
+
+  "Launch.NoGameSelected": "Nessun gioco selezionato",
+  "Launch.NoGameHint": "Scegli un gioco dalla libreria, oppure apri direttamente un eboot.bin.",
+  "Launch.Idle": "Inattivo",
+  "Launch.Console": "≡ Console",
+  "Launch.Launch": "▶  Avvia",
+  "Launch.Stop": "■  Ferma",
+  "Launch.Running": "In esecuzione — {0}",
+  "Launch.Stopping": "Arresto in corso…",
+  "Launch.Exited": "Terminato con codice {0} ({1})",
+  "Launch.ExeNotFound": "Eseguibile SharpEmu non trovato. Compila prima il progetto SharpEmu.CLI (dotnet build).",
+  "Launch.LogFile": "File di log: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Impossibile avviare l'emulatore: {0}",
+  "Launch.ProcessExited": "Processo terminato con codice {0} ({1}).",
+
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "argomenti non validi",
+  "Exit.EbootNotFound": "eboot non trovato",
+  "Exit.RuntimeException": "errore di runtime",
+  "Exit.EmulationError": "errore di emulazione",
+  "Exit.Unknown": "sconosciuto",
+
+  
+  "Status.EmulatorLocating": "Emulatore: ricerca in corso…",
+  "Status.EmulatorPath": "Emulatore: {0}",
+  "Status.EmulatorNotFound": "Emulatore: eseguibile SharpEmu non trovato — compila prima SharpEmu.CLI.",
+  "Status.ScanningLibrary": "Scansione della libreria…",
+  "Status.AddFolderPrompt": "Aggiungi una cartella di giochi per popolare la libreria.",
+  "Status.LibraryScanned": "Libreria scansionata: {0} gioco/giochi in {1} cartella/e.",
+  "Status.CouldNotOpenFolder": "Impossibile aprire la cartella: {0}",
+  "Status.CopiedToClipboard": "{0} copiato negli appunti.",
+  "Status.RemovedFromLibrary": "“{0}” rimosso dalla libreria. Riaggiungi la sua cartella per ripristinarlo.",
+  "Status.Running": "In esecuzione: {0}",
+  "Status.Stopping": "Arresto in corso…",
+  "Status.Idle": "Inattivo",
+
+  "Clipboard.Path": "Percorso",
+  "Clipboard.TitleId": "ID Titolo",
+
+  "Discord.Playing": "Sta giocando a {0}",
+  "Discord.Browsing": "Sta esplorando la libreria",
+  
+  "Dialog.ChooseGameFolder": "Scegli una cartella contenente giochi",
+  "Dialog.OpenExecutable": "Apri un eseguibile da avviare",
+  "Dialog.PsExecutables": "Eseguibili PS",
+  "Dialog.SaveLogFile": "Scegli dove salvare il file di log",
+  "Dialog.PlainTextFiles": "File di testo semplice",
+  "Dialog.LogFiles": "File di log"
+}

src/SharpEmu.GUI/MainWindow.axaml.cs

@@ -25,6 +25,7 @@ namespace SharpEmu.GUI;
 public partial class MainWindow : Window
 {
     private const int MaxConsoleLines = 4000;
+    private const int MaxConsoleLinesPerFlush = 500;
 
     private static readonly IBrush DefaultLineBrush = new SolidColorBrush(Color.Parse("#C7CFDE"));
     private static readonly IBrush DimLineBrush = new SolidColorBrush(Color.Parse("#6B7488"));
@@ -1504,7 +1505,8 @@ public partial class MainWindow : Window
         }
 
         var incoming = new List<LogLine>();
-        while (_pendingLines.TryDequeue(out var pending))
+        while (incoming.Count < MaxConsoleLinesPerFlush &&
+               _pendingLines.TryDequeue(out var pending))
         {
             WriteFileLog(pending.Line);
             incoming.Add(new LogLine(pending.Line, BrushForLine(pending.Line)));

src/SharpEmu.Libs/Agc/AgcExports.cs

@@ -120,6 +120,9 @@ public static class AgcExports
     private const uint RegisterDefaultsVersion13 = 13;
     private const int RegisterDefaultsSize = 0x40;
     private const int RegisterDefaultBlockSize = 16 * 8;
+    private const ulong ResourceRegistrationBytesPerResource = 0x118;
+    private const ulong ResourceRegistrationBytesPerOwner = 0x1E0;
+    private const int ResourceRegistrationMaxNameLength = 256;
 
     private const ulong ShaderUserDataOffset = 0x08;
     private const ulong ShaderCodeOffset = 0x10;
@@ -388,9 +391,26 @@ public static class AgcExports
         public SubmittedDcbState Graphics { get; } = new();
         public Dictionary<uint, SubmittedDcbState> ComputeQueues { get; } = new();
         public Dictionary<ulong, ComputeImageWriter> ComputeImageWriters { get; } = new();
+        public Dictionary<uint, string> ResourceOwners { get; } = new();
+        public Dictionary<uint, RegisteredAgcResource> RegisteredResources { get; } = new();
+        public bool ResourceRegistrationInitialized { get; set; }
+        public ulong ResourceRegistrationMemory { get; set; }
+        public ulong ResourceRegistrationMemorySize { get; set; }
+        public uint ResourceRegistrationMaxOwners { get; set; }
+        public uint DefaultOwner { get; set; } = DefaultAgcOwner;
+        public uint NextOwner { get; set; } = 1;
+        public uint NextResource { get; set; } = 1;
         public ulong WorkSequence { get; set; }
     }
 
+    private readonly record struct RegisteredAgcResource(
+        uint Owner,
+        ulong Address,
+        ulong Size,
+        string Name,
+        uint Type,
+        uint Flags);
+
     private readonly record struct RegisterDefaultValue(uint Offset, uint Value);
 
     private readonly record struct RegisterDefaultGroup(
@@ -2120,12 +2140,87 @@ public static class AgcExports
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryWriteUInt32(outAddress, 256))
+        if (!ctx.TryWriteUInt32(outAddress, ResourceRegistrationMaxNameLength))
         {
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
 
-        TraceAgc($"agc.driver_get_resource_registration_max_name_length out=0x{outAddress:X16} value=256");
+        TraceAgc(
+            $"agc.driver_get_resource_registration_max_name_length " +
+            $"out=0x{outAddress:X16} value={ResourceRegistrationMaxNameLength}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "AOLcoIkQDgM",
+        ExportName = "sceAgcDriverQueryResourceRegistrationUserMemoryRequirements",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverQueryResourceRegistrationUserMemoryRequirements(CpuContext ctx)
+    {
+        var sizeAddress = ctx[CpuRegister.Rdi];
+        var resourceCount = ctx[CpuRegister.Rsi];
+        var ownerCount = ctx[CpuRegister.Rdx];
+        if (sizeAddress == 0 || resourceCount == 0 || ownerCount == 0)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        ulong requiredSize;
+        try
+        {
+            requiredSize = checked(
+                resourceCount * ResourceRegistrationBytesPerResource +
+                ownerCount * ResourceRegistrationBytesPerOwner);
+        }
+        catch (OverflowException)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        if (!ctx.TryWriteUInt64(sizeAddress, requiredSize))
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
+
+        TraceAgc(
+            $"agc.driver_query_resource_registration_memory resources={resourceCount} " +
+            $"owners={ownerCount} bytes=0x{requiredSize:X}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "F0Y42t-3e18",
+        ExportName = "sceAgcDriverInitResourceRegistration",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverInitResourceRegistration(CpuContext ctx)
+    {
+        var memoryAddress = ctx[CpuRegister.Rdi];
+        var memorySize = ctx[CpuRegister.Rsi];
+        var ownerCount = ctx[CpuRegister.Rdx];
+        if (memoryAddress == 0 || memorySize == 0 || ownerCount == 0 || ownerCount > uint.MaxValue)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        lock (state.Gate)
+        {
+            state.ResourceRegistrationInitialized = true;
+            state.ResourceRegistrationMemory = memoryAddress;
+            state.ResourceRegistrationMemorySize = memorySize;
+            state.ResourceRegistrationMaxOwners = (uint)ownerCount;
+            state.ResourceOwners.Clear();
+            state.RegisteredResources.Clear();
+            state.DefaultOwner = DefaultAgcOwner;
+            state.NextOwner = 1;
+            state.NextResource = 1;
+        }
+
+        TraceAgc(
+            $"agc.driver_init_resource_registration memory=0x{memoryAddress:X16} " +
+            $"bytes=0x{memorySize:X} owners={ownerCount}");
         return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
@@ -2144,12 +2239,97 @@ public static class AgcExports
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryWriteUInt32(ownerAddress, DefaultAgcOwner))
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        uint owner;
+        lock (state.Gate)
+        {
+            owner = state.DefaultOwner;
+        }
+
+        if (!ctx.TryWriteUInt32(ownerAddress, owner))
         {
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
 
-        TraceAgc($"agc.driver_get_default_owner out=0x{ownerAddress:X16} owner={DefaultAgcOwner}");
+        TraceAgc($"agc.driver_get_default_owner out=0x{ownerAddress:X16} owner={owner}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "U9ueyEhSkF4",
+        ExportName = "sceAgcDriverRegisterDefaultOwner",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverRegisterDefaultOwner(CpuContext ctx)
+    {
+        var owner = (uint)ctx[CpuRegister.Rdi];
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        lock (state.Gate)
+        {
+            state.DefaultOwner = owner;
+        }
+
+        TraceAgc($"agc.driver_register_default_owner owner={owner}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "X-Nm5KLREeg",
+        ExportName = "sceAgcDriverRegisterOwner",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverRegisterOwner(CpuContext ctx)
+    {
+        var ownerAddress = ctx[CpuRegister.Rdi];
+        var nameAddress = ctx[CpuRegister.Rsi];
+        if (ownerAddress == 0 || nameAddress == 0 ||
+            !TryReadGuestCString(
+                ctx,
+                nameAddress,
+                ResourceRegistrationMaxNameLength,
+                out var nameBytes))
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        uint owner;
+        lock (state.Gate)
+        {
+            if (!state.ResourceRegistrationInitialized ||
+                state.ResourceRegistrationMaxOwners != 0 &&
+                state.ResourceOwners.Count >= state.ResourceRegistrationMaxOwners)
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+
+            owner = state.NextOwner;
+            while (owner == state.DefaultOwner || state.ResourceOwners.ContainsKey(owner))
+            {
+                owner++;
+                if (owner == 0)
+                {
+                    return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+                }
+            }
+
+            state.NextOwner = owner + 1;
+            state.ResourceOwners.Add(owner, System.Text.Encoding.UTF8.GetString(nameBytes));
+        }
+
+        if (!ctx.TryWriteUInt32(ownerAddress, owner))
+        {
+            lock (state.Gate)
+            {
+                state.ResourceOwners.Remove(owner);
+            }
+
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
+
+        TraceAgc(
+            $"agc.driver_register_owner out=0x{ownerAddress:X16} owner={owner} " +
+            $"name={System.Text.Encoding.UTF8.GetString(nameBytes)}");
         return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
@@ -2160,19 +2340,90 @@ public static class AgcExports
     LibraryName = "libSceAgc")]
     public static int DriverRegisterResource(CpuContext ctx)
     {
-        var resourceAddress = ctx[CpuRegister.Rdi];
+        var resourceHandleAddress = ctx[CpuRegister.Rdi];
         var owner = (uint)ctx[CpuRegister.Rsi];
-        var nameAddress = ctx[CpuRegister.Rdx];
-        var type = (uint)ctx[CpuRegister.R8];
-        var flags = (uint)ctx[CpuRegister.R9];
+        var resourceAddress = ctx[CpuRegister.Rdx];
+        var resourceSize = ctx[CpuRegister.Rcx];
+        var nameAddress = ctx[CpuRegister.R8];
+        var type = (uint)ctx[CpuRegister.R9];
+        if (resourceHandleAddress == 0 || resourceAddress == 0 || resourceSize == 0 ||
+            !ctx.TryReadUInt32(ctx[CpuRegister.Rsp] + sizeof(ulong), out var flags) ||
+            !TryReadGuestCString(
+                ctx,
+                nameAddress,
+                ResourceRegistrationMaxNameLength,
+                out var nameBytes))
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        uint resourceHandle;
+        lock (state.Gate)
+        {
+            if (!state.ResourceRegistrationInitialized ||
+                owner != state.DefaultOwner &&
+                !state.ResourceOwners.ContainsKey(owner))
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+
+            resourceHandle = state.NextResource++;
+            if (resourceHandle == 0)
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+
+            state.RegisteredResources.Add(
+                resourceHandle,
+                new RegisteredAgcResource(
+                    owner,
+                    resourceAddress,
+                    resourceSize,
+                    System.Text.Encoding.UTF8.GetString(nameBytes),
+                    type,
+                    flags));
+        }
+
+        if (!ctx.TryWriteUInt32(resourceHandleAddress, resourceHandle))
+        {
+            lock (state.Gate)
+            {
+                state.RegisteredResources.Remove(resourceHandle);
+            }
+
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
 
         TraceAgc(
-            $"agc.driver_register_resource resource=0x{resourceAddress:X16} owner={owner} " +
-            $"name=0x{nameAddress:X16} type={type} flags={flags}");
+            $"agc.driver_register_resource handle={resourceHandle} owner={owner} " +
+            $"resource=0x{resourceAddress:X16} bytes=0x{resourceSize:X} " +
+            $"name={System.Text.Encoding.UTF8.GetString(nameBytes)} type={type} flags={flags}");
 
         return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
+    [SysAbiExport(
+        Nid = "pWLG7WOpVcw",
+        ExportName = "sceAgcDriverUnregisterResource",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverUnregisterResource(CpuContext ctx)
+    {
+        var resourceHandle = (uint)ctx[CpuRegister.Rdi];
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        lock (state.Gate)
+        {
+            if (!state.RegisteredResources.Remove(resourceHandle))
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+        }
+
+        TraceAgc($"agc.driver_unregister_resource handle={resourceHandle}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
     [SysAbiExport(
     Nid = "-KRzWekV120",
     ExportName = "sceAgcDriverUnknown_KRzWekV120",
@@ -4250,7 +4501,7 @@ public static class AgcExports
         var localSizeZ = GetComputeLocalSize(state.ShRegisters, ComputeNumThreadZ);
         var gpuDispatch = false;
         var computeError = string.Empty;
-        if (hasStorageBinding &&
+        if ((hasStorageBinding || evaluation.GlobalMemoryBindings.Count != 0) &&
             (ulong)localSizeX * localSizeY * localSizeZ <= 1024)
         {
             var shaderKey = (
@@ -4320,7 +4571,8 @@ public static class AgcExports
                     $"groups={dispatch.GroupCountX}x{dispatch.GroupCountY}x{dispatch.GroupCountZ} " +
                     $"local={localSizeX}x{localSizeY}x{localSizeZ} " +
                     $"sys={DescribeComputeSystemRegisters(computeSystemRegisters)} " +
-                    $"gpu={gpuDispatch} blits={blitCount}" +
+                    $"gpu={gpuDispatch} blits={blitCount} " +
+                    $"globals={evaluation.GlobalMemoryBindings.Count}" +
                     (computeError.Length == 0 ? string.Empty : $" error={computeError}") +
                     $" bindings=[{string.Join(',', descriptions)}]");
             }

src/SharpEmu.Libs/Agc/Gen5SpirvTranslator.Alu.cs

@@ -396,6 +396,14 @@ internal static partial class Gen5SpirvTranslator
                             _module.Constant64(_ulongType, 32)));
                     break;
                 }
+                case "VBcntU32B32":
+                    result = IAdd(
+                        _module.AddInstruction(
+                            SpirvOp.BitCount,
+                            _uintType,
+                            GetRawSource(instruction, 0)),
+                        GetRawSource(instruction, 1));
+                    break;
                 case "VMadU32U24":
                 {
                     var left = BitwiseAnd(
@@ -593,6 +601,18 @@ internal static partial class Gen5SpirvTranslator
                         Ext(38, _uintType, high, right));
                     break;
                 }
+                case "VSadU32":
+                {
+                    var left = GetRawSource(instruction, 0);
+                    var right = GetRawSource(instruction, 1);
+                    var difference = _module.AddInstruction(
+                        SpirvOp.ISub,
+                        _uintType,
+                        Ext(41, _uintType, left, right),
+                        Ext(38, _uintType, left, right));
+                    result = IAdd(difference, GetRawSource(instruction, 2));
+                    break;
+                }
                 case "VMed3I32":
                 {
                     var left = Bitcast(_intType, GetRawSource(instruction, 0));
@@ -702,6 +722,14 @@ internal static partial class Gen5SpirvTranslator
                     result = Ext(58, _uintType, vector);
                     break;
                 }
+                case "VCvtPkU16U32":
+                case "VCvtPkI16I32":
+                    result = BitwiseOr(
+                        BitwiseAnd(GetRawSource(instruction, 0), UInt(0xFFFF)),
+                        ShiftLeftLogical(
+                            BitwiseAnd(GetRawSource(instruction, 1), UInt(0xFFFF)),
+                            UInt(16)));
+                    break;
                 default:
                     error = $"unsupported vector opcode {instruction.Opcode}";
                     return false;
@@ -1303,6 +1331,43 @@ internal static partial class Gen5SpirvTranslator
                             Store(_scc, IsNotZero(result));
                             break;
                         }
+                        case "SAbsdiffI32":
+                        {
+                            var wideLeft = _module.AddInstruction(
+                                SpirvOp.SConvert,
+                                _longType,
+                                Bitcast(_intType, left));
+                            var wideRight = _module.AddInstruction(
+                                SpirvOp.SConvert,
+                                _longType,
+                                Bitcast(_intType, right));
+                            var difference = _module.AddInstruction(
+                                SpirvOp.ISub,
+                                _longType,
+                                wideLeft,
+                                wideRight);
+                            result = _module.AddInstruction(
+                                SpirvOp.UConvert,
+                                _uintType,
+                                Ext(5, _longType, difference));
+                            Store(_scc, IsNotZero(result));
+                            break;
+                        }
+                        case "SPackLlB32B16":
+                            result = BitwiseOr(
+                                BitwiseAnd(left, UInt(0xFFFF)),
+                                ShiftLeftLogical(right, UInt(16)));
+                            break;
+                        case "SPackLhB32B16":
+                            result = BitwiseOr(
+                                BitwiseAnd(left, UInt(0xFFFF)),
+                                BitwiseAnd(right, UInt(0xFFFF0000)));
+                            break;
+                        case "SPackHhB32B16":
+                            result = BitwiseOr(
+                                ShiftRightLogical(left, UInt(16)),
+                                BitwiseAnd(right, UInt(0xFFFF0000)));
+                            break;
                         case "SCselectB32":
                             result = _module.AddInstruction(
                                 SpirvOp.Select,

src/SharpEmu.Libs/Ajm/AjmExports.cs

@@ -0,0 +1,37 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+
+namespace SharpEmu.Libs.Ajm;
+
+public static class AjmExports
+{
+    private const int OrbisAjmErrorInvalidParameter = unchecked((int)0x80930005);
+    private static int _nextContextId;
+
+    [SysAbiExport(
+        Nid = "dl+4eHSzUu4",
+        ExportName = "sceAjmInitialize",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAjm")]
+    public static int Initialize(CpuContext ctx)
+    {
+        var reserved = ctx[CpuRegister.Rdi];
+        var outContextAddress = ctx[CpuRegister.Rsi];
+
+        // AJM requires a zero reserved argument.
+        if (reserved != 0 || outContextAddress == 0)
+        {
+            return ctx.SetReturn(OrbisAjmErrorInvalidParameter);
+        }
+
+        var contextId = unchecked((uint)Interlocked.Increment(ref _nextContextId));
+        if (!ctx.TryWriteUInt32(outContextAddress, contextId))
+        {
+            return ctx.SetReturn(OrbisAjmErrorInvalidParameter);
+        }
+
+        return ctx.SetReturn(0);
+    }
+}

src/SharpEmu.Libs/Audio/AudioOut2Exports.cs

@@ -202,7 +202,7 @@ public static class AudioOut2Exports
     {
         var userId = unchecked((int)ctx[CpuRegister.Rdi]);
         var outUserAddress = ctx[CpuRegister.Rsi];
-        if ((userId != 0 && userId != 1 && userId != 255) || outUserAddress == 0)
+        if ((userId != 0 && userId != 1 && userId != 1000 && userId != 255) || outUserAddress == 0)
         {
             return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }

src/SharpEmu.Libs/HostTimerResolution.cs

@@ -0,0 +1,46 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace SharpEmu.Libs;
+
+public static class HostTimerResolution
+{
+    private const uint TargetPeriodMilliseconds = 1;
+
+    private static int _requested;
+
+    public static void Request()
+    {
+        if (Interlocked.Exchange(ref _requested, 1) != 0)
+        {
+            return;
+        }
+
+        if (!OperatingSystem.IsWindows())
+        {
+            return;
+        }
+
+        try
+        {
+            if (TimeBeginPeriod(TargetPeriodMilliseconds) != 0)
+            {
+                Console.Error.WriteLine(
+                    "[LOADER][WARN] Host timer resolution request rejected; " +
+                    "timed waits keep the default ~15.6 ms granularity.");
+            }
+        }
+        catch (DllNotFoundException exception)
+        {
+            Console.Error.WriteLine(
+                $"[LOADER][WARN] Host timer resolution unavailable: {exception.Message}");
+        }
+    }
+
+    [SupportedOSPlatform("windows")]
+    [DllImport("winmm.dll", EntryPoint = "timeBeginPeriod", ExactSpelling = true)]
+    private static extern uint TimeBeginPeriod(uint uPeriod);
+}

src/SharpEmu.Libs/Json/JsonExports.cs

@@ -78,6 +78,58 @@ public static class JsonExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "WSOuge5IsCg",
+        ExportName = "_ZN3sce4Json14InitParameter2C1Ev",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int InitParameter2Constructor(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("InitParameter2.ctor", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "I2QC8PYhJWY",
+        ExportName = "_ZN3sce4Json14InitParameter212setAllocatorEPNS0_12MemAllocatorEPv",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int InitParameter2SetAllocator(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("InitParameter2.setAllocator", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "Eu95jmqn5Rw",
+        ExportName = "_ZN3sce4Json14InitParameter217setFileBufferSizeEm",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int InitParameter2SetFileBufferSize(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("InitParameter2.setFileBufferSize", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "IXW-z8pggfg",
+        ExportName = "_ZN3sce4Json11Initializer10initializeEPKNS0_14InitParameter2E",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int Initializer2Constructor(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("Initializer2.ctor", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     private static void TraceJson(string operation, ulong thisAddress, ulong argument)
     {
         if (!string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_JSON"), "1", StringComparison.Ordinal))

src/SharpEmu.Libs/Kernel/KernelAprCompatExports.cs

@@ -80,14 +80,8 @@ public static class KernelAprCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
-        var resultAddress = ResolveWaitResultAddress(waitArg1, waitArg2, submission.ResultAddress);
-        if (resultAddress != 0 && !TryWriteAprResult(ctx, resultAddress))
-        {
-            TraceAprWaitFailure(ctx, "wait_result_fault", submissionId, submission.CommandBuffer, waitArg1, waitArg2);
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
-        }
-
-        TraceApr(ctx, "wait", submissionId, submission.CommandBuffer, waitArg1, resultAddress);
+        // Completion output was written when the command was submitted.
+        TraceApr(ctx, "wait", submissionId, submission.CommandBuffer, waitArg1, waitArg2);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
@@ -169,27 +163,6 @@ public static class KernelAprCompatExports
         return ctx.Memory.TryWrite(resultAddress, result);
     }
 
-    private static ulong ResolveWaitResultAddress(ulong waitArg1, ulong waitArg2, ulong submittedResultAddress)
-    {
-        if (waitArg2 == 0)
-        {
-            return submittedResultAddress;
-        }
-
-        if (IsAmprCompletionToken(waitArg1) && waitArg2 <= 0xFFFF)
-        {
-            return submittedResultAddress;
-        }
-
-        return waitArg2;
-    }
-
-    private static bool IsAmprCompletionToken(ulong value)
-    {
-        var tag = value >> 56;
-        return tag is 0x0C or 0x10;
-    }
-
     private static void TraceApr(
         CpuContext ctx,
         string operation,

src/SharpEmu.Libs/Kernel/KernelEventQueueCompatExports.cs

@@ -11,6 +11,7 @@ public static class KernelEventQueueCompatExports
 {
     private const int KernelEventSize = 0x20;
     public const short KernelEventFilterGraphics = -14;
+    public const short KernelEventFilterUser = -11;
     public const short KernelEventFilterAmpr = -16;
     public const short KernelEventFilterAmprSystem = -17;
 
@@ -89,8 +90,16 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelAddUserEventEdge(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "add_user_edge", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var registered = RegisterEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser,
+            0);
+        TraceEventQueue(ctx, "add_user_edge", handle);
+        return registered
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -100,8 +109,16 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelAddUserEvent(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "add_user", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var registered = RegisterEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser,
+            0);
+        TraceEventQueue(ctx, "add_user", handle);
+        return registered
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -111,8 +128,15 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelDeleteUserEvent(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "delete_user", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var deleted = DeleteRegisteredEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser);
+        TraceEventQueue(ctx, "delete_user", handle);
+        return deleted
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -122,8 +146,18 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelTriggerUserEvent(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "trigger_user", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var triggered = TriggerRegisteredEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser,
+            flags: 0x21,
+            fflags: 0,
+            data: ctx[CpuRegister.Rdx]);
+        TraceEventQueue(ctx, "trigger_user", handle);
+        return triggered
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -475,6 +509,43 @@ public static class KernelEventQueueCompatExports
         return triggeredCount;
     }
 
+    private static bool TriggerRegisteredEvent(
+        ulong handle,
+        ulong ident,
+        short filter,
+        ushort flags,
+        uint fflags,
+        ulong data)
+    {
+        lock (_eventQueueGate)
+        {
+            if (!_registeredEvents.TryGetValue(handle, out var registrations) ||
+                !registrations.TryGetValue((ident, filter), out var registration))
+            {
+                return false;
+            }
+
+            if (!_pendingEvents.TryGetValue(handle, out var queue))
+            {
+                queue = new LinkedList<KernelQueuedEvent>();
+                _pendingEvents[handle] = queue;
+            }
+
+            QueueOrUpdateEvent(
+                queue,
+                new KernelQueuedEvent(
+                    registration.Ident,
+                    registration.Filter,
+                    flags,
+                    fflags,
+                    data,
+                    registration.UserData));
+        }
+
+        WakeEventQueue(handle);
+        return true;
+    }
+
     public static bool TriggerDisplayEvent(
         ulong handle,
         ulong ident,
@@ -656,6 +727,6 @@ public static class KernelEventQueueCompatExports
 
         _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out ulong returnRip);
         Console.Error.WriteLine(
-            $"[LOADER][TRACE] equeue.{operation}: handle=0x{handle:X16} rsi=0x{ctx[CpuRegister.Rsi]:X16} rdx=0x{ctx[CpuRegister.Rdx]:X16} ret=0x{returnRip:X16}");
+            $"[LOADER][TRACE] equeue.{operation}: thread=0x{KernelPthreadState.GetCurrentThreadHandle():X16} handle=0x{handle:X16} rsi=0x{ctx[CpuRegister.Rsi]:X16} rdx=0x{ctx[CpuRegister.Rdx]:X16} ret=0x{returnRip:X16}");
     }
 }

src/SharpEmu.Libs/Kernel/KernelExports.cs

@@ -461,66 +461,10 @@ public static class KernelExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    // Unidentified kernel NIDs observed at runtime; stubbed to return 0 until they are
-    // resolved against scripts/ps5_names.txt.
-    [SysAbiExport(
-        Nid = "9T2pDF2Ryqg",
-        ExportName = "sceKernelUnknown9T2p",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int KernelUnknown9T2p(CpuContext ctx) => SetZeroReturn(ctx);
-
-    [SysAbiExport(
-        Nid = "TU-d9PfIHPM",
-        ExportName = "sceKernelUnknownTU",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int KernelUnknownTU(CpuContext ctx) => SetZeroReturn(ctx);
-
-    [SysAbiExport(
-        Nid = "iWQWrwiSt8A",
-        ExportName = "sceKernelUnknowniWQW",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int KernelUnknowniWQW(CpuContext ctx) => SetZeroReturn(ctx);
-
-    [SysAbiExport(
-        Nid = "KuOmgKoqCdY",
-        ExportName = "sceKernelUnknownKuOmg",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int KernelUnknownKuOmg(CpuContext ctx) => SetZeroReturn(ctx);
-
-    [SysAbiExport(
-        Nid = "RenI1lL1WFk",
-        ExportName = "sceKernelUnknownRenI",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int KernelUnknownRenI(CpuContext ctx) => SetZeroReturn(ctx);
-
-    [SysAbiExport(
-        Nid = "pQGpHYopAIY",
-        ExportName = "sceKernelUnknownpQGp",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int KernelUnknownpQGp(CpuContext ctx) => SetZeroReturn(ctx);
-
-    [SysAbiExport(
-        Nid = "Rbvt+5Y2iEw",
-        ExportName = "sceKernelUnknownRbvt",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int KernelUnknownRbvt(CpuContext ctx) => SetZeroReturn(ctx);
-
     // NOTE: "SHtAad20YYM"/"DIxvoy7Ngvk" are sce::Json::Value::getType/getInteger, and
     // "3GPpjQdAMTw"/"9rAeANT2tyE"/"tsvEmnenz48" are __cxa_guard_acquire/__cxa_guard_release/
     // __cxa_atexit (verified by hashing against scripts/ps5_names.txt). Do not register them
     // here as kernel mutex functions: the cxa guards are implemented in CxxAbiExports.cs and
     // shadowing them breaks every C++ static-init guard in the game.
 
-    private static int SetZeroReturn(CpuContext ctx)
-    {
-        ctx[CpuRegister.Rax] = 0;
-        return 0;
-    }
 }

src/SharpEmu.Libs/Kernel/KernelMemoryCompatExports.cs

@@ -110,6 +110,15 @@ public static class KernelMemoryCompatExports
     private static readonly HashSet<string> _negativeStatCache = new(StringComparer.OrdinalIgnoreCase);
     private static readonly ConcurrentDictionary<string, ulong> _aprFileSizeCache = new(StringComparer.OrdinalIgnoreCase);
     private static long _nextFileDescriptor = 2;
+
+    internal static int AllocateGuestFileDescriptor()
+    {
+        lock (_fdGate)
+        {
+            return (int)Interlocked.Increment(ref _nextFileDescriptor);
+        }
+    }
+
     private static ulong _nextPhysicalAddress;
     private static ulong _nextVirtualAddress;
     private static ulong _mainDirectMemoryPoolBase = UnsetMainDirectMemoryPoolBase;
@@ -469,7 +478,7 @@ public static class KernelMemoryCompatExports
 
     [SysAbiExport(
         Nid = "LHMrG7e8G78",
-        ExportName = "wcslen",
+        ExportName = "wcsmisc",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libc")]
     public static int Wcslen(CpuContext ctx)
@@ -1479,6 +1488,214 @@ public static class KernelMemoryCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "ob5xAW4ln-0",
+        ExportName = "strchr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strchr(CpuContext ctx)
+    {
+        var address = ctx[CpuRegister.Rdi];
+        var needle = unchecked((byte)ctx[CpuRegister.Rsi]);
+        if (address == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        // The terminator counts as part of the scanned range, so strchr(s, '\0')
+        // returns a pointer to the string's null byte just like a native libc.
+        Span<byte> current = stackalloc byte[1];
+        for (ulong index = 0; index < 1_048_576; index++)
+        {
+            if (!TryReadCompat(ctx, address + index, current))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+
+            if (current[0] == needle)
+            {
+                ctx[CpuRegister.Rax] = address + index;
+                return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+            }
+
+            if (current[0] == 0)
+            {
+                break;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "9yDWMxEFdJU",
+        ExportName = "strrchr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strrchr(CpuContext ctx)
+    {
+        var address = ctx[CpuRegister.Rdi];
+        var needle = unchecked((byte)ctx[CpuRegister.Rsi]);
+        if (address == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ulong match = 0;
+        var found = false;
+        Span<byte> current = stackalloc byte[1];
+        for (ulong index = 0; index < 1_048_576; index++)
+        {
+            if (!TryReadCompat(ctx, address + index, current))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+
+            if (current[0] == needle)
+            {
+                match = address + index;
+                found = true;
+            }
+
+            if (current[0] == 0)
+            {
+                break;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = found ? match : 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "8u8lPzUEq+U",
+        ExportName = "memchr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Memchr(CpuContext ctx)
+    {
+        var address = ctx[CpuRegister.Rdi];
+        var needle = unchecked((byte)ctx[CpuRegister.Rsi]);
+        var count = ctx[CpuRegister.Rdx];
+
+        Span<byte> current = stackalloc byte[1];
+        for (ulong index = 0; index < count; index++)
+        {
+            if (!TryReadCompat(ctx, address + index, current))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+
+            if (current[0] == needle)
+            {
+                ctx[CpuRegister.Rax] = address + index;
+                return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "Ls4tzzhimqQ",
+        ExportName = "strcat",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strcat(CpuContext ctx)
+    {
+        var destination = ctx[CpuRegister.Rdi];
+        var source = ctx[CpuRegister.Rsi];
+        if (!TryReadCString(ctx, source, 1_048_576, out var sourceBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (!TryReadCString(ctx, destination, 1_048_576, out var destinationBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        // Overwrite the destination terminator and re-terminate after the copied bytes.
+        var appendAddress = destination + (ulong)destinationBytes.Length;
+        var payload = new byte[sourceBytes.Length + 1];
+        sourceBytes.CopyTo(payload.AsSpan());
+        if (!TryWriteCompat(ctx, appendAddress, payload))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = destination;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "kHg45qPC6f0",
+        ExportName = "strncat",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strncat(CpuContext ctx)
+    {
+        var destination = ctx[CpuRegister.Rdi];
+        var source = ctx[CpuRegister.Rsi];
+        var limit = ctx[CpuRegister.Rdx];
+
+        // Bounding the source read by the count yields strncat's "at most n bytes"
+        // semantics while still stopping early at the source terminator.
+        if (!TryReadCString(ctx, source, limit, out var sourceBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (!TryReadCString(ctx, destination, 1_048_576, out var destinationBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        var appendAddress = destination + (ulong)destinationBytes.Length;
+        var payload = new byte[sourceBytes.Length + 1];
+        sourceBytes.CopyTo(payload.AsSpan());
+        if (!TryWriteCompat(ctx, appendAddress, payload))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = destination;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "viiwFMaNamA",
+        ExportName = "strstr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strstr(CpuContext ctx)
+    {
+        var haystack = ctx[CpuRegister.Rdi];
+        var needle = ctx[CpuRegister.Rsi];
+        if (!TryReadCString(ctx, haystack, 1_048_576, out var haystackBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (!TryReadCString(ctx, needle, 1_048_576, out var needleBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        // An empty needle matches at the start of the haystack.
+        if (needleBytes.Length == 0)
+        {
+            ctx[CpuRegister.Rax] = haystack;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        var matchIndex = haystackBytes.AsSpan().IndexOf(needleBytes.AsSpan());
+        ctx[CpuRegister.Rax] = matchIndex >= 0 ? haystack + (ulong)matchIndex : 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     [SysAbiExport(
         Nid = "QrZZdJ8XsX0",
         ExportName = "fputs",
@@ -1555,9 +1772,10 @@ public static class KernelMemoryCompatExports
                     return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
                 }
 
-                var directoryFd = (int)Interlocked.Increment(ref _nextFileDescriptor);
+                int directoryFd;
                 lock (_fdGate)
                 {
+                    directoryFd = AllocateGuestFileDescriptor();
                     _openDirectories[directoryFd] = new OpenDirectory
                     {
                         Path = hostPath,
@@ -1578,9 +1796,10 @@ public static class KernelMemoryCompatExports
                 stream.Seek(0, SeekOrigin.End);
             }
 
-            var fd = (int)Interlocked.Increment(ref _nextFileDescriptor);
+            int fd;
             lock (_fdGate)
             {
+                fd = AllocateGuestFileDescriptor();
                 _openFiles[fd] = stream;
             }
 
@@ -1672,6 +1891,30 @@ public static class KernelMemoryCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "E6ao34wPw+U",
+        ExportName = "stat",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixStat(CpuContext ctx)
+    {
+        var result = KernelStat(ctx);
+        if (result == (int)OrbisGen2Result.ORBIS_GEN2_OK)
+        {
+            return 0;
+        }
+
+        var errno = result switch
+        {
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT => Einval,
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT => Efault,
+            _ => 2,
+        };
+        KernelRuntimeCompatExports.TrySetErrno(ctx, errno);
+        ctx[CpuRegister.Rax] = ulong.MaxValue;
+        return -1;
+    }
+
     [SysAbiExport(
         Nid = "gEpBkcwxUjw",
         ExportName = "sceKernelAprResolveFilepathsToIdsAndFileSizes",
@@ -1953,6 +2196,12 @@ public static class KernelMemoryCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_OK;
         }
 
+        if (KernelSocketCompatExports.TryCloseSocketFd(fd))
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
         FileStream? stream;
         lock (_fdGate)
         {
@@ -1996,6 +2245,17 @@ public static class KernelMemoryCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_OK;
         }
 
+        if (KernelSocketCompatExports.TryReadSocketFd(ctx, fd, bufferAddress, requested, out var socketBytesRead, out var socketError))
+        {
+            if (socketError != OrbisGen2Result.ORBIS_GEN2_OK)
+            {
+                return (int)socketError;
+            }
+
+            ctx[CpuRegister.Rax] = socketBytesRead;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
         FileStream? stream;
         lock (_fdGate)
         {
@@ -2225,6 +2485,17 @@ public static class KernelMemoryCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_OK;
         }
 
+        if (KernelSocketCompatExports.TryWriteSocketFd(ctx, fd, payload, out var socketError))
+        {
+            if (socketError != OrbisGen2Result.ORBIS_GEN2_OK)
+            {
+                return (int)socketError;
+            }
+
+            ctx[CpuRegister.Rax] = unchecked((ulong)requested);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
         FileStream? stream;
         lock (_fdGate)
         {
@@ -2974,7 +3245,7 @@ public static class KernelMemoryCompatExports
 
     [SysAbiExport(
         Nid = "4h6F1LLbTiw",
-        ExportName = "sceKernelMapFlexibleMemoryInternal",
+        ExportName = "sceKernelMapNamedFlexibleMemoryInternal",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
     public static int KernelMapFlexibleMemoryInternal(CpuContext ctx)
@@ -3441,6 +3712,18 @@ public static class KernelMemoryCompatExports
         return true;
     }
 
+    internal static bool TryFormatStringFromVaList(CpuContext ctx, string format, ulong vaListAddress, out string rendered)
+    {
+        if (!TryCreateVaListCursor(ctx, vaListAddress, out var vaCursor))
+        {
+            rendered = format;
+            return false;
+        }
+
+        rendered = FormatString(ctx, format, ref vaCursor);
+        return true;
+    }
+
     private static int WriteSnprintfOutput(
         CpuContext ctx,
         ulong destination,
@@ -3914,7 +4197,7 @@ public static class KernelMemoryCompatExports
                             _ => unchecked((int)argumentSource.NextGpArg())
                         };
 
-                        var formatted = value.ToString();
+                        var formatted = value.ToString(CultureInfo.InvariantCulture);
                         if (showSign && value >= 0)
                             formatted = "+" + formatted;
                         else if (spaceForSign && value >= 0)
@@ -3938,7 +4221,7 @@ public static class KernelMemoryCompatExports
                             _ => (uint)argumentSource.NextGpArg()
                         };
 
-                        var formatted = value.ToString();
+                        var formatted = value.ToString(CultureInfo.InvariantCulture);
                         sb.Append(PadString(formatted, width, leftAlign, padWithZero && !leftAlign));
                     }
                     break;
@@ -3959,8 +4242,8 @@ public static class KernelMemoryCompatExports
                         };
 
                         var formatted = specifier == 'x'
-                            ? value.ToString("x")
-                            : value.ToString("X");
+                            ? value.ToString("x", CultureInfo.InvariantCulture)
+                            : value.ToString("X", CultureInfo.InvariantCulture);
 
                         if (alternateForm && value != 0)
                             formatted = specifier == 'x' ? "0x" + formatted : "0X" + formatted;
@@ -4068,7 +4351,10 @@ public static class KernelMemoryCompatExports
                         var formatStr = precision >= 0
                             ? $"{{0:{specifier}{precision}}}"
                             : $"{{0:{specifier}}}";
-                        var formatted = string.Format(formatStr, value);
+                        var formatted = string.Format(
+                            CultureInfo.InvariantCulture,
+                            formatStr,
+                            value);
 
                         if (showSign && value >= 0)
                             formatted = "+" + formatted;

src/SharpEmu.Libs/Kernel/KernelPthreadCompatExports.cs

@@ -3,6 +3,7 @@
 
 using System.Collections.Concurrent;
 using SharpEmu.HLE;
+using SharpEmu.Libs.Fiber;
 using System.Diagnostics.CodeAnalysis;
 
 namespace SharpEmu.Libs.Kernel;
@@ -44,6 +45,8 @@ public static class KernelPthreadCompatExports
     // type initializer that first runs on a guest thread and fail-fasts the CLR.
     private static long _nextMutexWakeId;
     private static long _nextCondWakeId;
+    private static readonly ConcurrentDictionary<ulong, long> _posixTimedWaitCounts = new();
+    private static readonly ConcurrentDictionary<ulong, byte> _reportedContendedMutexes = new();
 
     private sealed class PthreadMutexState
     {
@@ -137,7 +140,7 @@ public static class KernelPthreadCompatExports
         LibraryName = "libKernel")]
     public static int PthreadYield(CpuContext ctx)
     {
-        _ = ctx;
+        GuestThreadExecution.Scheduler?.Pump(ctx, "scePthreadYield");
         Thread.Yield();
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
@@ -351,29 +354,95 @@ public static class KernelPthreadCompatExports
         LibraryName = "libKernel")]
     public static int PosixPthreadCondTimedwait(CpuContext ctx)
     {
-        // POSIX passes `const struct timespec *abstime` (absolute deadline), not relative microseconds (#113).
-        var abstimeAddress = ctx[CpuRegister.Rdx];
-        if (abstimeAddress == 0)
+        var absoluteTimeAddress = ctx[CpuRegister.Rdx];
+        if (absoluteTimeAddress == 0 ||
+            !ctx.TryReadUInt64(absoluteTimeAddress, out var secondsRaw) ||
+            !ctx.TryReadUInt64(absoluteTimeAddress + sizeof(ulong), out var nanosecondsRaw))
         {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryReadUInt64(abstimeAddress, out var deadlineSeconds) ||
-            !ctx.TryReadUInt64(abstimeAddress + 8, out var deadlineNanoseconds))
+        var deadlineSeconds = unchecked((long)secondsRaw);
+        var deadlineNanoseconds = unchecked((long)nanosecondsRaw);
+        if (deadlineSeconds < 0 || deadlineNanoseconds is < 0 or >= 1_000_000_000)
         {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        var nowMicroseconds = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() * 1000L;
-        var deadlineMicroseconds =
-            deadlineSeconds >= long.MaxValue / 1_000_000UL
-                ? long.MaxValue
-                : (long)(deadlineSeconds * 1_000_000UL + Math.Min(deadlineNanoseconds, 999_999_999UL) / 1000UL);
-        var remainingMicroseconds = deadlineMicroseconds - nowMicroseconds;
-        var timeoutUsec = remainingMicroseconds <= 0
-            ? 1u
-            : (uint)Math.Min(remainingMicroseconds, uint.MaxValue);
-        return PthreadCondWaitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi], timed: true, timeoutUsec: timeoutUsec);
+        long nowSeconds;
+        long nowNanoseconds;
+        if (deadlineSeconds >= 1_000_000_000)
+        {
+            var now = DateTimeOffset.UtcNow;
+            nowSeconds = now.ToUnixTimeSeconds();
+            nowNanoseconds = (now.Ticks % TimeSpan.TicksPerSecond) * 100;
+        }
+        else
+        {
+            // Engine condition variables use monotonic deadlines.
+            KernelRuntimeCompatExports.GetProcessMonotonicTime(out nowSeconds, out nowNanoseconds);
+        }
+
+        var remainingNanoseconds =
+            ((Int128)deadlineSeconds * 1_000_000_000 + deadlineNanoseconds) -
+            ((Int128)nowSeconds * 1_000_000_000 + nowNanoseconds);
+        var timeoutUsec = remainingNanoseconds <= 0
+            ? 0u
+            : (uint)Int128.Min(uint.MaxValue, (remainingNanoseconds + 999) / 1_000);
+
+        TracePosixTimedWait(
+            ctx,
+            deadlineSeconds,
+            deadlineNanoseconds,
+            nowSeconds,
+            nowNanoseconds,
+            remainingNanoseconds,
+            timeoutUsec);
+
+        return PthreadCondWaitCore(
+            ctx,
+            ctx[CpuRegister.Rdi],
+            ctx[CpuRegister.Rsi],
+            timed: true,
+            timeoutUsec,
+            posixResult: true);
+    }
+
+    private static void TracePosixTimedWait(
+        CpuContext ctx,
+        long deadlineSeconds,
+        long deadlineNanoseconds,
+        long nowSeconds,
+        long nowNanoseconds,
+        Int128 remainingNanoseconds,
+        uint timeoutUsec)
+    {
+        var condAddress = ctx[CpuRegister.Rdi];
+        var count = _posixTimedWaitCounts.AddOrUpdate(condAddress, 1, static (_, current) => current + 1);
+        if (count != 1 && count % 1_000_000 != 0)
+        {
+            return;
+        }
+
+        _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out var returnRip);
+        Console.Error.WriteLine(
+            $"[LOADER][DIAG] pthread_cond_timedwait#{count}: thread=0x{KernelPthreadState.GetCurrentThreadHandle():X16} " +
+            $"cond=0x{condAddress:X16} mutex=0x{ctx[CpuRegister.Rsi]:X16} abstime=0x{ctx[CpuRegister.Rdx]:X16} " +
+            $"deadline={deadlineSeconds}.{deadlineNanoseconds:D9} now={nowSeconds}.{nowNanoseconds:D9} " +
+            $"remaining_ns={remainingNanoseconds} timeout_us={timeoutUsec} ret=0x{returnRip:X16}");
+
+        if (GuestThreadExecution.Scheduler is not { } scheduler)
+        {
+            return;
+        }
+
+        foreach (var snapshot in scheduler.SnapshotThreads())
+        {
+            Console.Error.WriteLine(
+                $"[LOADER][DIAG] guest_thread handle=0x{snapshot.ThreadHandle:X16} name='{snapshot.Name}' " +
+                $"state={snapshot.State} imports={snapshot.ImportCount} nid={snapshot.LastImportNid ?? "none"} " +
+                $"ret=0x{snapshot.LastReturnRip:X16} block={snapshot.BlockReason ?? "none"}");
+        }
     }
 
     [SysAbiExport(
@@ -654,11 +723,12 @@ public static class KernelPthreadCompatExports
         var acquired = state.Semaphore.Wait(0);
         if (!acquired)
         {
+            TraceContendedMutex(ctx, mutexAddress, resolvedAddress, state, currentThreadId);
             var waiter = new PthreadMutexWaiter { ThreadId = currentThreadId };
-            // Cooperative deschedule on a contended lock corrupts fiber state
-            // (Demon's Souls sceFiberSwitch -> ESRCH). Off by default: fall through to the
-            // synchronous host-thread wait below.
-            if (_enableMutexLockBlocking &&
+            // Fibers retain the synchronous fallback to preserve switch state.
+            var currentFiber = FiberExports.GetCurrentFiberAddressForDiagnostics(ctx);
+            var canCooperativelyBlock = _enableMutexLockBlocking || currentFiber == 0;
+            if (canCooperativelyBlock &&
                 !tryOnly &&
                 GuestThreadExecution.IsGuestThread &&
                 GuestThreadExecution.TryGetCurrentImportCallFrame(out _) &&
@@ -697,6 +767,53 @@ public static class KernelPthreadCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    private static void TraceContendedMutex(
+        CpuContext ctx,
+        ulong mutexAddress,
+        ulong resolvedAddress,
+        PthreadMutexState state,
+        ulong currentThreadId)
+    {
+        if (!_reportedContendedMutexes.TryAdd(resolvedAddress, 0))
+        {
+            return;
+        }
+
+        ulong ownerThreadId;
+        int recursionCount;
+        int type;
+        lock (state)
+        {
+            ownerThreadId = state.OwnerThreadId;
+            recursionCount = state.RecursionCount;
+            type = state.Type;
+        }
+
+        _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out var returnRip);
+        Console.Error.WriteLine(
+            $"[LOADER][DIAG] pthread_mutex_contended: waiter=0x{currentThreadId:X16} owner=0x{ownerThreadId:X16} " +
+            $"mutex=0x{mutexAddress:X16} resolved=0x{resolvedAddress:X16} recursion={recursionCount} " +
+            $"type={type} semaphore_count={state.Semaphore.CurrentCount} ret=0x{returnRip:X16}");
+
+        if (GuestThreadExecution.Scheduler is not { } scheduler)
+        {
+            return;
+        }
+
+        foreach (var snapshot in scheduler.SnapshotThreads())
+        {
+            if (snapshot.ThreadHandle != currentThreadId && snapshot.ThreadHandle != ownerThreadId)
+            {
+                continue;
+            }
+
+            Console.Error.WriteLine(
+                $"[LOADER][DIAG] pthread_mutex_party handle=0x{snapshot.ThreadHandle:X16} name='{snapshot.Name}' " +
+                $"state={snapshot.State} imports={snapshot.ImportCount} nid={snapshot.LastImportNid ?? "none"} " +
+                $"ret=0x{snapshot.LastReturnRip:X16} block={snapshot.BlockReason ?? "none"}");
+        }
+    }
+
     private static int PthreadMutexUnlockCore(CpuContext ctx, ulong mutexAddress, bool requireOwner)
     {
         if (mutexAddress == 0)
@@ -1076,6 +1193,13 @@ public static class KernelPthreadCompatExports
 
         lock (_stateGate)
         {
+            if (_condStates.TryGetValue(condAddress, out var raced))
+            {
+                resolvedAddress = condAddress;
+                state = raced;
+                return true;
+            }
+
             _condStates[condAddress] = createdState;
             _condStates[handle] = createdState;
         }
@@ -1172,7 +1296,13 @@ public static class KernelPthreadCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static int PthreadCondWaitCore(CpuContext ctx, ulong condAddress, ulong mutexAddress, bool timed, uint timeoutUsec = 0)
+    private static int PthreadCondWaitCore(
+        CpuContext ctx,
+        ulong condAddress,
+        ulong mutexAddress,
+        bool timed,
+        uint timeoutUsec = 0,
+        bool posixResult = false)
     {
         if (condAddress == 0 || mutexAddress == 0)
         {
@@ -1210,9 +1340,10 @@ public static class KernelPthreadCompatExports
 
             if (consumedPendingSignal)
             {
-                // Leave SyncRoot before relocking the mutex to avoid lock-order inversion with cond-signal (#113).
                 state.Waiters = Math.Max(0, state.Waiters - 1);
                 TracePthreadCond("wait-wake-pending", condAddress, mutexAddress, state, timed, waitResult);
+
+                // Relock outside SyncRoot to preserve lock ordering.
                 Monitor.Exit(state.SyncRoot);
                 try
                 {
@@ -1221,6 +1352,7 @@ public static class KernelPthreadCompatExports
                 }
                 finally
                 {
+                    // Balance the surrounding lock statement.
                     Monitor.Enter(state.SyncRoot);
                 }
             }
@@ -1231,7 +1363,7 @@ public static class KernelPthreadCompatExports
                     ctx,
                     timed ? "pthread_cond_timedwait" : "pthread_cond_wait",
                     state.WakeKey,
-                    () => ResumePthreadCondWait(ctx, condAddress, mutexAddress, state, observedEpoch, timed, releasedRecursion),
+                    () => ResumePthreadCondWait(ctx, condAddress, mutexAddress, state, observedEpoch, timed, releasedRecursion, posixResult),
                     () => state.SignalEpoch != observedEpoch,
                     timed ? GuestThreadExecution.ComputeDeadlineTimestamp(GetCondWaitTimeout(timeoutUsec)) : 0))
             {
@@ -1315,7 +1447,7 @@ public static class KernelPthreadCompatExports
             state,
             timed,
             waitResult);
-        return waitResult;
+        return TranslatePthreadResult(waitResult, posixResult);
     }
 
     private static int PthreadCondSignalCore(CpuContext ctx, ulong condAddress, bool broadcast)
@@ -1372,7 +1504,8 @@ public static class KernelPthreadCompatExports
         PthreadCondState state,
         ulong observedEpoch,
         bool timed,
-        int releasedRecursion)
+        int releasedRecursion,
+        bool posixResult)
     {
         var waitResult = (int)OrbisGen2Result.ORBIS_GEN2_OK;
         lock (state.SyncRoot)
@@ -1393,7 +1526,32 @@ public static class KernelPthreadCompatExports
         }
 
         var lockResult = PthreadMutexRelockForCondWait(ctx, mutexAddress, releasedRecursion);
-        return lockResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? waitResult : lockResult;
+        return TranslatePthreadResult(
+            lockResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? waitResult : lockResult,
+            posixResult);
+    }
+
+    private static int TranslatePthreadResult(int result, bool posixResult)
+    {
+        if (!posixResult || result == (int)OrbisGen2Result.ORBIS_GEN2_OK)
+        {
+            return result;
+        }
+
+        return result switch
+        {
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED => 1, // EPERM
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND => 2,        // ENOENT
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT => 22, // EINVAL
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DEADLOCK => 11,        // EDEADLK
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DELETED => 13,         // EACCES
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY => 16,            // EBUSY
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TRY_AGAIN => 35,       // EAGAIN
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT => 60,       // ETIMEDOUT
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_CANCELED => 85,        // ECANCELED
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT => 14,    // EFAULT
+            _ => result
+        };
     }
 
     private static string GetCondWakeKey(ulong resolvedCondAddress) =>
@@ -1559,7 +1717,10 @@ public static class KernelPthreadCompatExports
             return TimeSpan.Zero;
         }
 
-        return TimeSpan.FromTicks((long)timeoutUsec * 10L);
+        // Round positive sub-millisecond waits to the host sleep quantum.
+        return timeoutUsec < 1_000
+            ? TimeSpan.FromMilliseconds(1)
+            : TimeSpan.FromTicks((long)timeoutUsec * 10L);
     }
 
     private static TimeSpan GetCondSpuriousWakeTimeout()
@@ -1701,7 +1862,8 @@ public static class KernelPthreadCompatExports
         }
 
         Console.Error.WriteLine(
-            $"[LOADER][TRACE] pthread_cond_{operation}: cond=0x{condAddress:X16} mutex=0x{mutexAddress:X16} " +
+            $"[LOADER][TRACE] pthread_cond_{operation}: thread=0x{KernelPthreadState.GetCurrentThreadHandle():X16} " +
+            $"cond=0x{condAddress:X16} key={state?.WakeKey ?? "none"} mutex=0x{mutexAddress:X16} " +
             $"waiters={(state?.Waiters ?? 0)} epoch=0x{(state?.SignalEpoch ?? 0):X} timed={timed} result=0x{unchecked((uint)result):X8}");
     }
 

src/SharpEmu.Libs/Kernel/KernelRuntimeCompatExports.cs

@@ -85,22 +85,29 @@ public static class KernelRuntimeCompatExports
         ExportName = "sceKernelNanosleep",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
-    public static int KernelNanosleep(CpuContext ctx)
+    public static int KernelNanosleep(CpuContext ctx) => NanosleepCore(ctx, posix: false);
+
+    [SysAbiExport(
+        Nid = "yS8U2TGCe1A",
+        ExportName = "nanosleep",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixNanosleep(CpuContext ctx) => NanosleepCore(ctx, posix: true);
+
+    private static int NanosleepCore(CpuContext ctx, bool posix)
     {
         var requestAddress = ctx[CpuRegister.Rdi];
         var remainAddress = ctx[CpuRegister.Rsi];
 
         if (requestAddress == 0)
         {
-            ctx[CpuRegister.Rax] = Einval;
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+            return NanosleepFailure(ctx, posix, Einval, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
         Span<byte> timespecBuffer = stackalloc byte[16];
         if (!ctx.Memory.TryRead(requestAddress, timespecBuffer))
         {
-            ctx[CpuRegister.Rax] = Efault;
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            return NanosleepFailure(ctx, posix, Efault, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
 
         var tvSec = BinaryPrimitives.ReadInt64LittleEndian(timespecBuffer);
@@ -108,8 +115,7 @@ public static class KernelRuntimeCompatExports
 
         if (tvSec < 0 || tvNsec < 0 || tvNsec >= 1_000_000_000L)
         {
-            ctx[CpuRegister.Rax] = Einval;
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+            return NanosleepFailure(ctx, posix, Einval, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
         if (tvSec == 0 && tvNsec == 0)
@@ -119,7 +125,7 @@ public static class KernelRuntimeCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_OK;
         }
 
-        GuestThreadExecution.Scheduler?.Pump(ctx, "sceKernelNanosleep");
+        GuestThreadExecution.Scheduler?.Pump(ctx, posix ? "nanosleep" : "sceKernelNanosleep");
 
         // TimeSpan resolution is 100 ns ticks, so sub-100 ns requests round up to
         // a single tick rather than collapsing to a zero-length (no-op) sleep.
@@ -138,6 +144,21 @@ public static class KernelRuntimeCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    private static int NanosleepFailure(CpuContext ctx, bool posix, int errnoValue, OrbisGen2Result sceResult)
+    {
+        if (posix)
+        {
+            TrySetErrno(ctx, errnoValue);
+            ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+        }
+        else
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)errnoValue);
+        }
+
+        return (int)sceResult;
+    }
+
     private static void WriteRemainingTime(CpuContext ctx, ulong remainAddress, long seconds, long nanoseconds)
     {
         if (remainAddress == 0)
@@ -192,6 +213,13 @@ public static class KernelRuntimeCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "QcteRwbsnV0",
+        ExportName = "usleep",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixUsleep(CpuContext ctx) => KernelUsleep(ctx);
+
     private static void TraceUsleepSpin(CpuContext ctx, ulong micros)
     {
         if (!_traceUsleep)
@@ -403,6 +431,18 @@ public static class KernelRuntimeCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "HoLVWNanBBc",
+        ExportName = "getpid",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int GetProcessId(CpuContext ctx)
+    {
+        var processId = Environment.ProcessId;
+        ctx[CpuRegister.Rax] = unchecked((uint)processId);
+        return processId;
+    }
+
     [SysAbiExport(
         Nid = "fgxnMeTNUtY",
         ExportName = "sceKernelGetProcessTimeCounter",

src/SharpEmu.Libs/Kernel/KernelSemaphoreCompatExports.cs

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 using System.Collections.Concurrent;
+using System.Diagnostics;
 using SharpEmu.HLE;
 
 namespace SharpEmu.Libs.Kernel;
@@ -12,6 +13,9 @@ public static class KernelSemaphoreCompatExports
     private static readonly ConcurrentDictionary<uint, KernelSemaphoreState> _semaphores = new();
     private static int _nextSemaphoreHandle = 1;
 
+    [ThreadStatic]
+    private static int _semaPollBackoffCount;
+
     private sealed class KernelSemaphoreState
     {
         public required string Name { get; init; }
@@ -28,6 +32,7 @@ public static class KernelSemaphoreCompatExports
     {
         public required int NeedCount { get; init; }
         public required int CancelEpochAtBlock { get; init; }
+        public bool Timed { get; init; }
 
         // Written and read only under the owning semaphore's Gate.
         public int? Result { get; set; }
@@ -120,6 +125,7 @@ public static class KernelSemaphoreCompatExports
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
+        var pollTimedOut = false;
         lock (semaphore.Gate)
         {
             if (semaphore.Count >= needCount)
@@ -131,36 +137,82 @@ public static class KernelSemaphoreCompatExports
 
             if (timeoutAddress != 0)
             {
-                if (!ctx.TryReadUInt32(timeoutAddress, out _))
+                if (!ctx.TryReadUInt32(timeoutAddress, out var timeoutMicros))
                 {
                     return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
                 }
 
-                _ = ctx.TryWriteUInt32(timeoutAddress, 0);
-                TraceSemaphore($"wait-timeout handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count}");
-                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
+                if (timeoutMicros == 0)
+                {
+                    _ = ctx.TryWriteUInt32(timeoutAddress, 0);
+                    TraceSemaphore($"wait-timeout handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count}");
+                    pollTimedOut = true;
+                }
+                else
+                {
+                    var deadline = GuestThreadExecution.ComputeDeadlineTimestamp(TimeSpan.FromTicks((long)timeoutMicros * 10L));
+                    var timedWaiter = new SemaphoreWaiter
+                    {
+                        NeedCount = needCount,
+                        CancelEpochAtBlock = semaphore.CancelEpoch,
+                        Timed = true,
+                    };
+                    if (GuestThreadExecution.RequestCurrentThreadBlock(
+                            ctx,
+                            "sceKernelWaitSema",
+                            GetSemaphoreWakeKey(handle),
+                            resumeHandler: () => CompleteBlockedTimedSemaWait(ctx, semaphore, timedWaiter, timeoutAddress, deadline),
+                            wakeHandler: () => TryConsumeBlockedSemaWait(semaphore, timedWaiter),
+                            blockDeadlineTimestamp: deadline))
+                    {
+                        semaphore.WaitingThreads++;
+                        TraceSemaphore($"wait-block-timed handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count} timeout_us={timeoutMicros} waiters={semaphore.WaitingThreads}");
+                        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+                    }
+
+                    // Host-owned threads cannot park in the guest scheduler; degrade to the
+                    // immediate-timeout poll the callers already tolerate.
+                    _ = ctx.TryWriteUInt32(timeoutAddress, 0);
+                    TraceSemaphore($"wait-timeout handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count}");
+                    pollTimedOut = true;
+                }
             }
 
-            var waiter = new SemaphoreWaiter
+            if (!pollTimedOut)
             {
-                NeedCount = needCount,
-                CancelEpochAtBlock = semaphore.CancelEpoch,
-            };
-            if (!GuestThreadExecution.RequestCurrentThreadBlock(
-                    ctx,
-                    "sceKernelWaitSema",
-                    GetSemaphoreWakeKey(handle),
-                    resumeHandler: () => CompleteBlockedSemaWait(semaphore, waiter),
-                    wakeHandler: () => TryConsumeBlockedSemaWait(semaphore, waiter)))
-            {
-                TraceSemaphore($"wait-would-block handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count}");
-                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_TRY_AGAIN);
-            }
+                var waiter = new SemaphoreWaiter
+                {
+                    NeedCount = needCount,
+                    CancelEpochAtBlock = semaphore.CancelEpoch,
+                };
+                if (!GuestThreadExecution.RequestCurrentThreadBlock(
+                        ctx,
+                        "sceKernelWaitSema",
+                        GetSemaphoreWakeKey(handle),
+                        resumeHandler: () => CompleteBlockedSemaWait(semaphore, waiter),
+                        wakeHandler: () => TryConsumeBlockedSemaWait(semaphore, waiter)))
+                {
+                    TraceSemaphore($"wait-would-block handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count}");
+                    return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_TRY_AGAIN);
+                }
 
-            semaphore.WaitingThreads++;
-            TraceSemaphore($"wait-block handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count} waiters={semaphore.WaitingThreads}");
-            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+                semaphore.WaitingThreads++;
+                TraceSemaphore($"wait-block handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count} waiters={semaphore.WaitingThreads}");
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+            }
         }
+
+        GuestThreadExecution.Scheduler?.Pump(ctx, "sceKernelWaitSema");
+        if ((++_semaPollBackoffCount & 255) == 0)
+        {
+            Thread.Sleep(0);
+        }
+        else
+        {
+            Thread.Yield();
+        }
+
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
     }
 
     [SysAbiExport(
@@ -368,6 +420,42 @@ public static class KernelSemaphoreCompatExports
         }
     }
 
+    private static int CompleteBlockedTimedSemaWait(
+        CpuContext ctx,
+        KernelSemaphoreState semaphore,
+        SemaphoreWaiter waiter,
+        ulong timeoutAddress,
+        long deadlineTimestamp)
+    {
+        int result;
+        lock (semaphore.Gate)
+        {
+            if (waiter.Result is null && !TryConsumeBlockedSemaWaitLocked(semaphore, waiter))
+            {
+                waiter.Result = (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
+                semaphore.WaitingThreads = Math.Max(0, semaphore.WaitingThreads - 1);
+                TraceSemaphore($"wake-timeout name='{semaphore.Name}' need={waiter.NeedCount} count={semaphore.Count} waiters={semaphore.WaitingThreads}");
+            }
+
+            result = waiter.Result!.Value;
+        }
+
+        if (result == (int)OrbisGen2Result.ORBIS_GEN2_OK)
+        {
+            var remainingTicks = deadlineTimestamp - Stopwatch.GetTimestamp();
+            var remainingMicros = remainingTicks <= 0
+                ? 0u
+                : (uint)Math.Min(uint.MaxValue, remainingTicks / (double)Stopwatch.Frequency * 1_000_000d);
+            _ = ctx.TryWriteUInt32(timeoutAddress, remainingMicros);
+        }
+        else
+        {
+            _ = ctx.TryWriteUInt32(timeoutAddress, 0);
+        }
+
+        return result;
+    }
+
     private static void TraceSemaphore(string message)
     {
         if (string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_SEMA"), "1", StringComparison.Ordinal))

src/SharpEmu.Libs/Kernel/KernelSocketCompatExports.cs

@@ -0,0 +1,558 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Buffers.Binary;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using SharpEmu.HLE;
+
+namespace SharpEmu.Libs.Kernel;
+
+internal static class KernelSocketCompatExports
+{
+    private sealed class EmulatedSocketState
+    {
+        public TcpClient? Client;
+        public NetworkStream? Stream;
+        public IPAddress BoundAddress = IPAddress.Any;
+        public int BoundPort;
+        public bool Bound;
+        public bool Connected;
+    }
+
+    private static readonly object Gate = new();
+    private static readonly Dictionary<int, EmulatedSocketState> Sockets = new();
+
+    internal static bool IsEmulatedSocketFd(int fd)
+    {
+        lock (Gate)
+        {
+            return Sockets.ContainsKey(fd);
+        }
+    }
+
+    internal static bool TryCloseSocketFd(int fd)
+    {
+        lock (Gate)
+        {
+            if (!Sockets.Remove(fd, out var state))
+            {
+                return false;
+            }
+
+            DisposeEmulatedSocket(state);
+            return true;
+        }
+    }
+
+    internal static bool TryReadSocketFd(
+        CpuContext ctx,
+        int fd,
+        ulong bufferAddress,
+        int requested,
+        out ulong bytesRead,
+        out OrbisGen2Result error)
+    {
+        bytesRead = 0;
+        error = OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+
+        if (!TryGetEmulatedSocketState(fd, out var state) ||
+            state is null ||
+            !state.Connected ||
+            state.Stream is null)
+        {
+            return false;
+        }
+
+        var socketBuffer = GC.AllocateUninitializedArray<byte>(requested);
+        int socketRead;
+        try
+        {
+            socketRead = state.Stream.Read(socketBuffer, 0, requested);
+        }
+        catch (IOException)
+        {
+            return false;
+        }
+
+        if (socketRead > 0 && !ctx.Memory.TryWrite(bufferAddress, socketBuffer.AsSpan(0, socketRead)))
+        {
+            error = OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            return true;
+        }
+
+        bytesRead = unchecked((ulong)socketRead);
+        error = OrbisGen2Result.ORBIS_GEN2_OK;
+        return true;
+    }
+
+    internal static bool TryWriteSocketFd(
+        CpuContext ctx,
+        int fd,
+        byte[] payload,
+        out OrbisGen2Result error)
+    {
+        error = OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+
+        if (!TryGetEmulatedSocketState(fd, out var state) ||
+            state is null ||
+            !state.Connected ||
+            state.Stream is null)
+        {
+            return false;
+        }
+
+        try
+        {
+            state.Stream.Write(payload, 0, payload.Length);
+            state.Stream.Flush();
+        }
+        catch (IOException)
+        {
+            return false;
+        }
+
+        if (string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_NET"), "1", StringComparison.Ordinal))
+        {
+            Console.Out.Write(Encoding.UTF8.GetString(payload));
+            Console.Out.Flush();
+        }
+
+        error = OrbisGen2Result.ORBIS_GEN2_OK;
+        return true;
+    }
+
+    [SysAbiExport(
+        Nid = "TU-d9PfIHPM",
+        ExportName = "socket",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int Socket(CpuContext ctx)
+    {
+        var fd = KernelMemoryCompatExports.AllocateGuestFileDescriptor();
+        lock (Gate)
+        {
+            Sockets[fd] = new EmulatedSocketState();
+        }
+
+        ctx[CpuRegister.Rax] = unchecked((ulong)fd);
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "XVL8So3QJUk",
+        ExportName = "connect",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int Connect(CpuContext ctx)
+    {
+        var fd = unchecked((int)ctx[CpuRegister.Rdi]);
+        var sockaddrAddress = ctx[CpuRegister.Rsi];
+        var addrlen = unchecked((int)ctx[CpuRegister.Rdx]);
+
+        if (!TryGetEmulatedSocketState(fd, out _))
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        if (!TryParseGuestSockaddrIn(sockaddrAddress, addrlen, ctx, out var ipAddress, out var port))
+        {
+            LogNet($"connect sockaddr parse failed: fd={fd} addr=0x{sockaddrAddress:X} len={addrlen}");
+            RemoveEmulatedSocketFd(fd);
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        var redirectApplied = TryApplyNetRedirect(ref ipAddress);
+        if (redirectApplied)
+        {
+            LogNet($"connect redirect: fd={fd} ip={ipAddress} port={port}");
+        }
+
+        if (!IsGuestTcpOutboundAllowed(ipAddress, redirectApplied))
+        {
+            LogNet($"connect denied by outbound policy: fd={fd} ip={ipAddress} port={port}");
+            RemoveEmulatedSocketFd(fd);
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        if (!TryEstablishHostTcpConnection(ipAddress, port, out var client, out var stream))
+        {
+            LogNet($"connect failed: fd={fd} ip={ipAddress} port={port}");
+            RemoveEmulatedSocketFd(fd);
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        LogNet($"connect ok: fd={fd} ip={ipAddress} port={port}");
+
+        lock (Gate)
+        {
+            if (!Sockets.TryGetValue(fd, out var state) || state is null)
+            {
+                try { stream.Dispose(); } catch (IOException) { }
+                try { client.Dispose(); } catch (IOException) { }
+                ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+                return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+            }
+
+            DisposeEmulatedSocket(state);
+            state.Client = client;
+            state.Stream = stream;
+            state.Connected = true;
+            state.BoundAddress = ipAddress;
+            state.BoundPort = port;
+            state.Bound = true;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "KuOmgKoqCdY",
+        ExportName = "bind",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int Bind(CpuContext ctx)
+    {
+        var fd = unchecked((int)ctx[CpuRegister.Rdi]);
+        var sockaddrAddress = ctx[CpuRegister.Rsi];
+        var addrlen = unchecked((int)ctx[CpuRegister.Rdx]);
+
+        if (!TryGetEmulatedSocketState(fd, out var state) || state is null)
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        if (!TryParseGuestSockaddrIn(sockaddrAddress, addrlen, ctx, out var ipAddress, out var port))
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        state.BoundAddress = ipAddress;
+        state.BoundPort = port;
+        state.Bound = true;
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "RenI1lL1WFk",
+        ExportName = "getsockname",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int Getsockname(CpuContext ctx)
+    {
+        var fd = unchecked((int)ctx[CpuRegister.Rdi]);
+        var sockaddrAddress = ctx[CpuRegister.Rsi];
+        var addrlenAddress = ctx[CpuRegister.Rdx];
+
+        if (!TryGetEmulatedSocketState(fd, out var state) || state is null || !state.Bound)
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        Span<byte> addrlenBuffer = stackalloc byte[4];
+        if (!ctx.Memory.TryRead(addrlenAddress, addrlenBuffer))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        var addrlen = BinaryPrimitives.ReadInt32LittleEndian(addrlenBuffer);
+        if (addrlen < 8)
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        Span<byte> sockaddr = stackalloc byte[16];
+        sockaddr[0] = 16;
+        sockaddr[1] = 2;
+        BinaryPrimitives.WriteUInt16BigEndian(sockaddr.Slice(2, 2), (ushort)state.BoundPort);
+        var addressBytes = state.BoundAddress.GetAddressBytes();
+        if (addressBytes.Length == 4)
+        {
+            addressBytes.CopyTo(sockaddr.Slice(4, 4));
+        }
+
+        var writeLength = Math.Min(addrlen, 16);
+        if (!ctx.Memory.TryWrite(sockaddrAddress, sockaddr.Slice(0, writeLength)))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        BinaryPrimitives.WriteInt32LittleEndian(addrlenBuffer, writeLength);
+        if (!ctx.Memory.TryWrite(addrlenAddress, addrlenBuffer))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "9oiX1kyeedA",
+        ExportName = "bzero",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int Bzero(CpuContext ctx)
+    {
+        var address = ctx[CpuRegister.Rdi];
+        var length = unchecked((int)ctx[CpuRegister.Rsi]);
+        if (length > 0 && address != 0)
+        {
+            var zeros = new byte[length];
+            if (!ctx.Memory.TryWrite(address, zeros))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "4n51s0zEf0c",
+        ExportName = "inet_pton",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int InetPton(CpuContext ctx)
+    {
+        var af = unchecked((int)ctx[CpuRegister.Rdi]);
+        var srcAddress = ctx[CpuRegister.Rsi];
+        var dstAddress = ctx[CpuRegister.Rdx];
+        if (af != 2 || srcAddress == 0 || dstAddress == 0)
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        if (!TryReadCString(srcAddress, ctx, out var text) ||
+            !TryParseIpv4Address(text, out var octets))
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        Span<byte> packed = stackalloc byte[4];
+        packed[0] = octets[0];
+        packed[1] = octets[1];
+        packed[2] = octets[2];
+        packed[3] = octets[3];
+        if (!ctx.Memory.TryWrite(dstAddress, packed))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = 1;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "jogUIsOV3-U",
+        ExportName = "htons",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int Htons(CpuContext ctx)
+    {
+        var value = unchecked((ushort)ctx[CpuRegister.Rdi]);
+        var swapped = (ushort)(((value & 0x00FF) << 8) | ((value >> 8) & 0x00FF));
+        ctx[CpuRegister.Rax] = swapped;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    private static bool TryGetEmulatedSocketState(int fd, out EmulatedSocketState? state)
+    {
+        lock (Gate)
+        {
+            return Sockets.TryGetValue(fd, out state);
+        }
+    }
+
+    private static bool TryParseGuestSockaddrIn(
+        ulong address,
+        int addrlen,
+        CpuContext ctx,
+        out IPAddress ipAddress,
+        out int port)
+    {
+        ipAddress = IPAddress.None;
+        port = 0;
+        if (address == 0 || addrlen < 8)
+        {
+            return false;
+        }
+
+        Span<byte> buffer = stackalloc byte[16];
+        var readLength = Math.Min(addrlen, buffer.Length);
+        if (!ctx.Memory.TryRead(address, buffer.Slice(0, readLength)))
+        {
+            return false;
+        }
+
+        if (buffer[1] != 2)
+        {
+            return false;
+        }
+
+        port = BinaryPrimitives.ReadUInt16BigEndian(buffer.Slice(2, 2));
+        ipAddress = new IPAddress(buffer.Slice(4, 4).ToArray());
+        return true;
+    }
+
+    private static void DisposeEmulatedSocket(EmulatedSocketState state)
+    {
+        try { state.Stream?.Dispose(); } catch (IOException) { }
+        try { state.Client?.Dispose(); } catch (IOException) { }
+        state.Stream = null;
+        state.Client = null;
+        state.Connected = false;
+    }
+
+    private static void RemoveEmulatedSocketFd(int fd)
+    {
+        lock (Gate)
+        {
+            if (Sockets.Remove(fd, out var socketState))
+            {
+                DisposeEmulatedSocket(socketState);
+            }
+        }
+    }
+
+    private static void LogNet(string message)
+    {
+        if (string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_NET"), "1", StringComparison.Ordinal))
+        {
+            Console.Error.WriteLine($"[LOADER][DEBUG] {message}");
+        }
+    }
+
+    private static bool TryApplyNetRedirect(ref IPAddress ipAddress)
+    {
+        var redirect = Environment.GetEnvironmentVariable("SHARPEMU_NET_REDIRECT");
+        if (string.IsNullOrWhiteSpace(redirect))
+        {
+            return false;
+        }
+
+        if (!IPAddress.TryParse(redirect.Trim(), out var redirectAddress))
+        {
+            return false;
+        }
+
+        ipAddress = redirectAddress;
+        return true;
+    }
+
+    private static bool IsNetRedirectConfigured()
+    {
+        var redirect = Environment.GetEnvironmentVariable("SHARPEMU_NET_REDIRECT");
+        return !string.IsNullOrWhiteSpace(redirect);
+    }
+
+    private static bool IsGuestTcpOutboundAllowed(IPAddress ipAddress, bool redirectApplied)
+    {
+        return redirectApplied || IsNetRedirectConfigured() || IPAddress.IsLoopback(ipAddress);
+    }
+
+    private static bool TryEstablishHostTcpConnection(
+        IPAddress ipAddress,
+        int port,
+        out TcpClient client,
+        out NetworkStream stream)
+    {
+        client = null!;
+        stream = null!;
+        if (!TryConnectTcpClient(ipAddress, port, out client))
+        {
+            return false;
+        }
+
+        stream = client.GetStream();
+        return true;
+    }
+
+    private static bool TryConnectTcpClient(IPAddress ipAddress, int port, out TcpClient client)
+    {
+        client = new TcpClient();
+        try
+        {
+            var connectTask = client.ConnectAsync(ipAddress, port);
+            if (!connectTask.Wait(TimeSpan.FromMilliseconds(500)))
+            {
+                client.Dispose();
+                client = null!;
+                return false;
+            }
+
+            return true;
+        }
+        catch (SocketException)
+        {
+            client.Dispose();
+            client = null!;
+            return false;
+        }
+        catch (IOException)
+        {
+            client.Dispose();
+            client = null!;
+            return false;
+        }
+    }
+
+    private static bool TryReadCString(ulong address, CpuContext ctx, out string text)
+    {
+        const int maxLength = 64;
+        var buffer = new byte[maxLength];
+        var length = 0;
+        for (; length < maxLength; length++)
+        {
+            if (!ctx.Memory.TryRead(address + (ulong)length, buffer.AsSpan(length, 1)))
+            {
+                text = string.Empty;
+                return false;
+            }
+
+            if (buffer[length] == 0)
+            {
+                break;
+            }
+        }
+
+        text = Encoding.ASCII.GetString(buffer, 0, length);
+        return true;
+    }
+
+    private static bool TryParseIpv4Address(string text, out byte[] octets)
+    {
+        octets = Array.Empty<byte>();
+        var parts = text.Split('.', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+        if (parts.Length != 4)
+        {
+            return false;
+        }
+
+        var parsed = new byte[4];
+        for (var i = 0; i < 4; i++)
+        {
+            if (!byte.TryParse(parts[i], out parsed[i]))
+            {
+                return false;
+            }
+        }
+
+        octets = parsed;
+        return true;
+    }
+}

src/SharpEmu.Libs/LibcInternalExports.cs

@@ -19,7 +19,7 @@ public static class LibcInternalExports
 
     [SysAbiExport(
         Nid = "NWtTN10cJzE",
-        ExportName = "LibcHeapGetTraceInfo",
+        ExportName = "sceLibcHeapGetTraceInfo",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "LibcInternalExt")]
     public static int LibcHeapGetTraceInfo(CpuContext ctx)

src/SharpEmu.Libs/LibcStdioExports.cs

@@ -338,6 +338,359 @@ public static class LibcStdioExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "8Q60JLJ6Rv4",
+        ExportName = "getc",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Getc(CpuContext ctx) => FgetcCore(ctx);
+
+    [SysAbiExport(
+        Nid = "AEuF3F2f8TA",
+        ExportName = "fgetc",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Fgetc(CpuContext ctx) => FgetcCore(ctx);
+
+    private static int FgetcCore(CpuContext ctx)
+    {
+        var handle = ctx[CpuRegister.Rdi];
+        if (!_fileHandles.TryGetValue(handle, out var stream))
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        try
+        {
+            var value = stream.ReadByte();
+            ctx[CpuRegister.Rax] = value < 0 ? unchecked((ulong)(-1L)) : (ulong)value;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+        catch (IOException)
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+    }
+
+    [SysAbiExport(
+        Nid = "LxcEU+ICu8U",
+        ExportName = "feof",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Feof(CpuContext ctx)
+    {
+        var handle = ctx[CpuRegister.Rdi];
+        var atEnd = _fileHandles.TryGetValue(handle, out var stream) &&
+            stream.CanRead && stream.Position >= stream.Length;
+        ctx[CpuRegister.Rax] = atEnd ? 1UL : 0UL;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "AHxyhN96dy4",
+        ExportName = "ferror",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Ferror(CpuContext ctx)
+    {
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "3QIPIh-GDjw",
+        ExportName = "rewind",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Rewind(CpuContext ctx)
+    {
+        var handle = ctx[CpuRegister.Rdi];
+        if (_fileHandles.TryGetValue(handle, out var stream))
+        {
+            try
+            {
+                stream.Seek(0, SeekOrigin.Begin);
+            }
+            catch (IOException)
+            {
+            }
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "aZK8lNei-Qw",
+        ExportName = "fputc",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Fputc(CpuContext ctx)
+    {
+        var character = unchecked((byte)ctx[CpuRegister.Rdi]);
+        var handle = ctx[CpuRegister.Rsi];
+
+        if (_fileHandles.TryGetValue(handle, out var stream))
+        {
+            try
+            {
+                stream.WriteByte(character);
+            }
+            catch (IOException)
+            {
+                ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+            }
+        }
+        else
+        {
+            // Unknown streams are the bundled libc's real stdout/stderr FILE objects;
+            // mirror the fputs HLE and forward them to the host console.
+            Console.Out.Write((char)character);
+        }
+
+        ctx[CpuRegister.Rax] = character;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "MpxhMh8QFro",
+        ExportName = "fwrite",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Fwrite(CpuContext ctx)
+    {
+        var source = ctx[CpuRegister.Rdi];
+        var elementSize = ctx[CpuRegister.Rsi];
+        var elementCount = ctx[CpuRegister.Rdx];
+        var handle = ctx[CpuRegister.Rcx];
+
+        if (elementSize == 0 || elementCount == 0)
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        var knownHandle = _fileHandles.TryGetValue(handle, out var stream);
+        if (source == 0)
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        var totalRequested = elementSize * elementCount;
+        var buffer = ArrayPool<byte>.Shared.Rent((int)Math.Min((ulong)ReadChunkSize, totalRequested));
+        ulong totalWritten = 0;
+
+        try
+        {
+            while (totalWritten < totalRequested)
+            {
+                var request = (int)Math.Min((ulong)buffer.Length, totalRequested - totalWritten);
+                if (!ctx.Memory.TryRead(source + totalWritten, buffer.AsSpan(0, request)))
+                {
+                    ctx[CpuRegister.Rax] = totalWritten / elementSize;
+                    return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+                }
+
+                if (knownHandle)
+                {
+                    stream!.Write(buffer, 0, request);
+                }
+                else
+                {
+                    Console.Out.Write(System.Text.Encoding.UTF8.GetString(buffer, 0, request));
+                }
+
+                totalWritten += (ulong)request;
+            }
+        }
+        catch (IOException)
+        {
+            ctx[CpuRegister.Rax] = totalWritten / elementSize;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+        finally
+        {
+            ArrayPool<byte>.Shared.Return(buffer);
+        }
+
+        ctx[CpuRegister.Rax] = totalWritten / elementSize;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "MUjC4lbHrK4",
+        ExportName = "fflush",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Fflush(CpuContext ctx)
+    {
+        var handle = ctx[CpuRegister.Rdi];
+
+        try
+        {
+            if (handle == 0)
+            {
+                foreach (var stream in _fileHandles.Values)
+                {
+                    stream.Flush();
+                }
+            }
+            else if (_fileHandles.TryGetValue(handle, out var stream))
+            {
+                stream.Flush();
+            }
+        }
+        catch (IOException)
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "fffwELXNVFA",
+        ExportName = "fprintf",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Fprintf(CpuContext ctx)
+    {
+        var handle = ctx[CpuRegister.Rdi];
+        var formatAddress = ctx[CpuRegister.Rsi];
+
+        if (!KernelMemoryCompatExports.TryReadNullTerminatedUtf8(ctx, formatAddress, MaxPathLength, out var format))
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        var rendered = KernelMemoryCompatExports.FormatStringFromVarArgs(ctx, format, firstGpArgIndex: 2);
+        return WriteRenderedText(ctx, handle, rendered);
+    }
+
+    [SysAbiExport(
+        Nid = "pDBDcY6uLSA",
+        ExportName = "vfprintf",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Vfprintf(CpuContext ctx)
+    {
+        var handle = ctx[CpuRegister.Rdi];
+        var formatAddress = ctx[CpuRegister.Rsi];
+        var vaListAddress = ctx[CpuRegister.Rdx];
+
+        if (!KernelMemoryCompatExports.TryReadNullTerminatedUtf8(ctx, formatAddress, MaxPathLength, out var format))
+        {
+            ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        KernelMemoryCompatExports.TryFormatStringFromVaList(ctx, format, vaListAddress, out var rendered);
+        return WriteRenderedText(ctx, handle, rendered);
+    }
+
+    private static int WriteRenderedText(CpuContext ctx, ulong handle, string rendered)
+    {
+        var payload = System.Text.Encoding.UTF8.GetBytes(rendered);
+
+        if (_fileHandles.TryGetValue(handle, out var stream))
+        {
+            try
+            {
+                stream.Write(payload, 0, payload.Length);
+            }
+            catch (IOException)
+            {
+                ctx[CpuRegister.Rax] = unchecked((ulong)(-1L));
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+            }
+        }
+        else
+        {
+            Console.Out.Write(rendered);
+        }
+
+        ctx[CpuRegister.Rax] = (ulong)payload.Length;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "gkWgn0p1AfU",
+        ExportName = "freopen",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Freopen(CpuContext ctx)
+    {
+        var pathAddress = ctx[CpuRegister.Rdi];
+        var modeAddress = ctx[CpuRegister.Rsi];
+        var handle = ctx[CpuRegister.Rdx];
+
+        if (pathAddress == 0 || modeAddress == 0 || handle == 0 ||
+            !KernelMemoryCompatExports.TryReadNullTerminatedUtf8(ctx, pathAddress, MaxPathLength, out var guestPath) ||
+            !KernelMemoryCompatExports.TryReadNullTerminatedUtf8(ctx, modeAddress, MaxModeLength, out var mode) ||
+            !TryParseFopenMode(mode, out var fileMode, out var fileAccess))
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+        }
+
+        if (_fileHandles.TryRemove(handle, out var previousStream))
+        {
+            previousStream.Dispose();
+        }
+
+        var hostPath = KernelMemoryCompatExports.ResolveGuestPath(guestPath);
+        if (fileAccess != FileAccess.Read && KernelMemoryCompatExports.IsReadOnlyGuestMutationPath(guestPath))
+        {
+            ctx[CpuRegister.Rax] = 0;
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED;
+        }
+
+        try
+        {
+            if (fileAccess != FileAccess.Read)
+            {
+                var parentDirectory = Path.GetDirectoryName(hostPath);
+                if (!string.IsNullOrWhiteSpace(parentDirectory))
+                {
+                    Directory.CreateDirectory(parentDirectory);
+                }
+            }
+
+            var stream = new FileStream(hostPath, fileMode, fileAccess, FileShare.ReadWrite);
+            // freopen keeps the caller's FILE* identity, so rebind the same handle value.
+            _fileHandles[handle] = stream;
+
+            if (_traceStdio)
+            {
+                Console.Error.WriteLine(
+                    $"[LOADER][TRACE] freopen: guest='{guestPath}' host='{hostPath}' mode='{mode}' -> OK handle=0x{handle:X}");
+            }
+
+            ctx[CpuRegister.Rax] = handle;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+        catch (Exception ex) when (ex is IOException or UnauthorizedAccessException)
+        {
+            if (_traceStdio)
+            {
+                Console.Error.WriteLine(
+                    $"[LOADER][TRACE] freopen: guest='{guestPath}' host='{hostPath}' mode='{mode}' -> FAILED {ex.GetType().Name}: {ex.Message}");
+            }
+
+            ctx[CpuRegister.Rax] = 0;
+            return ex is UnauthorizedAccessException
+                ? (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED
+                : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
+        }
+    }
+
     [SysAbiExport(
         Nid = "sUP1hBaouOw",
         ExportName = "_Getpctype",

src/SharpEmu.Libs/Network/NetExports.cs

@@ -95,6 +95,54 @@ public static class NetExports
         return ctx.SetReturn(0);
     }
 
+    [SysAbiExport(
+        Nid = "9T2pDF2Ryqg",
+        ExportName = "sceNetHtonl",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNet")]
+    public static int NetHtonl(CpuContext ctx)
+    {
+        var value = unchecked((uint)ctx[CpuRegister.Rdi]);
+        ctx[CpuRegister.Rax] = BinaryPrimitives.ReverseEndianness(value);
+        return ctx.SetReturn(0);
+    }
+
+    [SysAbiExport(
+        Nid = "iWQWrwiSt8A",
+        ExportName = "sceNetHtons",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNet")]
+    public static int NetHtons(CpuContext ctx)
+    {
+        var value = unchecked((ushort)ctx[CpuRegister.Rdi]);
+        ctx[CpuRegister.Rax] = BinaryPrimitives.ReverseEndianness(value);
+        return ctx.SetReturn(0);
+    }
+
+    [SysAbiExport(
+        Nid = "pQGpHYopAIY",
+        ExportName = "sceNetNtohl",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNet")]
+    public static int NetNtohl(CpuContext ctx)
+    {
+        var value = unchecked((uint)ctx[CpuRegister.Rdi]);
+        ctx[CpuRegister.Rax] = BinaryPrimitives.ReverseEndianness(value);
+        return ctx.SetReturn(0);
+    }
+
+    [SysAbiExport(
+        Nid = "Rbvt+5Y2iEw",
+        ExportName = "sceNetNtohs",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNet")]
+    public static int NetNtohs(CpuContext ctx)
+    {
+        var value = unchecked((ushort)ctx[CpuRegister.Rdi]);
+        ctx[CpuRegister.Rax] = BinaryPrimitives.ReverseEndianness(value);
+        return ctx.SetReturn(0);
+    }
+
     [SysAbiExport(
         Nid = "C4UgDHHPvdw",
         ExportName = "sceNetResolverCreate",

src/SharpEmu.Libs/Np/NpManagerExports.cs

@@ -22,6 +22,17 @@ public static class NpManagerExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "S7QTn72PrDw",
+        ExportName = "sceNpDeleteRequest",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNpManager")]
+    public static int NpDeleteRequest(CpuContext ctx)
+    {
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     [SysAbiExport(
         Nid = "JELHf4xPufo",
         ExportName = "sceNpCheckCallbackForLib",
@@ -42,8 +53,19 @@ public static class NpManagerExports
         LibraryName = "libSceNpManager")]
     public static int NpGetOnlineId(CpuContext ctx)
     {
-        ctx[CpuRegister.Rax] = 0;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        // Gen5 ABI: user ID, then output structure.
+        return WriteOfflineOnlineId(ctx, ctx[CpuRegister.Rsi]);
+    }
+
+    [SysAbiExport(
+        Nid = "rbknaUjpqWo",
+        ExportName = "sceNpGetOnlineIdA",
+        Target = Generation.Gen5,
+        LibraryName = "libSceNpManager")]
+    public static int NpGetOnlineIdA(CpuContext ctx)
+    {
+        // The A variant takes a user ID before OnlineId.
+        return WriteOfflineOnlineId(ctx, ctx[CpuRegister.Rsi]);
     }
 
     [SysAbiExport(
@@ -158,4 +180,19 @@ public static class NpManagerExports
 
         Console.Error.WriteLine($"[LOADER][TRACE] np.{message}");
     }
+
+    private static int WriteOfflineOnlineId(CpuContext ctx, ulong address)
+    {
+        if (address == 0)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        // SceNpOnlineId is a 16-byte handle plus four trailing bytes.
+        Span<byte> onlineId = stackalloc byte[20];
+        "Player"u8.CopyTo(onlineId);
+        return ctx.Memory.TryWrite(address, onlineId)
+            ? ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK)
+            : ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+    }
 }

src/SharpEmu.Libs/Np/NpWebApi2Exports.cs

@@ -31,6 +31,18 @@ public static class NpWebApi2Exports
         return ctx.SetReturn(0);
     }
 
+    [SysAbiExport(
+        Nid = "WV1GwM32NgY",
+        ExportName = "sceNpWebApi2InitializeForToolkit",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNpWebApi2")]
+    public static int NpWebApi2InitializeAlt(CpuContext ctx)
+    {
+        Interlocked.Exchange(ref _initialized, 1);
+        TraceNpWebApi2("init-alt", unchecked((int)ctx[CpuRegister.Rdi]), ctx[CpuRegister.Rsi]);
+        return ctx.SetReturn(0);
+    }
+
     [SysAbiExport(
         Nid = "bEvXpcEk200",
         ExportName = "sceNpWebApi2Terminate",

src/SharpEmu.Libs/Pad/PadExports.cs

@@ -14,11 +14,18 @@ public static class PadExports
     private const int OrbisPadErrorNotInitialized = unchecked((int)0x80920005);
     private const int OrbisPadErrorDeviceNotConnected = unchecked((int)0x80920007);
     private const int OrbisPadErrorDeviceNoHandle = unchecked((int)0x80920008);
-    private const int PrimaryUserId = 1;
+    private const int PrimaryUserId = 1000;
     private const int StandardPortType = 0;
     private const int PrimaryPadHandle = 1;
     private const int ControllerInformationSize = 0x1C;
     private const int PadDataSize = 0x78;
+    private static readonly long InputSampleIntervalTicks = Math.Max(1, Stopwatch.Frequency / 1000);
+
+    [ThreadStatic]
+    private static long _lastInputSampleTicks;
+
+    [ThreadStatic]
+    private static PadState _cachedInputState;
 
     private static bool _initialized;
 
@@ -178,6 +185,16 @@ public static class PadExports
         return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
+    [SysAbiExport(
+        Nid = "2JgFB2n9oUM",
+        ExportName = "scePadSetTriggerEffect",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libScePad")]
+    public static int PadSetTriggerEffect(CpuContext ctx)
+    {
+        return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
     [SysAbiExport(
         Nid = "yFVnOdGxvZY",
         ExportName = "scePadSetVibration",
@@ -260,6 +277,44 @@ public static class PadExports
     {
         Span<byte> data = stackalloc byte[PadDataSize];
         data.Clear();
+        var input = ReadHostInputState();
+        var buttons = input.Buttons;
+        var leftX = input.LeftX;
+        var leftY = input.LeftY;
+        var rightX = input.RightX;
+        var rightY = input.RightY;
+        var l2 = input.L2;
+        var r2 = input.R2;
+
+        BinaryPrimitives.WriteUInt32LittleEndian(data[0x00..], buttons);
+        data[0x04] = leftX;
+        data[0x05] = leftY;
+        data[0x06] = rightX;
+        data[0x07] = rightY;
+        data[0x08] = l2;
+        data[0x09] = r2;
+        BinaryPrimitives.WriteSingleLittleEndian(data[0x18..], 1.0f);
+        data[0x4C] = 1;
+        var timestampTicks = Stopwatch.GetTimestamp();
+        var timestampMicroseconds =
+            ((ulong)(timestampTicks / Stopwatch.Frequency) * 1_000_000UL) +
+            ((ulong)(timestampTicks % Stopwatch.Frequency) * 1_000_000UL / (ulong)Stopwatch.Frequency);
+        BinaryPrimitives.WriteUInt64LittleEndian(
+            data[0x50..],
+            timestampMicroseconds);
+        data[0x68] = 1;
+
+        return ctx.Memory.TryWrite(dataAddress, data);
+    }
+
+    private static PadState ReadHostInputState()
+    {
+        var now = Stopwatch.GetTimestamp();
+        if (_lastInputSampleTicks != 0 && now - _lastInputSampleTicks < InputSampleIntervalTicks)
+        {
+            return _cachedInputState;
+        }
+
         var acceptsKeyboardInput = IsEmulatorWindowFocused();
         var buttons = acceptsKeyboardInput ? ReadKeyboardButtons() : 0;
         var leftX = acceptsKeyboardInput ? ReadAnalogStick(IsKeyDown(0x41), IsKeyDown(0x44)) : (byte)128;
@@ -293,25 +348,17 @@ public static class PadExports
             r2 = Math.Max(r2, xpad.R2);
         }
 
-        BinaryPrimitives.WriteUInt32LittleEndian(data[0x00..], buttons);
-        data[0x04] = leftX;
-        data[0x05] = leftY;
-        data[0x06] = rightX;
-        data[0x07] = rightY;
-        data[0x08] = l2;
-        data[0x09] = r2;
-        BinaryPrimitives.WriteSingleLittleEndian(data[0x18..], 1.0f);
-        data[0x4C] = 1;
-        var timestampTicks = Stopwatch.GetTimestamp();
-        var timestampMicroseconds =
-            ((ulong)(timestampTicks / Stopwatch.Frequency) * 1_000_000UL) +
-            ((ulong)(timestampTicks % Stopwatch.Frequency) * 1_000_000UL / (ulong)Stopwatch.Frequency);
-        BinaryPrimitives.WriteUInt64LittleEndian(
-            data[0x50..],
-            timestampMicroseconds);
-        data[0x68] = 1;
-
-        return ctx.Memory.TryWrite(dataAddress, data);
+        _cachedInputState = new PadState(
+            Connected: true,
+            Buttons: buttons,
+            LeftX: leftX,
+            LeftY: leftY,
+            RightX: rightX,
+            RightY: rightY,
+            L2: l2,
+            R2: r2);
+        _lastInputSampleTicks = now;
+        return _cachedInputState;
     }
 
     [DllImport("user32.dll")]

src/SharpEmu.Libs/PlayGo/PlayGoExports.cs

@@ -682,7 +682,9 @@ public static class PlayGoExports
         var hasMetadata = File.Exists(playGoDat) || File.Exists(scenarioJson) || File.Exists(chunkDefsXml);
         if (!hasMetadata)
         {
-            return PlayGoMetadata.Empty;
+            // Full installs may omit PlayGo sidecar metadata.
+            TracePlayGo("metadata_missing; using fully-installed default chunk");
+            return new PlayGoMetadata(true, [(ushort)0]);
         }
 
         var chunkIds = LoadChunkIds(chunkDefsXml);

src/SharpEmu.Libs/SaveData/SaveDataExports.cs

@@ -30,13 +30,17 @@ public static class SaveDataExports
     private const uint MountModeCreate2 = 1u << 5;
     private const int MountResultSize = 0x40;
     private static readonly object _stateGate = new();
+    private static readonly HashSet<int> _transactionResources = [];
     private static string? _titleId;
+    private static int _nextTransactionResource;
 
     public static void ConfigureApplicationInfo(string? titleId)
     {
         lock (_stateGate)
         {
             _titleId = string.IsNullOrWhiteSpace(titleId) ? null : SanitizePathSegment(titleId.Trim());
+            _transactionResources.Clear();
+            _nextTransactionResource = 0;
         }
     }
 
@@ -244,7 +248,6 @@ public static class SaveDataExports
         }
     }
 
-    private static int _nextTransactionResource;
     [SysAbiExport(
         Nid = "gjRZNnw0JPE",
         ExportName = "sceSaveDataCreateTransactionResource",
@@ -252,25 +255,32 @@ public static class SaveDataExports
         LibraryName = "libSceSaveData")]
     public static int SaveDataCreateTransactionResource(CpuContext ctx)
     {
-        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
-        var reserved = ctx[CpuRegister.Rsi];
-        var resourceAddress = ctx[CpuRegister.Rdx];
-
-        if (resourceAddress == 0)
+        var memorySize = ctx[CpuRegister.Rdi];
+        int resource;
+        lock (_stateGate)
         {
-            return ctx.SetReturn(OrbisSaveDataErrorParameter);
+            resource = ++_nextTransactionResource;
+            _transactionResources.Add(resource);
         }
 
-        var id = (uint)Interlocked.Increment(ref _nextTransactionResource);
+        TraceSaveData($"create_transaction_resource memory_size=0x{memorySize:X} resource={resource}");
+        return ctx.SetReturn(resource);
+    }
 
-        if (!ctx.TryWriteUInt32(resourceAddress, id))
+    [SysAbiExport(
+        Nid = "lJUQuaKqoKY",
+        ExportName = "sceSaveDataDeleteTransactionResource",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceSaveData")]
+    public static int SaveDataDeleteTransactionResource(CpuContext ctx)
+    {
+        var resource = unchecked((int)ctx[CpuRegister.Rdi]);
+        lock (_stateGate)
         {
-            return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+            _transactionResources.Remove(resource);
         }
 
-        TraceSaveData(
-            $"create_transaction_resource user={userId} reserved=0x{reserved:X} resource_addr=0x{resourceAddress:X} id={id}");
-
+        TraceSaveData($"delete_transaction_resource resource={resource}");
         return ctx.SetReturn(0);
     }
 

src/SharpEmu.Libs/UserService/UserServiceExports.cs

@@ -13,7 +13,8 @@ public static class UserServiceExports
     private const int OrbisUserServiceErrorNoEvent = unchecked((int)0x80960007);
     private const int OrbisUserServiceErrorInvalidParameter = unchecked((int)0x80960009);
     private const int OrbisUserServiceErrorBufferTooShort = unchecked((int)0x8096000A);
-    private const int PrimaryUserId = 1;
+    // Retail user-service IDs begin at 0x3E8.
+    private const int PrimaryUserId = 1000;
     private const int InvalidUserId = -1;
     private const string PrimaryUserName = "SharpEmu";
     private static int _loginEventDelivered;
@@ -111,7 +112,8 @@ public static class UserServiceExports
         var userId = unchecked((int)ctx[CpuRegister.Rdi]);
         var nameAddress = ctx[CpuRegister.Rsi];
         var capacity = ctx[CpuRegister.Rdx];
-        if (userId != PrimaryUserId)
+        // Zero selects the current user.
+        if (userId != 0 && userId != PrimaryUserId)
         {
             return ctx.SetReturn(OrbisUserServiceErrorInvalidParameter);
         }
@@ -137,6 +139,28 @@ public static class UserServiceExports
         return ctx.SetReturn(result);
     }
 
+    [SysAbiExport(
+        Nid = "-sD02mFDBh4",
+        ExportName = "sceUserServiceGetGamePresets",
+        Target = Generation.Gen5,
+        LibraryName = "libSceUserService")]
+    public static int UserServiceGetGamePresets(CpuContext ctx)
+    {
+        // Return deterministic defaults for the offline profile.
+        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
+        var resultAddress = ctx[CpuRegister.Rcx];
+        Span<byte> defaults = stackalloc byte[0x18];
+        if (resultAddress == 0 || !ctx.Memory.TryWrite(resultAddress, defaults))
+        {
+            return ctx.SetReturn(OrbisUserServiceErrorInvalidArgument);
+        }
+
+        TraceUserService(
+            $"get_game_presets user={userId} title=0x{ctx[CpuRegister.Rsi]:X16} " +
+            $"key=0x{ctx[CpuRegister.R9]:X} out=0x{resultAddress:X16} result=0x00000000");
+        return ctx.SetReturn(0);
+    }
+
     [SysAbiExport(
         Nid = "D-CzAxQL0XI",
         ExportName = "sceUserServiceGetPlatformPrivacySetting",

src/SharpEmu.Libs/VideoOut/PngSplashLoader.cs

@@ -14,6 +14,17 @@ internal static class PngSplashLoader
     ];
 
     public static bool TryLoad(out byte[] pixels, out uint width, out uint height)
+        => TryLoad("pic0.png", requestRgba: false, out pixels, out width, out height);
+
+    public static bool TryLoadIcon(out byte[] pixels, out uint width, out uint height)
+        => TryLoad("icon0.png", requestRgba: true, out pixels, out width, out height);
+
+    private static bool TryLoad(
+        string fileName,
+        bool requestRgba,
+        out byte[] pixels,
+        out uint width,
+        out uint height)
     {
         pixels = [];
         width = 0;
@@ -27,13 +38,18 @@ internal static class PngSplashLoader
                 return false;
             }
 
-            var path = Path.Combine(app0Root, "sce_sys", "pic0.png");
+            var path = Path.Combine(app0Root, "sce_sys", fileName);
             if (!File.Exists(path))
             {
                 return false;
             }
 
-            return TryDecode(File.ReadAllBytes(path), out pixels, out width, out height);
+            return TryDecode(
+                File.ReadAllBytes(path),
+                out pixels,
+                out width,
+                out height,
+                requestRgba);
         }
         catch
         {
@@ -48,7 +64,8 @@ internal static class PngSplashLoader
         ReadOnlySpan<byte> png,
         out byte[] pixels,
         out uint width,
-        out uint height)
+        out uint height,
+        bool requestRgba)
     {
         pixels = [];
         width = 0;
@@ -154,9 +171,13 @@ internal static class PngSplashLoader
              sourceOffset < reconstructed.Length;
              sourceOffset += sourceBytesPerPixel, targetOffset += 4)
         {
-            pixels[targetOffset] = reconstructed[sourceOffset + 2];
+            pixels[targetOffset] = requestRgba
+                ? reconstructed[sourceOffset]
+                : reconstructed[sourceOffset + 2];
             pixels[targetOffset + 1] = reconstructed[sourceOffset + 1];
-            pixels[targetOffset + 2] = reconstructed[sourceOffset];
+            pixels[targetOffset + 2] = requestRgba
+                ? reconstructed[sourceOffset + 2]
+                : reconstructed[sourceOffset];
             pixels[targetOffset + 3] = sourceBytesPerPixel == 4
                 ? reconstructed[sourceOffset + 3]
                 : (byte)0xFF;

src/SharpEmu.Libs/VideoOut/VideoOutExports.cs

@@ -48,54 +48,106 @@ public static class VideoOutExports
     private static readonly Dictionary<int, VideoOutPortState> _ports = new();
 
     // Hardware raises vblank autonomously; UE blocks its frame loop on it.
-    private static Timer? _vblankPumpTimer;
-    private static int _vblankPumpActive;
-    private const int VblankPumpIntervalMs = 16;
+    private const double VblankHz = 60.0;
+    private const int VblankWaitTimeoutMilliseconds = 100;
+    private static Thread? _vblankPumpThread;
+    private static int _vblankPumpStarted;
+
+    private static readonly object _vblankEdgeGate = new();
+    private static ulong _vblankEdgeSequence;
+    private static long _vblankMissedEdges;
 
     private static void EnsureVblankPumpStarted()
     {
-        if (_vblankPumpTimer is not null)
+        if (Interlocked.Exchange(ref _vblankPumpStarted, 1) != 0)
         {
             return;
         }
 
-        _vblankPumpTimer = new Timer(
-            static _ => PumpVblanks(),
-            null,
-            VblankPumpIntervalMs,
-            VblankPumpIntervalMs);
+        HostTimerResolution.Request();
+
+        _vblankPumpThread = new Thread(VblankPumpLoop)
+        {
+            IsBackground = true,
+            Name = "SharpEmu VideoOut vblank",
+            Priority = ThreadPriority.AboveNormal,
+        };
+        _vblankPumpThread.Start();
+    }
+
+    private static void VblankPumpLoop()
+    {
+        var intervalTicks = Math.Max(1L, (long)(Stopwatch.Frequency / VblankHz));
+        var nextEdge = Stopwatch.GetTimestamp() + intervalTicks;
+
+        while (true)
+        {
+            WaitUntilTimestamp(nextEdge);
+            PumpVblanks();
+
+            nextEdge += intervalTicks;
+
+            var now = Stopwatch.GetTimestamp();
+            if (nextEdge < now)
+            {
+                var missed = (now - nextEdge) / intervalTicks + 1;
+                Interlocked.Add(ref _vblankMissedEdges, missed);
+                nextEdge = now + intervalTicks;
+            }
+        }
+    }
+
+    private static void WaitUntilTimestamp(long deadlineTicks)
+    {
+        var spinThresholdTicks = Stopwatch.Frequency * 2L / 1000L;
+
+        while (true)
+        {
+            var remaining = deadlineTicks - Stopwatch.GetTimestamp();
+            if (remaining <= 0)
+            {
+                return;
+            }
+
+            if (remaining > spinThresholdTicks)
+            {
+                var sleepMilliseconds =
+                    (int)((remaining - spinThresholdTicks) * 1000L / Stopwatch.Frequency);
+                if (sleepMilliseconds > 0)
+                {
+                    Thread.Sleep(sleepMilliseconds);
+                    continue;
+                }
+            }
+
+            Thread.SpinWait(64);
+        }
     }
 
     private static void PumpVblanks()
     {
-        if (Interlocked.Exchange(ref _vblankPumpActive, 1) != 0)
+        lock (_vblankEdgeGate)
         {
-            return;
+            _vblankEdgeSequence++;
+            Monitor.PulseAll(_vblankEdgeGate);
         }
 
-        try
+        VideoOutPortState[] ports;
+        lock (_stateGate)
         {
-            VideoOutPortState[] ports;
-            lock (_stateGate)
+            if (_ports.Count == 0)
             {
-                if (_ports.Count == 0)
-                {
-                    return;
-                }
-
-                // Signalling reaches WakeBlockedThreads -> Pump(), which serialises on one global
-                // flag. Waking an unwatched queue would hold it 60x/sec and starve guest threads.
-                ports = _ports.Values.Where(static port => port.VblankEvents.Count != 0).ToArray();
+                return;
             }
 
-            foreach (var port in ports)
-            {
-                SignalVblank(port);
-            }
+            // Signalling reaches WakeBlockedThreads -> Pump(), which serialises on one global
+            // flag. Waking an unwatched queue would hold it 60x/sec and starve guest threads.
+            ports = _ports.Values.Where(static port => port.VblankEvents.Count != 0).ToArray();
         }
-        finally
+
+        foreach (var port in ports)
         {
-            Volatile.Write(ref _vblankPumpActive, 0);
+            SignalVblank(port);
         }
     }
 
@@ -103,6 +155,7 @@ public static class VideoOutExports
     private static int _nextHandle = 1;
     private static int _frameDumpCount;
     private static long _nextFrameDumpIndex;
+    private static string _windowTitleBase = "SharpEmu VideoOut";
     private static string _windowTitle = "SharpEmu VideoOut";
     private static readonly bool _logFrameRate = string.Equals(
         Environment.GetEnvironmentVariable("SHARPEMU_LOG_VIDEOOUT_FPS"),
@@ -112,6 +165,10 @@ public static class VideoOutExports
         Environment.GetEnvironmentVariable("SHARPEMU_LOG_VIDEOOUT_SYNC"),
         "1",
         StringComparison.Ordinal);
+    private static readonly bool _dumpVideoOut = string.Equals(
+        Environment.GetEnvironmentVariable("SHARPEMU_DUMP_VIDEOOUT"),
+        "1",
+        StringComparison.Ordinal);
     private static long _frameRateWindowStart = Stopwatch.GetTimestamp();
     private static long _submittedFrameCount;
     private static long _presentedFrameCount;
@@ -134,10 +191,24 @@ public static class VideoOutExports
         var application = parts.Count == 0 ? "VideoOut" : string.Join(' ', parts);
         var versionSuffix = string.IsNullOrWhiteSpace(version) ? string.Empty : $" v{version.Trim()}";
         var commitSuffix = string.IsNullOrWhiteSpace(emulatorCommitSha) ? string.Empty : $" \u00b7 {emulatorCommitSha.Trim()}";
-        var hardwareSuffix = $" \u00b7 {HostSystemInfo.CpuName} \u00b7 {HostSystemInfo.GpuName}";
+        var hardwareSuffix = $" \u00b7 {HostSystemInfo.CpuName}";
         lock (_stateGate)
         {
-            _windowTitle = $"SharpEmu{commitSuffix} - {application}{versionSuffix}{hardwareSuffix}";
+            _windowTitleBase = $"SharpEmu{commitSuffix} - {application}{versionSuffix}{hardwareSuffix}";
+            _windowTitle = $"{_windowTitleBase} \u00b7 {HostSystemInfo.GpuName}";
+        }
+    }
+
+    internal static void SetSelectedGpuName(string gpuName)
+    {
+        if (string.IsNullOrWhiteSpace(gpuName))
+        {
+            return;
+        }
+
+        lock (_stateGate)
+        {
+            _windowTitle = $"{_windowTitleBase} \u00b7 {gpuName.Trim()}";
         }
     }
 
@@ -376,7 +447,20 @@ public static class VideoOutExports
             return OrbisVideoOutErrorInvalidHandle;
         }
 
-        Thread.Sleep(1);
+        EnsureVblankPumpStarted();
+
+        lock (_vblankEdgeGate)
+        {
+            var entryEdge = _vblankEdgeSequence;
+            while (_vblankEdgeSequence == entryEdge)
+            {
+                if (!Monitor.Wait(_vblankEdgeGate, VblankWaitTimeoutMilliseconds))
+                {
+                    break;
+                }
+            }
+        }
+
         SignalVblank(port);
 
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
@@ -987,10 +1071,7 @@ public static class VideoOutExports
                 displayBuffer.PitchInPixel);
         }
 
-        if (string.Equals(
-                Environment.GetEnvironmentVariable("SHARPEMU_DUMP_VIDEOOUT"),
-                "1",
-                StringComparison.Ordinal))
+        if (_dumpVideoOut)
         {
             _ = TryDumpFrame(ctx, port, bufferIndex, flipMode, flipArg);
         }
@@ -1050,9 +1131,11 @@ public static class VideoOutExports
         var elapsedSeconds = (double)elapsedTicks / Stopwatch.Frequency;
         var submitted = Interlocked.Exchange(ref _submittedFrameCount, 0);
         var presentedCount = Interlocked.Exchange(ref _presentedFrameCount, 0);
+        var missedEdges = Interlocked.Exchange(ref _vblankMissedEdges, 0);
         Console.Error.WriteLine(
             $"[LOADER][PERF] videoout submitted_fps={submitted / elapsedSeconds:F1} " +
-            $"presented_fps={presentedCount / elapsedSeconds:F1}");
+            $"presented_fps={presentedCount / elapsedSeconds:F1} " +
+            $"vblank_missed={missedEdges}");
     }
 
     private static int RegisterBufferRange(VideoOutPortState port, int startIndex, ReadOnlySpan<ulong> addresses, BufferAttribute attribute, int requestedGroupIndex = -1)

src/SharpEmu.Libs/VideoOut/VulkanVideoPresenter.cs

@@ -11,6 +11,7 @@ using Silk.NET.Vulkan.Extensions.EXT;
 using Silk.NET.Windowing;
 using System.Numerics;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using System.Security.Cryptography;
 using System.Text;
 using VkBuffer = Silk.NET.Vulkan.Buffer;
@@ -600,7 +601,8 @@ internal static unsafe class VulkanVideoPresenter
         var traceSubmission = false;
         lock (_gate)
         {
-            var known = _availableGuestImages.ContainsKey(address);
+            // VideoOut registration does not imply a rendered Vulkan image.
+            var known = _gpuGuestImages.ContainsKey(address);
             if (ShouldTracePresentedGuestImageContentsForDiagnostics())
             {
                 Console.Error.WriteLine(
@@ -622,7 +624,7 @@ internal static unsafe class VulkanVideoPresenter
                 {
                     Console.Error.WriteLine(
                         $"[LOADER][WARN] vk.submit_guest_image_unknown addr=0x{address:X16} " +
-                        $"{width}x{height} - flip target was never registered as a render output");
+                        $"{width}x{height} - flip target has no completed GPU render output");
                 }
 
                 return false;
@@ -933,6 +935,8 @@ internal static unsafe class VulkanVideoPresenter
         private ExtDebugUtils? _debugUtils;
         private PhysicalDevice _physicalDevice;
         private Device _device;
+        private PipelineCache _pipelineCache;
+        private string? _pipelineCachePath;
         private Queue _queue;
         private uint _queueFamilyIndex;
         private SwapchainKHR _swapchain;
@@ -950,6 +954,9 @@ internal static unsafe class VulkanVideoPresenter
         private CommandBuffer _presentationCommandBuffer;
         private VkSemaphore _imageAvailable;
         private VkSemaphore _renderFinished;
+        private Fence _presentationFence;
+        private bool _presentationInFlight;
+        private TranslatedDrawResources? _pendingPresentationResources;
         private VkBuffer _stagingBuffer;
         private DeviceMemory _stagingMemory;
         private ulong _stagingSize;
@@ -966,6 +973,10 @@ internal static unsafe class VulkanVideoPresenter
         private int _directPresentationCount;
         private readonly Dictionary<ulong, GuestImageResource> _guestImages = new();
         private readonly HashSet<(ulong Address, uint Width, uint Height, Format Format)> _tracedTextureCacheHits = new();
+        private static readonly bool _dumpTextures = string.Equals(
+            Environment.GetEnvironmentVariable("SHARPEMU_DUMP_TEXTURES"),
+            "1",
+            StringComparison.Ordinal);
         private readonly HashSet<(ulong Address, uint Width, uint Height, Format Format)> _tracedTextureUploads = new();
         private readonly HashSet<(ulong Address, uint Width, uint Height, uint Format)> _dumpedTextures = new();
         private readonly HashSet<(ulong Address, int Size)> _tracedGlobalBuffers = new();
@@ -988,7 +999,7 @@ internal static unsafe class VulkanVideoPresenter
         private readonly record struct GraphicsPipelineKey(
             string VertexShader,
             string FragmentShader,
-            ulong RenderPass,
+            Format RenderTargetFormat,
             PrimitiveTopology Topology,
             VulkanGuestBlendState Blend,
             string ResourceLayout,
@@ -1138,12 +1149,19 @@ internal static unsafe class VulkanVideoPresenter
 
         private void Initialize()
         {
+            if (PngSplashLoader.TryLoadIcon(out var iconPixels, out var iconWidth, out var iconHeight))
+            {
+                var icon = new RawImage((int)iconWidth, (int)iconHeight, iconPixels);
+                _window.SetWindowIcon(ref icon);
+            }
+
             WaitForRenderDocAttachIfRequested();
             _vk = Vk.GetApi();
             CreateInstance();
             CreateSurface();
             SelectPhysicalDevice();
             CreateDevice();
+            CreatePipelineCache();
             CreateSwapchain();
             CreateCommandResources();
             CreateGuestDrawResources();
@@ -1553,8 +1571,11 @@ internal static unsafe class VulkanVideoPresenter
             }
 
             _vk.GetPhysicalDeviceProperties(_physicalDevice, out var selected);
+            var selectedName = SilkMarshal.PtrToString((nint)selected.DeviceName) ?? "unknown";
             Console.Error.WriteLine(
-                $"[LOADER][INFO] Vulkan device: {SilkMarshal.PtrToString((nint)selected.DeviceName)} ({selected.DeviceType})");
+                $"[LOADER][INFO] Vulkan device: {selectedName} ({selected.DeviceType})");
+            VideoOutExports.SetSelectedGpuName(selectedName);
+            _window.Title = VideoOutExports.GetWindowTitle();
         }
 
         private static int ScorePhysicalDevice(
@@ -1737,6 +1758,110 @@ internal static unsafe class VulkanVideoPresenter
             }
         }
 
+        private void CreatePipelineCache()
+        {
+            _vk.GetPhysicalDeviceProperties(_physicalDevice, out var properties);
+            var directory = Path.Combine(AppContext.BaseDirectory, "pipeline-cache");
+            _pipelineCachePath = Path.Combine(
+                directory,
+                $"vulkan-{properties.VendorID:X4}-{properties.DeviceID:X4}-{properties.DriverVersion:X8}.bin");
+
+            byte[] initialData = [];
+            try
+            {
+                if (File.Exists(_pipelineCachePath))
+                {
+                    initialData = File.ReadAllBytes(_pipelineCachePath);
+                }
+            }
+            catch (IOException exception)
+            {
+                Console.Error.WriteLine(
+                    $"[LOADER][WARN] Vulkan pipeline cache could not be read: {exception.Message}");
+            }
+
+            fixed (byte* initialDataPointer = initialData)
+            {
+                var createInfo = new PipelineCacheCreateInfo
+                {
+                    SType = StructureType.PipelineCacheCreateInfo,
+                    InitialDataSize = (nuint)initialData.Length,
+                    PInitialData = initialData.Length == 0 ? null : initialDataPointer,
+                };
+                var result = _vk.CreatePipelineCache(
+                    _device,
+                    &createInfo,
+                    null,
+                    out _pipelineCache);
+                if (result != Result.Success && initialData.Length != 0)
+                {
+                    createInfo.InitialDataSize = 0;
+                    createInfo.PInitialData = null;
+                    Check(
+                        _vk.CreatePipelineCache(
+                            _device,
+                            &createInfo,
+                            null,
+                            out _pipelineCache),
+                        "vkCreatePipelineCache(empty)");
+                    initialData = [];
+                }
+                else
+                {
+                    Check(result, "vkCreatePipelineCache");
+                }
+            }
+
+            Console.Error.WriteLine(
+                $"[LOADER][INFO] Vulkan pipeline cache: " +
+                $"{(initialData.Length == 0 ? "new" : $"loaded {initialData.Length} bytes")}");
+        }
+
+        private void SavePipelineCache()
+        {
+            if (_pipelineCache.Handle == 0 || string.IsNullOrWhiteSpace(_pipelineCachePath))
+            {
+                return;
+            }
+
+            try
+            {
+                nuint size = 0;
+                Check(
+                    _vk.GetPipelineCacheData(_device, _pipelineCache, &size, null),
+                    "vkGetPipelineCacheData(size)");
+                if (size == 0 || size > int.MaxValue)
+                {
+                    return;
+                }
+
+                var data = new byte[(int)size];
+                fixed (byte* dataPointer = data)
+                {
+                    Check(
+                        _vk.GetPipelineCacheData(
+                            _device,
+                            _pipelineCache,
+                            &size,
+                            dataPointer),
+                        "vkGetPipelineCacheData");
+                }
+
+                var directory = Path.GetDirectoryName(_pipelineCachePath);
+                if (!string.IsNullOrWhiteSpace(directory))
+                {
+                    Directory.CreateDirectory(directory);
+                }
+                File.WriteAllBytes(_pipelineCachePath, data.AsSpan(0, (int)size).ToArray());
+            }
+            catch (Exception exception) when (
+                exception is IOException or UnauthorizedAccessException or InvalidOperationException)
+            {
+                Console.Error.WriteLine(
+                    $"[LOADER][WARN] Vulkan pipeline cache could not be saved: {exception.Message}");
+            }
+        }
+
         private void CreateSwapchain()
         {
             Check(
@@ -1829,9 +1954,44 @@ internal static unsafe class VulkanVideoPresenter
             Check(_vk.CreateSemaphore(_device, &semaphoreInfo, null, out _imageAvailable), "vkCreateSemaphore");
             Check(_vk.CreateSemaphore(_device, &semaphoreInfo, null, out _renderFinished), "vkCreateSemaphore");
 
+            var fenceInfo = new FenceCreateInfo
+            {
+                SType = StructureType.FenceCreateInfo,
+            };
+            Check(
+                _vk.CreateFence(_device, &fenceInfo, null, out _presentationFence),
+                "vkCreateFence(presentation)");
+
             CreateStagingBuffer((ulong)_extent.Width * _extent.Height * 4);
         }
 
+        private void CompletePendingPresentation(bool wait)
+        {
+            if (!_presentationInFlight)
+            {
+                return;
+            }
+
+            var fence = _presentationFence;
+            var result = wait
+                ? _vk.WaitForFences(_device, 1, &fence, true, ulong.MaxValue)
+                : _vk.GetFenceStatus(_device, fence);
+            if (!wait && result == Result.NotReady)
+            {
+                return;
+            }
+
+            Check(result, "vkWaitForFences(presentation)");
+            _presentationInFlight = false;
+            if (_pendingPresentationResources is not null)
+            {
+                MarkSampledImagesInitialized(_pendingPresentationResources);
+                MarkStorageImagesInitialized(_pendingPresentationResources);
+                DestroyTranslatedDrawResources(_pendingPresentationResources);
+                _pendingPresentationResources = null;
+            }
+        }
+
         private CommandBuffer AllocateGuestCommandBuffer()
         {
             var allocateInfo = new CommandBufferAllocateInfo
@@ -2178,7 +2338,7 @@ internal static unsafe class VulkanVideoPresenter
                 Check(
                     _vk.CreateGraphicsPipelines(
                         _device,
-                        default,
+                        _pipelineCache,
                         1,
                         &pipelineInfo,
                         null,
@@ -2213,6 +2373,7 @@ internal static unsafe class VulkanVideoPresenter
         private TranslatedDrawResources CreateTranslatedDrawResources(
             VulkanTranslatedGuestDraw draw,
             RenderPass renderPass,
+            Format renderTargetFormat,
             Extent2D extent)
         {
             var vertexSpirv = draw.VertexSpirv;
@@ -2279,7 +2440,13 @@ internal static unsafe class VulkanVideoPresenter
                 CreateTranslatedDescriptorResources(
                     resources,
                     ShaderStageFlags.VertexBit | ShaderStageFlags.FragmentBit);
-                CreateTranslatedPipeline(resources, vertexSpirv, draw.PixelSpirv, renderPass, extent);
+                CreateTranslatedPipeline(
+                    resources,
+                    vertexSpirv,
+                    draw.PixelSpirv,
+                    renderPass,
+                    renderTargetFormat,
+                    extent);
                 return resources;
             }
             catch
@@ -2575,12 +2742,13 @@ internal static unsafe class VulkanVideoPresenter
             byte[] vertexSpirv,
             byte[] fragmentSpirv,
             RenderPass renderPass,
+            Format renderTargetFormat,
             Extent2D extent)
         {
             var pipelineKey = new GraphicsPipelineKey(
                 GetShaderDigest(vertexSpirv),
                 GetShaderDigest(fragmentSpirv),
-                renderPass.Handle,
+                renderTargetFormat,
                 resources.Topology,
                 resources.Blend,
                 GetResourceLayoutKey(resources),
@@ -2736,7 +2904,7 @@ internal static unsafe class VulkanVideoPresenter
                     Check(
                         _vk.CreateGraphicsPipelines(
                             _device,
-                            default,
+                            _pipelineCache,
                             1,
                             &pipelineInfo,
                             null,
@@ -2916,7 +3084,7 @@ internal static unsafe class VulkanVideoPresenter
                 Check(
                     _vk.CreateComputePipelines(
                         _device,
-                        default,
+                        _pipelineCache,
                         1,
                         &pipelineInfo,
                         null,
@@ -3442,11 +3610,36 @@ internal static unsafe class VulkanVideoPresenter
         {
             const ulong offsetBasis = 14695981039346656037;
             const ulong prime = 1099511628211;
-            var hash = offsetBasis;
-            foreach (var value in pixels)
+
+            var h0 = offsetBasis ^ (ulong)pixels.Length;
+            var h1 = offsetBasis;
+            var h2 = offsetBasis;
+            var h3 = offsetBasis;
+
+            var words = MemoryMarshal.Cast<byte, ulong>(pixels);
+            var index = 0;
+            var blockEnd = words.Length - (words.Length & 3);
+            for (; index < blockEnd; index += 4)
             {
-                hash ^= value;
-                hash *= prime;
+                h0 = (h0 ^ words[index]) * prime;
+                h1 = (h1 ^ words[index + 1]) * prime;
+                h2 = (h2 ^ words[index + 2]) * prime;
+                h3 = (h3 ^ words[index + 3]) * prime;
+            }
+
+            for (; index < words.Length; index++)
+            {
+                h0 = (h0 ^ words[index]) * prime;
+            }
+
+            var hash = h0;
+            hash = (hash ^ h1) * prime;
+            hash = (hash ^ h2) * prime;
+            hash = (hash ^ h3) * prime;
+
+            foreach (var value in pixels[(words.Length * sizeof(ulong))..])
+            {
+                hash = (hash ^ value) * prime;
             }
 
             return hash;
@@ -3459,10 +3652,7 @@ internal static unsafe class VulkanVideoPresenter
             uint width,
             uint height)
         {
-            if (!string.Equals(
-                    Environment.GetEnvironmentVariable("SHARPEMU_DUMP_TEXTURES"),
-                    "1",
-                    StringComparison.Ordinal) ||
+            if (!_dumpTextures ||
                 texture.IsFallback ||
                 texture.IsStorage ||
                 GetTextureBytesPerPixel(texture.Format) != 4 ||
@@ -4483,6 +4673,7 @@ internal static unsafe class VulkanVideoPresenter
                 resources = CreateTranslatedDrawResources(
                     work.Draw,
                     target.RenderPass,
+                    target.Format,
                     extent);
                 resources.DebugName =
                     $"SharpEmu offscreen rt=0x{work.Target.Address:X16} " +
@@ -5119,6 +5310,8 @@ internal static unsafe class VulkanVideoPresenter
                 return;
             }
 
+            CompletePendingPresentation(wait: true);
+
             byte[]? pixels = null;
             if (presentation.Pixels is { } sourcePixels)
             {
@@ -5166,6 +5359,7 @@ internal static unsafe class VulkanVideoPresenter
                     translatedResources = CreateTranslatedDrawResources(
                         translatedDraw,
                         _renderPass,
+                        _swapchainFormat,
                         _extent);
                     if (ShouldTracePresentedGuestImageContentsForDiagnostics() &&
                         !_firstGuestDrawPresented)
@@ -5297,7 +5491,16 @@ internal static unsafe class VulkanVideoPresenter
                 SignalSemaphoreCount = 1,
                 PSignalSemaphores = &renderFinished,
             };
-            Check(_vk.QueueSubmit(_queue, 1, &submitInfo, default), "vkQueueSubmit");
+            var presentationFence = _presentationFence;
+            Check(
+                _vk.ResetFences(_device, 1, &presentationFence),
+                "vkResetFences(presentation)");
+            Check(
+                _vk.QueueSubmit(_queue, 1, &submitInfo, presentationFence),
+                "vkQueueSubmit");
+            _presentationInFlight = true;
+            _pendingPresentationResources = translatedResources;
+            translatedResources = null;
 
             var swapchain = _swapchain;
             var presentInfo = new PresentInfoKHR
@@ -5313,6 +5516,7 @@ internal static unsafe class VulkanVideoPresenter
             if (presentResult == Result.ErrorOutOfDateKhr)
             {
                 Check(_vk.QueueWaitIdle(_queue), "vkQueueWaitIdle");
+                CompletePendingPresentation(wait: false);
                 CollectCompletedGuestSubmissions(waitForOldest: false);
                 if (translatedResources is not null)
                 {
@@ -5325,19 +5529,13 @@ internal static unsafe class VulkanVideoPresenter
 
             CheckSwapchainResult(presentResult, "vkQueuePresentKHR");
             recreateAfterPresent |= presentResult == Result.SuboptimalKhr;
-            Check(_vk.QueueWaitIdle(_queue), "vkQueueWaitIdle");
             VideoOutExports.ReportPresentedFrame();
             if (_swapchainReadbackPending)
             {
+                CompletePendingPresentation(wait: true);
                 TraceSwapchainReadback();
             }
             CollectCompletedGuestSubmissions(waitForOldest: false);
-            if (translatedResources is not null)
-            {
-                MarkSampledImagesInitialized(translatedResources);
-                MarkStorageImagesInitialized(translatedResources);
-                DestroyTranslatedDrawResources(translatedResources);
-            }
 
             _imageInitialized[imageIndex] = true;
             _presentedSequence = presentation.Sequence;
@@ -6591,7 +6789,9 @@ internal static unsafe class VulkanVideoPresenter
             }
             _vulkanReady = false;
             _vk.DeviceWaitIdle(_device);
+            CompletePendingPresentation(wait: false);
             CollectCompletedGuestSubmissions(waitForOldest: false);
+            SavePipelineCache();
             foreach (var pipeline in _computePipelines.Values)
             {
                 _vk.DestroyPipeline(_device, pipeline, null);
@@ -6602,6 +6802,11 @@ internal static unsafe class VulkanVideoPresenter
                 _vk.DestroyPipeline(_device, pipeline, null);
             }
             _graphicsPipelines.Clear();
+            if (_pipelineCache.Handle != 0)
+            {
+                _vk.DestroyPipelineCache(_device, _pipelineCache, null);
+                _pipelineCache = default;
+            }
             foreach (var layout in _descriptorLayouts.Values)
             {
                 _vk.DestroyPipelineLayout(_device, layout.PipelineLayout, null);
@@ -6693,6 +6898,7 @@ internal static unsafe class VulkanVideoPresenter
             Console.Error.WriteLine(
                 $"[LOADER][INFO] Vulkan VideoOut recreating swapchain after {operation}: {result}");
             _vk.DeviceWaitIdle(_device);
+            CompletePendingPresentation(wait: false);
             CollectCompletedGuestSubmissions(waitForOldest: false);
             DestroySwapchainResources();
             CreateSwapchain();
@@ -6726,6 +6932,11 @@ internal static unsafe class VulkanVideoPresenter
                 _vk.DestroySemaphore(_device, _renderFinished, null);
                 _renderFinished = default;
             }
+            if (_presentationFence.Handle != 0)
+            {
+                _vk.DestroyFence(_device, _presentationFence, null);
+                _presentationFence = default;
+            }
             if (_barycentricPipeline.Handle != 0)
             {
                 _vk.DestroyPipeline(_device, _barycentricPipeline, null);

src/SharpEmu.Libs/Voice/VoiceQoSExports.cs

@@ -0,0 +1,19 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+
+namespace SharpEmu.Libs.Voice;
+
+public static class VoiceQoSExports
+{
+    [SysAbiExport(
+        Nid = "U8IfNl6-Css",
+        ExportName = "sceVoiceQoSInit",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVoiceQoS")]
+    public static int VoiceQoSInit(CpuContext ctx)
+    {
+        return ctx.SetReturn(0);
+    }
+}

src/SharpEmu.Logging/FileLogSink.cs

@@ -6,19 +6,15 @@ using System.Text;
 
 namespace SharpEmu.Logging;
 
-/// <summary>
-/// Writes log entries to a file. Thread-safe via an internal lock.
-/// <see cref="StreamWriter.AutoFlush"/> is enabled so entries survive a crash.
-/// </summary>
 public sealed class FileLogSink : ISharpEmuLogSink, IDisposable
 {
+    private static readonly TimeSpan FlushInterval = TimeSpan.FromMilliseconds(500);
+
     private readonly object _sync = new();
     private readonly StreamWriter _writer;
+    private readonly Timer _flushTimer;
     private bool _disposed;
 
-    /// <param name="path">Absolute or relative file path. Parent directories are created if missing.</param>
-    /// <param name="append"><see langword="true"/> to append to an existing file; <see langword="false"/> to overwrite.</param>
-    /// <param name="includeTimestamp">Always recommended for file logs — entries include a full date-time prefix.</param>
     public FileLogSink(string path, bool append = true, bool includeTimestamp = true)
     {
         ArgumentException.ThrowIfNullOrWhiteSpace(path);
@@ -34,14 +30,20 @@ public sealed class FileLogSink : ISharpEmuLogSink, IDisposable
             append ? FileMode.Append : FileMode.Create,
             FileAccess.Write,
             FileShare.Read,
-            bufferSize: 4096,
+            bufferSize: 65536,
             FileOptions.SequentialScan);
-        _writer = new StreamWriter(fileStream, Encoding.UTF8)
+        _writer = new StreamWriter(fileStream, Encoding.UTF8, bufferSize: 65536)
         {
-            AutoFlush = true
+            AutoFlush = false
         };
 
         IncludeTimestamp = includeTimestamp;
+
+        _flushTimer = new Timer(
+            static state => ((FileLogSink)state!).FlushBuffered(),
+            this,
+            FlushInterval,
+            FlushInterval);
     }
 
     public bool IncludeTimestamp { get; set; }
@@ -84,11 +86,31 @@ public sealed class FileLogSink : ISharpEmuLogSink, IDisposable
             {
                 _writer.WriteLine(entry.Exception);
             }
+
+            if (entry.Level >= LogLevel.Error)
+            {
+                _writer.Flush();
+            }
+        }
+    }
+
+    private void FlushBuffered()
+    {
+        lock (_sync)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            _writer.Flush();
         }
     }
 
     public void Dispose()
     {
+        _flushTimer.Dispose();
+
         lock (_sync)
         {
             if (_disposed)

src/SharpEmu.Logging/HostSystemInfo.cs

@@ -36,11 +36,16 @@ public static class HostSystemInfo
             using var key = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DESCRIPTION\System\CentralProcessor\0");
             if (key?.GetValue("ProcessorNameString") is string name && !string.IsNullOrWhiteSpace(name))
             {
-                return Regex.Replace(
+                name = Regex.Replace(
                     name.Trim(),
                     @"\s+\d+-Core Processor$",
                     string.Empty,
                     RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+                return Regex.Replace(
+                    name,
+                    @"\s+with Radeon Graphics$",
+                    string.Empty,
+                    RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
             }
         }
         catch (Exception)
@@ -103,8 +108,12 @@ public static class HostSystemInfo
         }
 
         if (name.Contains("nvidia", StringComparison.OrdinalIgnoreCase) ||
-            name.Contains("geforce", StringComparison.OrdinalIgnoreCase) ||
-            name.Contains("amd", StringComparison.OrdinalIgnoreCase) ||
+            name.Contains("geforce", StringComparison.OrdinalIgnoreCase))
+        {
+            return 3;
+        }
+
+        if (name.Contains("amd", StringComparison.OrdinalIgnoreCase) ||
             name.Contains("radeon", StringComparison.OrdinalIgnoreCase))
         {
             return 2;

tools/SharpEmu.Tools.ShaderDump/Program.cs

@@ -0,0 +1,275 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Synthetic-shader conformance dumper.
+//
+// Feeds hand-assembled Gen5 (gfx10) instruction words through the real
+// decode -> SPIR-V pipeline (Gen5ShaderTranslator / Gen5SpirvTranslator, via
+// reflection so no emulator source changes are required) and writes the
+// resulting vertex and compute SPIR-V blobs to disk. The blobs can then be
+// checked with spirv-val / spirv-dis.
+//
+// Programs that contain buffer_store_dword automatically get a single
+// global-memory binding covering every store, which the emitter exposes as
+// guestBuffers[0] (descriptor set 0, binding 0).
+//
+// Each program carries an expectation: ExpectTranslate=true programs must
+// decode and emit both stages; ExpectTranslate=false programs pin a decode
+// failure that must stay loud. Any unexpected outcome makes the tool exit
+// non-zero, so it can gate scripts/CI.
+//
+// Usage: SharpEmu.Tools.ShaderDump [output-directory]
+
+using System.Buffers.Binary;
+using System.Reflection;
+using SharpEmu.HLE;
+using SharpEmu.Libs.CxxAbi;
+
+const ulong ProgramAddress = 0x100000;
+
+(string Name, bool ExpectTranslate, uint[] Words)[] testPrograms =
+[
+    ("fmac", true, [
+        0x560A0501,             // v_fmac_f32 v5, v1, v2
+        0x580A0501, 0x42280000, // v_fmamk_f32 v5, v1, 42.0, v2
+        0x5A0A0501, 0x42280000, // v_fmaak_f32 v5, v1, v2, 42.0
+        0xD52B0005, 0x00020501, // v_fmac_f32_e64 v5, v1, v2
+        0xBF810000,             // s_endpgm
+    ]),
+    ("muls", true, [
+        0xD5690005, 0x00020501, // v_mul_lo_u32 v5, v1, v2
+        0xD56A0005, 0x00020501, // v_mul_hi_u32 v5, v1, v2
+        0xD56B0005, 0x00020501, // v_mul_lo_i32 v5, v1, v2
+        0xD56C0005, 0x00020501, // v_mul_hi_i32 v5, v1, v2
+        0xBF810000,             // s_endpgm
+    ]),
+    ("sopp-hints", true, [
+        0xBFA10001,             // s_clause 0x1
+        0xBFA30000,             // s_waitcnt_depctr 0x0
+        0xBF810000,             // s_endpgm
+    ]),
+    // s_round_mode / s_denorm_mode write the FP MODE state and must keep
+    // failing decode loudly until their semantics are modeled (see #108);
+    // this program pins that behavior.
+    ("sopp-mode", false, [
+        0xBFA40000,             // s_round_mode 0x0
+        0xBFA50000,             // s_denorm_mode 0x0
+        0xBF810000,             // s_endpgm
+    ]),
+    // Executable end-to-end test: compute with real ALU instructions, then
+    // buffer_store_dword results to guestBuffers[0] at offsets 0/4/8, prove
+    // that a store with EXEC=0 does not land (offset 12 stays sentinel), and
+    // that stores work again after EXEC is restored (offset 16).
+    ("exec", true, [
+        0xBFA10001,             // s_clause 0x1 (hint no-op in an executed program, needs #108)
+        0x7E0002FF, 0x3FC00000, // v_mov_b32 v0, 1.5f
+        0x7E0202FF, 0x40100000, // v_mov_b32 v1, 2.25f
+        0x7E0402FF, 0x41200000, // v_mov_b32 v2, 10.0f
+        0x56040300,             // v_fmac_f32 v2, v0, v1      -> v2 = fma(1.5, 2.25, 10.0)
+        0x7E0602FF, 0x7FFFFFFF, // v_mov_b32 v3, 0x7FFFFFFF
+        0x7E0802FF, 0x00010003, // v_mov_b32 v4, 0x00010003
+        0xD56C0005, 0x00020903, // v_mul_hi_i32 v5, v3, v4
+        0xD56B0006, 0x00020903, // v_mul_lo_i32 v6, v3, v4
+        0xE0700000, 0x80020200, // buffer_store_dword v2, off, s[8:11], 0
+        0xE0700004, 0x80020500, // buffer_store_dword v5, off, s[8:11], 0 offset:4
+        0xE0700008, 0x80020600, // buffer_store_dword v6, off, s[8:11], 0 offset:8
+        0xBEFE0380,             // s_mov_b32 exec_lo, 0       -> lane inactive
+        0xE070000C, 0x80020200, // buffer_store_dword v2, off, s[8:11], 0 offset:12 (masked, must not land)
+        0xBEFE03C1,             // s_mov_b32 exec_lo, -1      -> lane active again
+        0xE0700010, 0x80020000, // buffer_store_dword v0, off, s[8:11], 0 offset:16
+        0xBF810000,             // s_endpgm
+    ]),
+];
+
+var assembly = typeof(CxaGuardExports).Assembly;
+var shaderTranslator = assembly.GetType("SharpEmu.Libs.Agc.Gen5ShaderTranslator")
+    ?? throw new InvalidOperationException("Gen5ShaderTranslator not found");
+var spirvTranslator = assembly.GetType("SharpEmu.Libs.Agc.Gen5SpirvTranslator")
+    ?? throw new InvalidOperationException("Gen5SpirvTranslator not found");
+var describe = shaderTranslator.GetMethod(
+    "Describe",
+    BindingFlags.Public | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5ShaderTranslator.Describe not found");
+var tryDecode = shaderTranslator.GetMethod(
+    "TryDecodeProgram",
+    BindingFlags.NonPublic | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5ShaderTranslator.TryDecodeProgram not found");
+var stateType = assembly.GetType("SharpEmu.Libs.Agc.Gen5ShaderState")
+    ?? throw new InvalidOperationException("Gen5ShaderState not found");
+var evaluationType = assembly.GetType("SharpEmu.Libs.Agc.Gen5ShaderEvaluation")
+    ?? throw new InvalidOperationException("Gen5ShaderEvaluation not found");
+var imageBindingType = assembly.GetType("SharpEmu.Libs.Agc.Gen5ImageBinding")
+    ?? throw new InvalidOperationException("Gen5ImageBinding not found");
+var globalBindingType = assembly.GetType("SharpEmu.Libs.Agc.Gen5GlobalMemoryBinding")
+    ?? throw new InvalidOperationException("Gen5GlobalMemoryBinding not found");
+var tryCompile = spirvTranslator.GetMethod(
+    "TryCompileVertexShader",
+    BindingFlags.Public | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5SpirvTranslator.TryCompileVertexShader not found");
+var tryCompileCompute = spirvTranslator.GetMethod(
+    "TryCompileComputeShader",
+    BindingFlags.Public | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5SpirvTranslator.TryCompileComputeShader not found");
+
+var outputDirectory = args.Length > 0
+    ? args[0]
+    : Path.Combine(AppContext.BaseDirectory, "spv");
+Directory.CreateDirectory(outputDirectory);
+
+var failures = 0;
+foreach (var (name, expectTranslate, words) in testPrograms)
+{
+    var memory = new FakeMemory();
+    memory.AddRegion(ProgramAddress, words);
+    var ctx = new CpuContext(memory, Generation.Gen5);
+
+    Console.WriteLine(
+        $"[{name}] decode: " +
+        (string)describe.Invoke(null, [ctx, ProgramAddress, ProgramAddress])!);
+
+    object?[] decodeArgs = [ctx, ProgramAddress, null, null];
+    if (!(bool)tryDecode.Invoke(null, decodeArgs)!)
+    {
+        if (expectTranslate)
+        {
+            failures++;
+            Console.WriteLine($"[{name}] FAILED: decode error ({decodeArgs[3]})");
+        }
+        else
+        {
+            Console.WriteLine($"[{name}] decode failed as expected ({decodeArgs[3]})");
+        }
+
+        continue;
+    }
+
+    if (!expectTranslate)
+    {
+        failures++;
+        Console.WriteLine(
+            $"[{name}] FAILED: decoded successfully but is pinned as a decode failure — " +
+            "if the new decode support is intentional, its semantics need verifying here first");
+        continue;
+    }
+
+    // Buffer stores need a global-memory binding; the emitter resolves them by
+    // instruction PC, so collect store PCs from the decoded program itself.
+    var programObj = decodeArgs[2]!;
+    var instructions = (System.Collections.IEnumerable)programObj
+        .GetType().GetProperty("Instructions")!.GetValue(programObj)!;
+    var storePcs = new List<uint>();
+    foreach (var instruction in instructions)
+    {
+        var op = (string)instruction.GetType().GetProperty("Opcode")!.GetValue(instruction)!;
+        if (op.StartsWith("BufferStore", StringComparison.Ordinal))
+        {
+            storePcs.Add((uint)instruction.GetType().GetProperty("Pc")!.GetValue(instruction)!);
+        }
+    }
+
+    // The binding's scalar base (8 -> s[8:11]) must match the srsrc field of
+    // the hand-assembled buffer_store words, and the 64-byte backing store
+    // must cover every hand-assembled store offset.
+    var globalBindings = Array.CreateInstance(globalBindingType, storePcs.Count > 0 ? 1 : 0);
+    if (storePcs.Count > 0)
+    {
+        globalBindings.SetValue(
+            Activator.CreateInstance(
+                globalBindingType,
+                8u,
+                0UL,
+                (IReadOnlyList<uint>)storePcs,
+                new byte[64]),
+            0);
+    }
+
+    var state = Activator.CreateInstance(
+        stateType,
+        programObj,
+        new uint[16],
+        null,
+        null,
+        0u)!;
+    var evaluation = Activator.CreateInstance(
+        evaluationType,
+        new uint[256],
+        new uint[256],
+        new Dictionary<uint, IReadOnlyList<uint>>(),
+        Array.CreateInstance(imageBindingType, 0),
+        globalBindings,
+        null,
+        null,
+        null)!;
+
+    object?[] compileArgs = [state, evaluation, null, null, 0, -1, 0];
+    if ((bool)tryCompile.Invoke(null, compileArgs)!)
+    {
+        var shader = compileArgs[2]!;
+        var spirv = (byte[])shader.GetType().GetProperty("Spirv")!.GetValue(shader)!;
+        var path = Path.Combine(outputDirectory, $"{name}.spv");
+        File.WriteAllBytes(path, spirv);
+        Console.WriteLine($"[{name}] emit: success, {spirv.Length} bytes -> {path}");
+    }
+    else
+    {
+        failures++;
+        Console.WriteLine($"[{name}] emit: FAILED ({compileArgs[3]})");
+    }
+
+    object?[] computeArgs = [state, evaluation, 1u, 1u, 1u, null, null];
+    if ((bool)tryCompileCompute.Invoke(null, computeArgs)!)
+    {
+        var shader = computeArgs[5]!;
+        var spirv = (byte[])shader.GetType().GetProperty("Spirv")!.GetValue(shader)!;
+        var path = Path.Combine(outputDirectory, $"{name}-cs.spv");
+        File.WriteAllBytes(path, spirv);
+        Console.WriteLine($"[{name}] compute emit: success, {spirv.Length} bytes -> {path}");
+    }
+    else
+    {
+        failures++;
+        Console.WriteLine($"[{name}] compute emit: FAILED ({computeArgs[6]})");
+    }
+}
+
+Console.WriteLine(failures == 0
+    ? "RESULT: all programs behaved as expected"
+    : $"RESULT: {failures} unexpected outcome(s)");
+Environment.ExitCode = failures == 0 ? 0 : 1;
+
+internal sealed class FakeMemory : ICpuMemory
+{
+    private readonly List<(ulong Base, byte[] Data)> _regions = [];
+
+    public void AddRegion(ulong baseAddress, uint[] words)
+    {
+        var bytes = new byte[words.Length * sizeof(uint)];
+        for (var index = 0; index < words.Length; index++)
+        {
+            BinaryPrimitives.WriteUInt32LittleEndian(
+                bytes.AsSpan(index * sizeof(uint)),
+                words[index]);
+        }
+
+        _regions.Add((baseAddress, bytes));
+    }
+
+    public bool TryRead(ulong virtualAddress, Span<byte> destination)
+    {
+        foreach (var (baseAddress, data) in _regions)
+        {
+            if (virtualAddress >= baseAddress &&
+                virtualAddress + (ulong)destination.Length <= baseAddress + (ulong)data.Length)
+            {
+                data.AsSpan(
+                    (int)(virtualAddress - baseAddress),
+                    destination.Length).CopyTo(destination);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public bool TryWrite(ulong virtualAddress, ReadOnlySpan<byte> source) => false;
+}

tools/SharpEmu.Tools.ShaderDump/SharpEmu.Tools.ShaderDump.csproj

@@ -0,0 +1,19 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+-->
+
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <!-- Standalone dev tool: opt out of the repo-wide lock-file requirement
+         so no packages.lock.json is generated or committed for it. -->
+    <RestorePackagesWithLockFile>false</RestorePackagesWithLockFile>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\SharpEmu.Libs\SharpEmu.Libs.csproj" />
+  </ItemGroup>
+
+</Project>