Android #19

memory: cleanup

.ci/scripts/linux/docker.sh

@@ -35,7 +35,7 @@ DESTDIR="$PWD/AppDir" ninja install
 rm -vf AppDir/usr/bin/yuzu-cmd AppDir/usr/bin/yuzu-tester
 
 # Download tools needed to build an AppImage
-wget -nc https://raw.githubusercontent.com/yuzu-emu/ext-linux-bin/main/gcc/deploy-linux.sh
+wget -nc https://raw.githubusercontent.com/yuzu-emu/ext-linux-bin/main/appimage/deploy-linux.sh
 wget -nc https://raw.githubusercontent.com/yuzu-emu/AppImageKit-checkrt/old/AppRun.sh
 wget -nc https://github.com/yuzu-emu/ext-linux-bin/raw/main/appimage/exec-x86_64.so
 # Set executable bit

.ci/scripts/windows/docker.sh

@@ -56,7 +56,6 @@ for i in package/*.exe; do
   x86_64-w64-mingw32-strip "${i}"
 done
 
-pip3 install pefile
 python3 .ci/scripts/windows/scan_dll.py package/*.exe package/imageformats/*.dll "package/"
 
 # copy FFmpeg libraries

.ci/templates/build-msvc.yml

@@ -12,7 +12,7 @@ steps:
   inputs:
     targetType: 'filePath'
     filePath: './.ci/scripts/windows/install-vulkan-sdk.ps1'
-- script: refreshenv && glslangValidator --version && mkdir build && cd build && cmake -E env CXXFLAGS="/Gw /GA /Gr /Ob2" cmake -G "Visual Studio 17 2022" -A x64 -DCMAKE_POLICY_DEFAULT_CMP0069=NEW -DYUZU_ENABLE_LTO=ON -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_SDL2=1 -DYUZU_USE_QT_WEB_ENGINE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DYUZU_TESTS=OFF -DUSE_DISCORD_PRESENCE=ON -DENABLE_QT_TRANSLATION=ON -DDISPLAY_VERSION=${{ parameters['version'] }} -DCMAKE_BUILD_TYPE=Release -DYUZU_CRASH_DUMPS=ON .. && cd ..
+- script: refreshenv && glslangValidator --version && mkdir build && cd build && cmake -E env CXXFLAGS="/Gw" cmake -G "Visual Studio 17 2022" -A x64 -DCMAKE_POLICY_DEFAULT_CMP0069=NEW -DYUZU_ENABLE_LTO=ON -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_SDL2=1 -DYUZU_USE_QT_WEB_ENGINE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DYUZU_TESTS=OFF -DUSE_DISCORD_PRESENCE=ON -DENABLE_QT_TRANSLATION=ON -DDISPLAY_VERSION=${{ parameters['version'] }} -DCMAKE_BUILD_TYPE=Release -DYUZU_CRASH_DUMPS=ON .. && cd ..
   displayName: 'Configure CMake'
 - task: MSBuild@1
   displayName: 'Build'

.gitmodules

@@ -56,5 +56,5 @@
 	path = externals/nx_tzdb/tzdb_to_nx
 	url = https://github.com/lat9nq/tzdb_to_nx.git
 [submodule "VulkanMemoryAllocator"]
-	path = externals/vma/VulkanMemoryAllocator
+	path = externals/VulkanMemoryAllocator
 	url = https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git

CMakeLists.txt

@@ -63,6 +63,18 @@ option(YUZU_DOWNLOAD_TIME_ZONE_DATA "Always download time zone binaries" OFF)
 
 CMAKE_DEPENDENT_OPTION(YUZU_USE_FASTER_LD "Check if a faster linker is available" ON "NOT WIN32" OFF)
 
+set(DEFAULT_ENABLE_OPENSSL ON)
+if (ANDROID OR WIN32 OR APPLE)
+    # - Windows defaults to the Schannel backend.
+    # - macOS defaults to the SecureTransport backend.
+    # - Android currently has no SSL backend as the NDK doesn't include any SSL
+    #   library; a proper 'native' backend would have to go through Java.
+    # But you can force builds for those platforms to use OpenSSL if you have
+    # your own copy of it.
+    set(DEFAULT_ENABLE_OPENSSL OFF)
+endif()
+option(ENABLE_OPENSSL "Enable OpenSSL backend for ISslConnection" ${DEFAULT_ENABLE_OPENSSL})
+
 # On Android, fetch and compile libcxx before doing anything else
 if (ANDROID)
     set(CMAKE_SKIP_INSTALL_RULES ON)
@@ -277,10 +289,11 @@ find_package(Boost 1.79.0 REQUIRED context)
 find_package(enet 1.3 MODULE)
 find_package(fmt 9 REQUIRED)
 find_package(inih 52 MODULE COMPONENTS INIReader)
-find_package(LLVM MODULE COMPONENTS Demangle)
+find_package(LLVM 17 MODULE COMPONENTS Demangle)
 find_package(lz4 REQUIRED)
 find_package(nlohmann_json 3.8 REQUIRED)
 find_package(Opus 1.3 MODULE)
+find_package(VulkanMemoryAllocator CONFIG)
 find_package(ZLIB 1.2 REQUIRED)
 find_package(zstd 1.5 REQUIRED)
 
@@ -322,6 +335,10 @@ if (MINGW)
     find_library(MSWSOCK_LIBRARY mswsock REQUIRED)
 endif()
 
+if(ENABLE_OPENSSL)
+    find_package(OpenSSL 1.1.1 REQUIRED)
+endif()
+
 # Please consider this as a stub
 if(ENABLE_QT6 AND Qt6_LOCATION)
     list(APPEND CMAKE_PREFIX_PATH "${Qt6_LOCATION}")

README.md

@@ -1,3 +1,11 @@
+| Pull Request | Commit | Title | Author | Merged? |
+|----|----|----|----|----|
+
+
+End of merge log. You can find the original README.md below the break.
+
+-----
+
 <!--
 SPDX-FileCopyrightText: 2018 yuzu Emulator Project
 SPDX-License-Identifier: GPL-2.0-or-later

externals/CMakeLists.txt

@@ -144,9 +144,9 @@ endif()
 add_subdirectory(nx_tzdb)
 
 # VMA
-add_library(vma vma/vma.cpp)
-target_include_directories(vma PUBLIC ./vma/VulkanMemoryAllocator/include)
-target_link_libraries(vma PRIVATE Vulkan::Headers)
+if (NOT TARGET GPUOpen::VulkanMemoryAllocator)
+    add_subdirectory(VulkanMemoryAllocator)
+endif()
 
 if (NOT TARGET LLVM::Demangle)
     add_library(demangle demangle/ItaniumDemangle.cpp)

externals/demangle/ItaniumDemangle.cpp

@@ -20,9 +20,7 @@
 #include <cstdlib>
 #include <cstring>
 #include <functional>
-#include <numeric>
 #include <utility>
-#include <vector>
 
 using namespace llvm;
 using namespace llvm::itanium_demangle;
@@ -81,8 +79,8 @@ struct DumpVisitor {
   }
 
   void printStr(const char *S) { fprintf(stderr, "%s", S); }
-  void print(StringView SV) {
-    fprintf(stderr, "\"%.*s\"", (int)SV.size(), SV.begin());
+  void print(std::string_view SV) {
+    fprintf(stderr, "\"%.*s\"", (int)SV.size(), SV.data());
   }
   void print(const Node *N) {
     if (N)
@@ -90,14 +88,6 @@ struct DumpVisitor {
     else
       printStr("<null>");
   }
-  void print(NodeOrString NS) {
-    if (NS.isNode())
-      print(NS.asNode());
-    else if (NS.isString())
-      print(NS.asString());
-    else
-      printStr("NodeOrString()");
-  }
   void print(NodeArray A) {
     ++Depth;
     printStr("{");
@@ -116,13 +106,11 @@ struct DumpVisitor {
   // Overload used when T is exactly 'bool', not merely convertible to 'bool'.
   void print(bool B) { printStr(B ? "true" : "false"); }
 
-  template <class T>
-  typename std::enable_if<std::is_unsigned<T>::value>::type print(T N) {
+  template <class T> std::enable_if_t<std::is_unsigned<T>::value> print(T N) {
     fprintf(stderr, "%llu", (unsigned long long)N);
   }
 
-  template <class T>
-  typename std::enable_if<std::is_signed<T>::value>::type print(T N) {
+  template <class T> std::enable_if_t<std::is_signed<T>::value> print(T N) {
     fprintf(stderr, "%lld", (long long)N);
   }
 
@@ -185,6 +173,50 @@ struct DumpVisitor {
       return printStr("TemplateParamKind::Template");
     }
   }
+  void print(Node::Prec P) {
+    switch (P) {
+    case Node::Prec::Primary:
+      return printStr("Node::Prec::Primary");
+    case Node::Prec::Postfix:
+      return printStr("Node::Prec::Postfix");
+    case Node::Prec::Unary:
+      return printStr("Node::Prec::Unary");
+    case Node::Prec::Cast:
+      return printStr("Node::Prec::Cast");
+    case Node::Prec::PtrMem:
+      return printStr("Node::Prec::PtrMem");
+    case Node::Prec::Multiplicative:
+      return printStr("Node::Prec::Multiplicative");
+    case Node::Prec::Additive:
+      return printStr("Node::Prec::Additive");
+    case Node::Prec::Shift:
+      return printStr("Node::Prec::Shift");
+    case Node::Prec::Spaceship:
+      return printStr("Node::Prec::Spaceship");
+    case Node::Prec::Relational:
+      return printStr("Node::Prec::Relational");
+    case Node::Prec::Equality:
+      return printStr("Node::Prec::Equality");
+    case Node::Prec::And:
+      return printStr("Node::Prec::And");
+    case Node::Prec::Xor:
+      return printStr("Node::Prec::Xor");
+    case Node::Prec::Ior:
+      return printStr("Node::Prec::Ior");
+    case Node::Prec::AndIf:
+      return printStr("Node::Prec::AndIf");
+    case Node::Prec::OrIf:
+      return printStr("Node::Prec::OrIf");
+    case Node::Prec::Conditional:
+      return printStr("Node::Prec::Conditional");
+    case Node::Prec::Assign:
+      return printStr("Node::Prec::Assign");
+    case Node::Prec::Comma:
+      return printStr("Node::Prec::Comma");
+    case Node::Prec::Default:
+      return printStr("Node::Prec::Default");
+    }
+  }
 
   void newLine() {
     printStr("\n");
@@ -334,36 +366,21 @@ public:
 
 using Demangler = itanium_demangle::ManglingParser<DefaultAllocator>;
 
-char *llvm::itaniumDemangle(const char *MangledName, char *Buf,
-                            size_t *N, int *Status) {
-  if (MangledName == nullptr || (Buf != nullptr && N == nullptr)) {
-    if (Status)
-      *Status = demangle_invalid_args;
+char *llvm::itaniumDemangle(std::string_view MangledName) {
+  if (MangledName.empty())
     return nullptr;
-  }
-
-  int InternalStatus = demangle_success;
-  Demangler Parser(MangledName, MangledName + std::strlen(MangledName));
-  OutputStream S;
 
+  Demangler Parser(MangledName.data(),
+                   MangledName.data() + MangledName.length());
   Node *AST = Parser.parse();
+  if (!AST)
+    return nullptr;
 
-  if (AST == nullptr)
-    InternalStatus = demangle_invalid_mangled_name;
-  else if (!initializeOutputStream(Buf, N, S, 1024))
-    InternalStatus = demangle_memory_alloc_failure;
-  else {
-    assert(Parser.ForwardTemplateRefs.empty());
-    AST->print(S);
-    S += '\0';
-    if (N != nullptr)
-      *N = S.getCurrentPosition();
-    Buf = S.getBuffer();
-  }
-
-  if (Status)
-    *Status = InternalStatus;
-  return InternalStatus == demangle_success ? Buf : nullptr;
+  OutputBuffer OB;
+  assert(Parser.ForwardTemplateRefs.empty());
+  AST->print(OB);
+  OB += '\0';
+  return OB.getBuffer();
 }
 
 ItaniumPartialDemangler::ItaniumPartialDemangler()
@@ -396,14 +413,12 @@ bool ItaniumPartialDemangler::partialDemangle(const char *MangledName) {
 }
 
 static char *printNode(const Node *RootNode, char *Buf, size_t *N) {
-  OutputStream S;
-  if (!initializeOutputStream(Buf, N, S, 128))
-    return nullptr;
-  RootNode->print(S);
-  S += '\0';
+  OutputBuffer OB(Buf, N);
+  RootNode->print(OB);
+  OB += '\0';
   if (N != nullptr)
-    *N = S.getCurrentPosition();
-  return S.getBuffer();
+    *N = OB.getCurrentPosition();
+  return OB.getBuffer();
 }
 
 char *ItaniumPartialDemangler::getFunctionBaseName(char *Buf, size_t *N) const {
@@ -417,8 +432,8 @@ char *ItaniumPartialDemangler::getFunctionBaseName(char *Buf, size_t *N) const {
     case Node::KAbiTagAttr:
       Name = static_cast<const AbiTagAttr *>(Name)->Base;
       continue;
-    case Node::KStdQualifiedName:
-      Name = static_cast<const StdQualifiedName *>(Name)->Child;
+    case Node::KModuleEntity:
+      Name = static_cast<const ModuleEntity *>(Name)->Name;
       continue;
     case Node::KNestedName:
       Name = static_cast<const NestedName *>(Name)->Name;
@@ -441,9 +456,7 @@ char *ItaniumPartialDemangler::getFunctionDeclContextName(char *Buf,
     return nullptr;
   const Node *Name = static_cast<const FunctionEncoding *>(RootNode)->getName();
 
-  OutputStream S;
-  if (!initializeOutputStream(Buf, N, S, 128))
-    return nullptr;
+  OutputBuffer OB(Buf, N);
 
  KeepGoingLocalFunction:
   while (true) {
@@ -458,27 +471,27 @@ char *ItaniumPartialDemangler::getFunctionDeclContextName(char *Buf,
     break;
   }
 
+  if (Name->getKind() == Node::KModuleEntity)
+    Name = static_cast<const ModuleEntity *>(Name)->Name;
+
   switch (Name->getKind()) {
-  case Node::KStdQualifiedName:
-    S += "std";
-    break;
   case Node::KNestedName:
-    static_cast<const NestedName *>(Name)->Qual->print(S);
+    static_cast<const NestedName *>(Name)->Qual->print(OB);
     break;
   case Node::KLocalName: {
     auto *LN = static_cast<const LocalName *>(Name);
-    LN->Encoding->print(S);
-    S += "::";
+    LN->Encoding->print(OB);
+    OB += "::";
     Name = LN->Entity;
     goto KeepGoingLocalFunction;
   }
   default:
     break;
   }
-  S += '\0';
+  OB += '\0';
   if (N != nullptr)
-    *N = S.getCurrentPosition();
-  return S.getBuffer();
+    *N = OB.getCurrentPosition();
+  return OB.getBuffer();
 }
 
 char *ItaniumPartialDemangler::getFunctionName(char *Buf, size_t *N) const {
@@ -494,17 +507,15 @@ char *ItaniumPartialDemangler::getFunctionParameters(char *Buf,
     return nullptr;
   NodeArray Params = static_cast<FunctionEncoding *>(RootNode)->getParams();
 
-  OutputStream S;
-  if (!initializeOutputStream(Buf, N, S, 128))
-    return nullptr;
+  OutputBuffer OB(Buf, N);
 
-  S += '(';
-  Params.printWithComma(S);
-  S += ')';
-  S += '\0';
+  OB += '(';
+  Params.printWithComma(OB);
+  OB += ')';
+  OB += '\0';
   if (N != nullptr)
-    *N = S.getCurrentPosition();
-  return S.getBuffer();
+    *N = OB.getCurrentPosition();
+  return OB.getBuffer();
 }
 
 char *ItaniumPartialDemangler::getFunctionReturnType(
@@ -512,18 +523,16 @@ char *ItaniumPartialDemangler::getFunctionReturnType(
   if (!isFunction())
     return nullptr;
 
-  OutputStream S;
-  if (!initializeOutputStream(Buf, N, S, 128))
-    return nullptr;
+  OutputBuffer OB(Buf, N);
 
   if (const Node *Ret =
           static_cast<const FunctionEncoding *>(RootNode)->getReturnType())
-    Ret->print(S);
+    Ret->print(OB);
 
-  S += '\0';
+  OB += '\0';
   if (N != nullptr)
-    *N = S.getCurrentPosition();
-  return S.getBuffer();
+    *N = OB.getCurrentPosition();
+  return OB.getBuffer();
 }
 
 char *ItaniumPartialDemangler::finishDemangle(char *Buf, size_t *N) const {
@@ -563,8 +572,8 @@ bool ItaniumPartialDemangler::isCtorOrDtor() const {
     case Node::KNestedName:
       N = static_cast<const NestedName *>(N)->Name;
       break;
-    case Node::KStdQualifiedName:
-      N = static_cast<const StdQualifiedName *>(N)->Child;
+    case Node::KModuleEntity:
+      N = static_cast<const ModuleEntity *>(N)->Name;
       break;
     }
   }

externals/demangle/llvm/Demangle/Demangle.h

@@ -12,6 +12,7 @@
 
 #include <cstddef>
 #include <string>
+#include <string_view>
 
 namespace llvm {
 /// This is a llvm local version of __cxa_demangle. Other than the name and
@@ -29,9 +30,10 @@ enum : int {
   demangle_success = 0,
 };
 
-char *itaniumDemangle(const char *mangled_name, char *buf, size_t *n,
-                      int *status);
-
+/// Returns a non-NULL pointer to a NUL-terminated C style string
+/// that should be explicitly freed, if successful. Otherwise, may return
+/// nullptr if mangled_name is not a valid mangling or is nullptr.
+char *itaniumDemangle(std::string_view mangled_name);
 
 enum MSDemangleFlags {
   MSDF_None = 0,
@@ -40,10 +42,34 @@ enum MSDemangleFlags {
   MSDF_NoCallingConvention = 1 << 2,
   MSDF_NoReturnType = 1 << 3,
   MSDF_NoMemberType = 1 << 4,
+  MSDF_NoVariableType = 1 << 5,
 };
-char *microsoftDemangle(const char *mangled_name, char *buf, size_t *n,
+
+/// Demangles the Microsoft symbol pointed at by mangled_name and returns it.
+/// Returns a pointer to the start of a null-terminated demangled string on
+/// success, or nullptr on error.
+/// If n_read is non-null and demangling was successful, it receives how many
+/// bytes of the input string were consumed.
+/// status receives one of the demangle_ enum entries above if it's not nullptr.
+/// Flags controls various details of the demangled representation.
+char *microsoftDemangle(std::string_view mangled_name, size_t *n_read,
                         int *status, MSDemangleFlags Flags = MSDF_None);
 
+// Demangles a Rust v0 mangled symbol.
+char *rustDemangle(std::string_view MangledName);
+
+// Demangles a D mangled symbol.
+char *dlangDemangle(std::string_view MangledName);
+
+/// Attempt to demangle a string using different demangling schemes.
+/// The function uses heuristics to determine which demangling scheme to use.
+/// \param MangledName - reference to string to demangle.
+/// \returns - the demangled string, or a copy of the input string if no
+/// demangling occurred.
+std::string demangle(std::string_view MangledName);
+
+bool nonMicrosoftDemangle(std::string_view MangledName, std::string &Result);
+
 /// "Partial" demangler. This supports demangling a string into an AST
 /// (typically an intermediate stage in itaniumDemangle) and querying certain
 /// properties or partially printing the demangled name.
@@ -59,7 +85,7 @@ struct ItaniumPartialDemangler {
   bool partialDemangle(const char *MangledName);
 
   /// Just print the entire mangled name into Buf. Buf and N behave like the
-  /// second and third parameters to itaniumDemangle.
+  /// second and third parameters to __cxa_demangle.
   char *finishDemangle(char *Buf, size_t *N) const;
 
   /// Get the base name of a function. This doesn't include trailing template
@@ -95,6 +121,7 @@ struct ItaniumPartialDemangler {
   bool isSpecialName() const;
 
   ~ItaniumPartialDemangler();
+
 private:
   void *RootNode;
   void *Context;

externals/demangle/llvm/Demangle/DemangleConfig.h

@@ -13,8 +13,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEMANGLE_COMPILER_H
-#define LLVM_DEMANGLE_COMPILER_H
+#ifndef LLVM_DEMANGLE_DEMANGLECONFIG_H
+#define LLVM_DEMANGLE_DEMANGLECONFIG_H
 
 #ifndef __has_feature
 #define __has_feature(x) 0

externals/demangle/llvm/Demangle/ItaniumNodes.def

@@ -0,0 +1,96 @@
+//===--- ItaniumNodes.def ------------*- mode:c++;eval:(read-only-mode) -*-===//
+//       Do not edit! See README.txt.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-FileCopyrightText: Part of the LLVM Project
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Define the demangler's node names
+
+#ifndef NODE
+#error Define NODE to handle nodes
+#endif
+
+NODE(NodeArrayNode)
+NODE(DotSuffix)
+NODE(VendorExtQualType)
+NODE(QualType)
+NODE(ConversionOperatorType)
+NODE(PostfixQualifiedType)
+NODE(ElaboratedTypeSpefType)
+NODE(NameType)
+NODE(AbiTagAttr)
+NODE(EnableIfAttr)
+NODE(ObjCProtoName)
+NODE(PointerType)
+NODE(ReferenceType)
+NODE(PointerToMemberType)
+NODE(ArrayType)
+NODE(FunctionType)
+NODE(NoexceptSpec)
+NODE(DynamicExceptionSpec)
+NODE(FunctionEncoding)
+NODE(LiteralOperator)
+NODE(SpecialName)
+NODE(CtorVtableSpecialName)
+NODE(QualifiedName)
+NODE(NestedName)
+NODE(LocalName)
+NODE(ModuleName)
+NODE(ModuleEntity)
+NODE(VectorType)
+NODE(PixelVectorType)
+NODE(BinaryFPType)
+NODE(BitIntType)
+NODE(SyntheticTemplateParamName)
+NODE(TypeTemplateParamDecl)
+NODE(NonTypeTemplateParamDecl)
+NODE(TemplateTemplateParamDecl)
+NODE(TemplateParamPackDecl)
+NODE(ParameterPack)
+NODE(TemplateArgumentPack)
+NODE(ParameterPackExpansion)
+NODE(TemplateArgs)
+NODE(ForwardTemplateReference)
+NODE(NameWithTemplateArgs)
+NODE(GlobalQualifiedName)
+NODE(ExpandedSpecialSubstitution)
+NODE(SpecialSubstitution)
+NODE(CtorDtorName)
+NODE(DtorName)
+NODE(UnnamedTypeName)
+NODE(ClosureTypeName)
+NODE(StructuredBindingName)
+NODE(BinaryExpr)
+NODE(ArraySubscriptExpr)
+NODE(PostfixExpr)
+NODE(ConditionalExpr)
+NODE(MemberExpr)
+NODE(SubobjectExpr)
+NODE(EnclosingExpr)
+NODE(CastExpr)
+NODE(SizeofParamPackExpr)
+NODE(CallExpr)
+NODE(NewExpr)
+NODE(DeleteExpr)
+NODE(PrefixExpr)
+NODE(FunctionParam)
+NODE(ConversionExpr)
+NODE(PointerToMemberConversionExpr)
+NODE(InitListExpr)
+NODE(FoldExpr)
+NODE(ThrowExpr)
+NODE(BoolExpr)
+NODE(StringLiteral)
+NODE(LambdaExpr)
+NODE(EnumLiteral)
+NODE(IntegerLiteral)
+NODE(FloatLiteral)
+NODE(DoubleLiteral)
+NODE(LongDoubleLiteral)
+NODE(BracedExpr)
+NODE(BracedRangeExpr)
+
+#undef NODE

externals/demangle/llvm/Demangle/StringView.h

@@ -1,5 +1,5 @@
-//===--- StringView.h -------------------------------------------*- C++ -*-===//
-//
+//===--- StringView.h ----------------*- mode:c++;eval:(read-only-mode) -*-===//
+//       Do not edit! See README.txt.
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-FileCopyrightText: Part of the LLVM Project
@@ -8,6 +8,9 @@
 //===----------------------------------------------------------------------===//
 //
 // FIXME: Use std::string_view instead when we support C++17.
+// There are two copies of this file in the source tree.  The one under
+// libcxxabi is the original and the one under llvm is the copy.  Use
+// cp-to-llvm.sh to update the copy.  See README.txt for more details.
 //
 //===----------------------------------------------------------------------===//
 
@@ -15,7 +18,6 @@
 #define DEMANGLE_STRINGVIEW_H
 
 #include "DemangleConfig.h"
-#include <algorithm>
 #include <cassert>
 #include <cstring>
 
@@ -37,29 +39,23 @@ public:
   StringView(const char *Str) : First(Str), Last(Str + std::strlen(Str)) {}
   StringView() : First(nullptr), Last(nullptr) {}
 
-  StringView substr(size_t From) const {
-    return StringView(begin() + From, size() - From);
+  StringView substr(size_t Pos, size_t Len = npos) const {
+    assert(Pos <= size());
+    if (Len > size() - Pos)
+      Len = size() - Pos;
+    return StringView(begin() + Pos, Len);
   }
 
   size_t find(char C, size_t From = 0) const {
-    size_t FindBegin = std::min(From, size());
     // Avoid calling memchr with nullptr.
-    if (FindBegin < size()) {
+    if (From < size()) {
       // Just forward to memchr, which is faster than a hand-rolled loop.
-      if (const void *P = ::memchr(First + FindBegin, C, size() - FindBegin))
+      if (const void *P = ::memchr(First + From, C, size() - From))
         return size_t(static_cast<const char *>(P) - First);
     }
     return npos;
   }
 
-  StringView substr(size_t From, size_t To) const {
-    if (To >= size())
-      To = size() - 1;
-    if (From >= size())
-      From = size() - 1;
-    return StringView(First + From, First + To);
-  }
-
   StringView dropFront(size_t N = 1) const {
     if (N >= size())
       N = size();
@@ -106,7 +102,7 @@ public:
   bool startsWith(StringView Str) const {
     if (Str.size() > size())
       return false;
-    return std::equal(Str.begin(), Str.end(), begin());
+    return std::strncmp(Str.begin(), begin(), Str.size()) == 0;
   }
 
   const char &operator[](size_t Idx) const { return *(begin() + Idx); }
@@ -119,7 +115,7 @@ public:
 
 inline bool operator==(const StringView &LHS, const StringView &RHS) {
   return LHS.size() == RHS.size() &&
-         std::equal(LHS.begin(), LHS.end(), RHS.begin());
+         std::strncmp(LHS.begin(), RHS.begin(), LHS.size()) == 0;
 }
 
 DEMANGLE_NAMESPACE_END

externals/demangle/llvm/Demangle/StringViewExtras.h

@@ -0,0 +1,39 @@
+//===--- StringViewExtras.h ----------*- mode:c++;eval:(read-only-mode) -*-===//
+//       Do not edit! See README.txt.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-FileCopyrightText: Part of the LLVM Project
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// There are two copies of this file in the source tree.  The one under
+// libcxxabi is the original and the one under llvm is the copy.  Use
+// cp-to-llvm.sh to update the copy.  See README.txt for more details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef DEMANGLE_STRINGVIEW_H
+#define DEMANGLE_STRINGVIEW_H
+
+#include "DemangleConfig.h"
+
+#include <string_view>
+
+DEMANGLE_NAMESPACE_BEGIN
+
+inline bool starts_with(std::string_view self, char C) noexcept {
+  return !self.empty() && *self.begin() == C;
+}
+
+inline bool starts_with(std::string_view haystack,
+                        std::string_view needle) noexcept {
+  if (needle.size() > haystack.size())
+    return false;
+  haystack.remove_suffix(haystack.size() - needle.size());
+  return haystack == needle;
+}
+
+DEMANGLE_NAMESPACE_END
+
+#endif

externals/demangle/llvm/Demangle/Utility.h

@@ -1,5 +1,5 @@
-//===--- Utility.h ----------------------------------------------*- C++ -*-===//
-//
+//===--- Utility.h -------------------*- mode:c++;eval:(read-only-mode) -*-===//
+//       Do not edit! See README.txt.
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-FileCopyrightText: Part of the LLVM Project
@@ -7,70 +7,83 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// Provide some utility classes for use in the demangler(s).
+// Provide some utility classes for use in the demangler.
+// There are two copies of this file in the source tree.  The one in libcxxabi
+// is the original and the one in llvm is the copy.  Use cp-to-llvm.sh to update
+// the copy.  See README.txt for more details.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef DEMANGLE_UTILITY_H
 #define DEMANGLE_UTILITY_H
 
-#include "StringView.h"
+#include "DemangleConfig.h"
+
+#include <array>
+#include <cassert>
 #include <cstdint>
 #include <cstdlib>
 #include <cstring>
-#include <iterator>
+#include <exception>
 #include <limits>
+#include <string_view>
 
 DEMANGLE_NAMESPACE_BEGIN
 
 // Stream that AST nodes write their string representation into after the AST
 // has been parsed.
-class OutputStream {
-  char *Buffer;
-  size_t CurrentPosition;
-  size_t BufferCapacity;
+class OutputBuffer {
+  char *Buffer = nullptr;
+  size_t CurrentPosition = 0;
+  size_t BufferCapacity = 0;
 
-  // Ensure there is at least n more positions in buffer.
+  // Ensure there are at least N more positions in the buffer.
   void grow(size_t N) {
-    if (N + CurrentPosition >= BufferCapacity) {
+    size_t Need = N + CurrentPosition;
+    if (Need > BufferCapacity) {
+      // Reduce the number of reallocations, with a bit of hysteresis. The
+      // number here is chosen so the first allocation will more-than-likely not
+      // allocate more than 1K.
+      Need += 1024 - 32;
       BufferCapacity *= 2;
-      if (BufferCapacity < N + CurrentPosition)
-        BufferCapacity = N + CurrentPosition;
+      if (BufferCapacity < Need)
+        BufferCapacity = Need;
       Buffer = static_cast<char *>(std::realloc(Buffer, BufferCapacity));
       if (Buffer == nullptr)
         std::terminate();
     }
   }
 
-  void writeUnsigned(uint64_t N, bool isNeg = false) {
-    // Handle special case...
-    if (N == 0) {
-      *this << '0';
-      return;
-    }
+  OutputBuffer &writeUnsigned(uint64_t N, bool isNeg = false) {
+    std::array<char, 21> Temp;
+    char *TempPtr = Temp.data() + Temp.size();
 
-    char Temp[21];
-    char *TempPtr = std::end(Temp);
-
-    while (N) {
-      *--TempPtr = '0' + char(N % 10);
+    // Output at least one character.
+    do {
+      *--TempPtr = char('0' + N % 10);
       N /= 10;
-    }
+    } while (N);
 
-    // Add negative sign...
+    // Add negative sign.
     if (isNeg)
       *--TempPtr = '-';
-    this->operator<<(StringView(TempPtr, std::end(Temp)));
+
+    return operator+=(
+        std::string_view(TempPtr, Temp.data() + Temp.size() - TempPtr));
   }
 
 public:
-  OutputStream(char *StartBuf, size_t Size)
-      : Buffer(StartBuf), CurrentPosition(0), BufferCapacity(Size) {}
-  OutputStream() = default;
-  void reset(char *Buffer_, size_t BufferCapacity_) {
-    CurrentPosition = 0;
-    Buffer = Buffer_;
-    BufferCapacity = BufferCapacity_;
+  OutputBuffer(char *StartBuf, size_t Size)
+      : Buffer(StartBuf), BufferCapacity(Size) {}
+  OutputBuffer(char *StartBuf, size_t *SizePtr)
+      : OutputBuffer(StartBuf, StartBuf ? *SizePtr : 0) {}
+  OutputBuffer() = default;
+  // Non-copyable
+  OutputBuffer(const OutputBuffer &) = delete;
+  OutputBuffer &operator=(const OutputBuffer &) = delete;
+
+  operator std::string_view() const {
+    return std::string_view(Buffer, CurrentPosition);
   }
 
   /// If a ParameterPackExpansion (or similar type) is encountered, the offset
@@ -78,115 +91,116 @@ public:
   unsigned CurrentPackIndex = std::numeric_limits<unsigned>::max();
   unsigned CurrentPackMax = std::numeric_limits<unsigned>::max();
 
-  OutputStream &operator+=(StringView R) {
-    size_t Size = R.size();
-    if (Size == 0)
-      return *this;
-    grow(Size);
-    std::memmove(Buffer + CurrentPosition, R.begin(), Size);
-    CurrentPosition += Size;
+  /// When zero, we're printing template args and '>' needs to be parenthesized.
+  /// Use a counter so we can simply increment inside parentheses.
+  unsigned GtIsGt = 1;
+
+  bool isGtInsideTemplateArgs() const { return GtIsGt == 0; }
+
+  void printOpen(char Open = '(') {
+    GtIsGt++;
+    *this += Open;
+  }
+  void printClose(char Close = ')') {
+    GtIsGt--;
+    *this += Close;
+  }
+
+  OutputBuffer &operator+=(std::string_view R) {
+    if (size_t Size = R.size()) {
+      grow(Size);
+      std::memcpy(Buffer + CurrentPosition, &*R.begin(), Size);
+      CurrentPosition += Size;
+    }
     return *this;
   }
 
-  OutputStream &operator+=(char C) {
+  OutputBuffer &operator+=(char C) {
     grow(1);
     Buffer[CurrentPosition++] = C;
     return *this;
   }
 
-  OutputStream &operator<<(StringView R) { return (*this += R); }
+  OutputBuffer &prepend(std::string_view R) {
+    size_t Size = R.size();
 
-  OutputStream &operator<<(char C) { return (*this += C); }
+    grow(Size);
+    std::memmove(Buffer + Size, Buffer, CurrentPosition);
+    std::memcpy(Buffer, &*R.begin(), Size);
+    CurrentPosition += Size;
 
-  OutputStream &operator<<(long long N) {
-    if (N < 0)
-      writeUnsigned(static_cast<unsigned long long>(-N), true);
-    else
-      writeUnsigned(static_cast<unsigned long long>(N));
     return *this;
   }
 
-  OutputStream &operator<<(unsigned long long N) {
-    writeUnsigned(N, false);
-    return *this;
+  OutputBuffer &operator<<(std::string_view R) { return (*this += R); }
+
+  OutputBuffer &operator<<(char C) { return (*this += C); }
+
+  OutputBuffer &operator<<(long long N) {
+    return writeUnsigned(static_cast<unsigned long long>(std::abs(N)), N < 0);
   }
 
-  OutputStream &operator<<(long N) {
+  OutputBuffer &operator<<(unsigned long long N) {
+    return writeUnsigned(N, false);
+  }
+
+  OutputBuffer &operator<<(long N) {
     return this->operator<<(static_cast<long long>(N));
   }
 
-  OutputStream &operator<<(unsigned long N) {
+  OutputBuffer &operator<<(unsigned long N) {
     return this->operator<<(static_cast<unsigned long long>(N));
   }
 
-  OutputStream &operator<<(int N) {
+  OutputBuffer &operator<<(int N) {
     return this->operator<<(static_cast<long long>(N));
   }
 
-  OutputStream &operator<<(unsigned int N) {
+  OutputBuffer &operator<<(unsigned int N) {
     return this->operator<<(static_cast<unsigned long long>(N));
   }
 
+  void insert(size_t Pos, const char *S, size_t N) {
+    assert(Pos <= CurrentPosition);
+    if (N == 0)
+      return;
+    grow(N);
+    std::memmove(Buffer + Pos + N, Buffer + Pos, CurrentPosition - Pos);
+    std::memcpy(Buffer + Pos, S, N);
+    CurrentPosition += N;
+  }
+
   size_t getCurrentPosition() const { return CurrentPosition; }
   void setCurrentPosition(size_t NewPos) { CurrentPosition = NewPos; }
 
   char back() const {
-    return CurrentPosition ? Buffer[CurrentPosition - 1] : '\0';
+    assert(CurrentPosition);
+    return Buffer[CurrentPosition - 1];
   }
 
   bool empty() const { return CurrentPosition == 0; }
 
   char *getBuffer() { return Buffer; }
   char *getBufferEnd() { return Buffer + CurrentPosition - 1; }
-  size_t getBufferCapacity() { return BufferCapacity; }
+  size_t getBufferCapacity() const { return BufferCapacity; }
 };
 
-template <class T> class SwapAndRestore {
-  T &Restore;
-  T OriginalValue;
-  bool ShouldRestore = true;
+template <class T> class ScopedOverride {
+  T &Loc;
+  T Original;
 
 public:
-  SwapAndRestore(T &Restore_) : SwapAndRestore(Restore_, Restore_) {}
+  ScopedOverride(T &Loc_) : ScopedOverride(Loc_, Loc_) {}
 
-  SwapAndRestore(T &Restore_, T NewVal)
-      : Restore(Restore_), OriginalValue(Restore) {
-    Restore = std::move(NewVal);
-  }
-  ~SwapAndRestore() {
-    if (ShouldRestore)
-      Restore = std::move(OriginalValue);
+  ScopedOverride(T &Loc_, T NewVal) : Loc(Loc_), Original(Loc_) {
+    Loc_ = std::move(NewVal);
   }
+  ~ScopedOverride() { Loc = std::move(Original); }
 
-  void shouldRestore(bool ShouldRestore_) { ShouldRestore = ShouldRestore_; }
-
-  void restoreNow(bool Force) {
-    if (!Force && !ShouldRestore)
-      return;
-
-    Restore = std::move(OriginalValue);
-    ShouldRestore = false;
-  }
-
-  SwapAndRestore(const SwapAndRestore &) = delete;
-  SwapAndRestore &operator=(const SwapAndRestore &) = delete;
+  ScopedOverride(const ScopedOverride &) = delete;
+  ScopedOverride &operator=(const ScopedOverride &) = delete;
 };
 
-inline bool initializeOutputStream(char *Buf, size_t *N, OutputStream &S,
-                                   size_t InitSize) {
-  size_t BufferSize;
-  if (Buf == nullptr) {
-    Buf = static_cast<char *>(std::malloc(InitSize));
-    if (Buf == nullptr)
-      return false;
-    BufferSize = InitSize;
-  } else
-    BufferSize = *N;
-
-  S.reset(Buf, BufferSize);
-  return true;
-}
-
 DEMANGLE_NAMESPACE_END
 
 #endif

src/android/app/src/main/AndroidManifest.xml

@@ -22,7 +22,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
         android:label="@string/app_name_suffixed"
         android:icon="@drawable/ic_launcher"
         android:allowBackup="true"
-        android:hasFragileUserData="true"
+        android:hasFragileUserData="false"
         android:supportsRtl="true"
         android:isGame="true"
         android:localeConfig="@xml/locales_config"

src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/HomeSettingAdapter.kt

@@ -12,6 +12,7 @@ import androidx.core.content.res.ResourcesCompat
 import androidx.recyclerview.widget.RecyclerView
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.databinding.CardHomeOptionBinding
+import org.yuzu.yuzu_emu.fragments.MessageDialogFragment
 import org.yuzu.yuzu_emu.model.HomeSetting
 
 class HomeSettingAdapter(private val activity: AppCompatActivity, var options: List<HomeSetting>) :
@@ -34,7 +35,14 @@ class HomeSettingAdapter(private val activity: AppCompatActivity, var options: L
 
     override fun onClick(view: View) {
         val holder = view.tag as HomeOptionViewHolder
-        holder.option.onClick.invoke()
+        if (holder.option.isEnabled.invoke()) {
+            holder.option.onClick.invoke()
+        } else {
+            MessageDialogFragment.newInstance(
+                holder.option.disabledTitleId,
+                holder.option.disabledMessageId
+            ).show(activity.supportFragmentManager, MessageDialogFragment.TAG)
+        }
     }
 
     inner class HomeOptionViewHolder(val binding: CardHomeOptionBinding) :
@@ -65,6 +73,12 @@ class HomeSettingAdapter(private val activity: AppCompatActivity, var options: L
                             R.drawable.premium_background
                         )
             }
+
+            if (!option.isEnabled.invoke()) {
+                binding.optionTitle.alpha = 0.5f
+                binding.optionDescription.alpha = 0.5f
+                binding.optionIcon.alpha = 0.5f
+            }
         }
     }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/HomeSettingsFragment.kt

@@ -73,102 +73,113 @@ class HomeSettingsFragment : Fragment() {
                 HomeSetting(
                     R.string.advanced_settings,
                     R.string.settings_description,
-                    R.drawable.ic_settings
-                ) { SettingsActivity.launch(requireContext(), SettingsFile.FILE_NAME_CONFIG, "") }
+                    R.drawable.ic_settings,
+                    { SettingsActivity.launch(requireContext(), SettingsFile.FILE_NAME_CONFIG, "") }
+                )
             )
             add(
                 HomeSetting(
                     R.string.open_user_folder,
                     R.string.open_user_folder_description,
-                    R.drawable.ic_folder_open
-                ) { openFileManager() }
+                    R.drawable.ic_folder_open,
+                    { openFileManager() }
+                )
             )
             add(
                 HomeSetting(
                     R.string.preferences_theme,
                     R.string.theme_and_color_description,
-                    R.drawable.ic_palette
-                ) { SettingsActivity.launch(requireContext(), Settings.SECTION_THEME, "") }
-            )
-
-            if (GpuDriverHelper.supportsCustomDriverLoading()) {
-                add(
-                    HomeSetting(
-                        R.string.install_gpu_driver,
-                        R.string.install_gpu_driver_description,
-                        R.drawable.ic_exit
-                    ) { driverInstaller() }
+                    R.drawable.ic_palette,
+                    { SettingsActivity.launch(requireContext(), Settings.SECTION_THEME, "") }
                 )
-            }
-
+            )
+            add(
+                HomeSetting(
+                    R.string.install_gpu_driver,
+                    R.string.install_gpu_driver_description,
+                    R.drawable.ic_exit,
+                    { driverInstaller() },
+                    { GpuDriverHelper.supportsCustomDriverLoading() },
+                    R.string.custom_driver_not_supported,
+                    R.string.custom_driver_not_supported_description
+                )
+            )
             add(
                 HomeSetting(
                     R.string.install_amiibo_keys,
                     R.string.install_amiibo_keys_description,
-                    R.drawable.ic_nfc
-                ) { mainActivity.getAmiiboKey.launch(arrayOf("*/*")) }
+                    R.drawable.ic_nfc,
+                    { mainActivity.getAmiiboKey.launch(arrayOf("*/*")) }
+                )
             )
             add(
                 HomeSetting(
                     R.string.install_game_content,
                     R.string.install_game_content_description,
-                    R.drawable.ic_system_update_alt
-                ) { mainActivity.installGameUpdate.launch(arrayOf("*/*")) }
+                    R.drawable.ic_system_update_alt,
+                    { mainActivity.installGameUpdate.launch(arrayOf("*/*")) }
+                )
             )
             add(
                 HomeSetting(
                     R.string.select_games_folder,
                     R.string.select_games_folder_description,
-                    R.drawable.ic_add
-                ) {
-                    mainActivity.getGamesDirectory.launch(
-                        Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).data
-                    )
-                }
+                    R.drawable.ic_add,
+                    {
+                        mainActivity.getGamesDirectory.launch(
+                            Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).data
+                        )
+                    }
+                )
             )
             add(
                 HomeSetting(
                     R.string.manage_save_data,
                     R.string.import_export_saves_description,
-                    R.drawable.ic_save
-                ) {
-                    ImportExportSavesFragment().show(
-                        parentFragmentManager,
-                        ImportExportSavesFragment.TAG
-                    )
-                }
+                    R.drawable.ic_save,
+                    {
+                        ImportExportSavesFragment().show(
+                            parentFragmentManager,
+                            ImportExportSavesFragment.TAG
+                        )
+                    }
+                )
             )
             add(
                 HomeSetting(
                     R.string.install_prod_keys,
                     R.string.install_prod_keys_description,
-                    R.drawable.ic_unlock
-                ) { mainActivity.getProdKey.launch(arrayOf("*/*")) }
+                    R.drawable.ic_unlock,
+                    { mainActivity.getProdKey.launch(arrayOf("*/*")) }
+                )
             )
             add(
                 HomeSetting(
                     R.string.install_firmware,
                     R.string.install_firmware_description,
-                    R.drawable.ic_firmware
-                ) { mainActivity.getFirmware.launch(arrayOf("application/zip")) }
+                    R.drawable.ic_firmware,
+                    { mainActivity.getFirmware.launch(arrayOf("application/zip")) }
+                )
             )
             add(
                 HomeSetting(
                     R.string.share_log,
                     R.string.share_log_description,
-                    R.drawable.ic_log
-                ) { shareLog() }
+                    R.drawable.ic_log,
+                    { shareLog() }
+                )
             )
             add(
                 HomeSetting(
                     R.string.about,
                     R.string.about_description,
-                    R.drawable.ic_info_outline
-                ) {
-                    exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
-                    parentFragmentManager.primaryNavigationFragment?.findNavController()
-                        ?.navigate(R.id.action_homeSettingsFragment_to_aboutFragment)
-                }
+                    R.drawable.ic_info_outline,
+                    {
+                        exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+                        parentFragmentManager.primaryNavigationFragment?.findNavController()
+                            ?.navigate(R.id.action_homeSettingsFragment_to_aboutFragment)
+                    }
+                )
             )
         }
 
@@ -178,12 +189,13 @@ class HomeSettingsFragment : Fragment() {
                 HomeSetting(
                     R.string.get_early_access,
                     R.string.get_early_access_description,
-                    R.drawable.ic_diamond
-                ) {
-                    exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
-                    parentFragmentManager.primaryNavigationFragment?.findNavController()
-                        ?.navigate(R.id.action_homeSettingsFragment_to_earlyAccessFragment)
-                }
+                    R.drawable.ic_diamond,
+                    {
+                        exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+                        parentFragmentManager.primaryNavigationFragment?.findNavController()
+                            ?.navigate(R.id.action_homeSettingsFragment_to_earlyAccessFragment)
+                    }
+                )
             )
         }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/HomeSetting.kt

@@ -7,5 +7,8 @@ data class HomeSetting(
     val titleId: Int,
     val descriptionId: Int,
     val iconId: Int,
-    val onClick: () -> Unit
+    val onClick: () -> Unit,
+    val isEnabled: () -> Boolean = { true },
+    val disabledTitleId: Int = 0,
+    val disabledMessageId: Int = 0
 )

src/android/app/src/main/jni/native.cpp

@@ -449,7 +449,7 @@ private:
         loader->ReadTitle(entry.title);
         loader->ReadIcon(entry.icon);
         if (loader->GetFileType() == Loader::FileType::NRO) {
-            jauto loader_nro = dynamic_cast<Loader::AppLoader_NRO*>(loader.get());
+            jauto loader_nro = reinterpret_cast<Loader::AppLoader_NRO*>(loader.get());
             entry.isHomebrew = loader_nro->IsHomebrew();
         } else {
             entry.isHomebrew = false;

src/android/app/src/main/res/values/strings.xml

@@ -113,6 +113,8 @@
     <string name="install_game_content_success_install">%1$d installed successfully</string>
     <string name="install_game_content_success_overwrite">%1$d overwritten successfully</string>
     <string name="install_game_content_help_link">https://yuzu-emu.org/help/quickstart/#dumping-installed-updates</string>
+    <string name="custom_driver_not_supported">Custom drivers not supported</string>
+    <string name="custom_driver_not_supported_description">Custom driver loading isn\'t currently supported for this device.\nCheck this option again in the future to see if support was added!</string>
 
     <!-- About screen strings -->
     <string name="gaia_is_not_real">Gaia isn\'t real</string>
@@ -230,7 +232,7 @@
 
     <!-- ROM loading errors -->
     <string name="loader_error_encrypted">Your ROM is encrypted</string>
-    <string name="loader_error_encrypted_roms_description"><![CDATA[Please follow the guides to redump your <a href="https://yuzu-emu.org/help/quickstart/#dumping-cartridge-games">game cartidges</a> or <a href="https://yuzu-emu.org/help/quickstart/#dumping-installed-titles-eshop">installed titles</a>.]]></string>
+    <string name="loader_error_encrypted_roms_description"><![CDATA[Please follow the guides to redump your <a href="https://yuzu-emu.org/help/quickstart/#dumping-physical-titles-game-cards">game cartidges</a> or <a href="https://yuzu-emu.org/help/quickstart/#dumping-digital-titles-eshop">installed titles</a>.]]></string>
     <string name="loader_error_encrypted_keys_description"><![CDATA[Please ensure your <a href="https://yuzu-emu.org/help/quickstart/#dumping-prodkeys-and-titlekeys">prod.keys</a> file is installed so that games can be decrypted.]]></string>
     <string name="loader_error_video_core">An error occurred initializing the video core</string>
     <string name="loader_error_video_core_description">This is usually caused by an incompatible GPU driver. Installing a custom GPU driver may resolve this problem.</string>

src/audio_core/device/device_session.cpp

@@ -92,9 +92,9 @@ void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) {
         if (type == Sink::StreamType::In) {
             stream->AppendBuffer(new_buffer, tmp_samples);
         } else {
-            system.ApplicationMemory().ReadBlockUnsafe(buffer.samples, tmp_samples.data(),
-                                                       buffer.size);
-            stream->AppendBuffer(new_buffer, tmp_samples);
+            Core::Memory::CpuGuestMemory<s16, Core::Memory::GuestMemoryFlags::UnsafeRead> samples(
+                system.ApplicationMemory(), buffer.samples, buffer.size / sizeof(s16));
+            stream->AppendBuffer(new_buffer, samples);
         }
     }
 }

src/audio_core/renderer/command/data_source/decode.cpp

@@ -28,7 +28,6 @@ constexpr std::array<u8, 3> PitchBySrcQuality = {4, 8, 4};
 template <typename T>
 static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
                      const DecodeArg& req) {
-    std::array<T, TempBufferSize> tmp_samples{};
     constexpr s32 min{std::numeric_limits<s16>::min()};
     constexpr s32 max{std::numeric_limits<s16>::max()};
 
@@ -49,19 +48,18 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         const VAddr source{req.buffer +
                            (((req.start_offset + req.offset) * channel_count) * sizeof(T))};
         const u64 size{channel_count * samples_to_decode};
-        const u64 size_bytes{size * sizeof(T)};
-
-        memory.ReadBlockUnsafe(source, tmp_samples.data(), size_bytes);
 
+        Core::Memory::CpuGuestMemory<T, Core::Memory::GuestMemoryFlags::UnsafeRead> samples(
+            memory, source, size);
         if constexpr (std::is_floating_point_v<T>) {
             for (u32 i = 0; i < samples_to_decode; i++) {
-                auto sample{static_cast<s32>(tmp_samples[i * channel_count + req.target_channel] *
+                auto sample{static_cast<s32>(samples[i * channel_count + req.target_channel] *
                                              std::numeric_limits<s16>::max())};
                 out_buffer[i] = static_cast<s16>(std::clamp(sample, min, max));
             }
         } else {
             for (u32 i = 0; i < samples_to_decode; i++) {
-                out_buffer[i] = tmp_samples[i * channel_count + req.target_channel];
+                out_buffer[i] = samples[i * channel_count + req.target_channel];
             }
         }
     } break;
@@ -74,16 +72,17 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         }
 
         const VAddr source{req.buffer + ((req.start_offset + req.offset) * sizeof(T))};
-        memory.ReadBlockUnsafe(source, tmp_samples.data(), samples_to_decode * sizeof(T));
+        Core::Memory::CpuGuestMemory<T, Core::Memory::GuestMemoryFlags::UnsafeRead> samples(
+            memory, source, samples_to_decode);
 
         if constexpr (std::is_floating_point_v<T>) {
             for (u32 i = 0; i < samples_to_decode; i++) {
-                auto sample{static_cast<s32>(tmp_samples[i * channel_count + req.target_channel] *
+                auto sample{static_cast<s32>(samples[i * channel_count + req.target_channel] *
                                              std::numeric_limits<s16>::max())};
                 out_buffer[i] = static_cast<s16>(std::clamp(sample, min, max));
             }
         } else {
-            std::memcpy(out_buffer.data(), tmp_samples.data(), samples_to_decode * sizeof(s16));
+            std::memcpy(out_buffer.data(), samples.data(), samples_to_decode * sizeof(s16));
         }
         break;
     }
@@ -101,7 +100,6 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
  */
 static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
                        const DecodeArg& req) {
-    std::array<u8, TempBufferSize> wavebuffer{};
     constexpr u32 SamplesPerFrame{14};
     constexpr u32 NibblesPerFrame{16};
 
@@ -139,7 +137,8 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
     }
 
     const auto size{std::max((samples_to_process / 8U) * SamplesPerFrame, 8U)};
-    memory.ReadBlockUnsafe(req.buffer + position_in_frame / 2, wavebuffer.data(), size);
+    Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::UnsafeRead> wavebuffer(
+        memory, req.buffer + position_in_frame / 2, size);
 
     auto context{req.adpcm_context};
     auto header{context->header};

src/audio_core/renderer/command/effect/aux_.cpp

@@ -21,23 +21,13 @@ static void ResetAuxBufferDsp(Core::Memory::Memory& memory, const CpuAddr aux_in
     }
 
     AuxInfo::AuxInfoDsp info{};
-    auto info_ptr{&info};
-    bool host_safe{(aux_info & Core::Memory::YUZU_PAGEMASK) <=
-                   (Core::Memory::YUZU_PAGESIZE - sizeof(AuxInfo::AuxInfoDsp))};
+    memory.ReadBlockUnsafe(aux_info, &info, sizeof(AuxInfo::AuxInfoDsp));
 
-    if (host_safe) [[likely]] {
-        info_ptr = memory.GetPointer<AuxInfo::AuxInfoDsp>(aux_info);
-    } else {
-        memory.ReadBlockUnsafe(aux_info, info_ptr, sizeof(AuxInfo::AuxInfoDsp));
-    }
+    info.read_offset = 0;
+    info.write_offset = 0;
+    info.total_sample_count = 0;
 
-    info_ptr->read_offset = 0;
-    info_ptr->write_offset = 0;
-    info_ptr->total_sample_count = 0;
-
-    if (!host_safe) [[unlikely]] {
-        memory.WriteBlockUnsafe(aux_info, info_ptr, sizeof(AuxInfo::AuxInfoDsp));
-    }
+    memory.WriteBlockUnsafe(aux_info, &info, sizeof(AuxInfo::AuxInfoDsp));
 }
 
 /**
@@ -86,17 +76,9 @@ static u32 WriteAuxBufferDsp(Core::Memory::Memory& memory, CpuAddr send_info_,
     }
 
     AuxInfo::AuxInfoDsp send_info{};
-    auto send_ptr = &send_info;
-    bool host_safe = (send_info_ & Core::Memory::YUZU_PAGEMASK) <=
-                     (Core::Memory::YUZU_PAGESIZE - sizeof(AuxInfo::AuxInfoDsp));
+    memory.ReadBlockUnsafe(send_info_, &send_info, sizeof(AuxInfo::AuxInfoDsp));
 
-    if (host_safe) [[likely]] {
-        send_ptr = memory.GetPointer<AuxInfo::AuxInfoDsp>(send_info_);
-    } else {
-        memory.ReadBlockUnsafe(send_info_, send_ptr, sizeof(AuxInfo::AuxInfoDsp));
-    }
-
-    u32 target_write_offset{send_ptr->write_offset + write_offset};
+    u32 target_write_offset{send_info.write_offset + write_offset};
     if (target_write_offset > count_max) {
         return 0;
     }
@@ -105,15 +87,9 @@ static u32 WriteAuxBufferDsp(Core::Memory::Memory& memory, CpuAddr send_info_,
     u32 read_pos{0};
     while (write_count > 0) {
         u32 to_write{std::min(count_max - target_write_offset, write_count)};
-        const auto write_addr = send_buffer + target_write_offset * sizeof(s32);
-        bool write_safe{(write_addr & Core::Memory::YUZU_PAGEMASK) <=
-                        (Core::Memory::YUZU_PAGESIZE - (write_addr + to_write * sizeof(s32)))};
-        if (write_safe) [[likely]] {
-            auto ptr = memory.GetPointer(write_addr);
-            std::memcpy(ptr, &input[read_pos], to_write * sizeof(s32));
-        } else {
-            memory.WriteBlockUnsafe(send_buffer + target_write_offset * sizeof(s32),
-                                    &input[read_pos], to_write * sizeof(s32));
+        if (to_write > 0) {
+            const auto write_addr = send_buffer + target_write_offset * sizeof(s32);
+            memory.WriteBlockUnsafe(write_addr, &input[read_pos], to_write * sizeof(s32));
         }
         target_write_offset = (target_write_offset + to_write) % count_max;
         write_count -= to_write;
@@ -121,13 +97,10 @@ static u32 WriteAuxBufferDsp(Core::Memory::Memory& memory, CpuAddr send_info_,
     }
 
     if (update_count) {
-        send_ptr->write_offset = (send_ptr->write_offset + update_count) % count_max;
-    }
-
-    if (!host_safe) [[unlikely]] {
-        memory.WriteBlockUnsafe(send_info_, send_ptr, sizeof(AuxInfo::AuxInfoDsp));
+        send_info.write_offset = (send_info.write_offset + update_count) % count_max;
     }
 
+    memory.WriteBlockUnsafe(send_info_, &send_info, sizeof(AuxInfo::AuxInfoDsp));
     return write_count_;
 }
 
@@ -174,17 +147,9 @@ static u32 ReadAuxBufferDsp(Core::Memory::Memory& memory, CpuAddr return_info_,
     }
 
     AuxInfo::AuxInfoDsp return_info{};
-    auto return_ptr = &return_info;
-    bool host_safe = (return_info_ & Core::Memory::YUZU_PAGEMASK) <=
-                     (Core::Memory::YUZU_PAGESIZE - sizeof(AuxInfo::AuxInfoDsp));
+    memory.ReadBlockUnsafe(return_info_, &return_info, sizeof(AuxInfo::AuxInfoDsp));
 
-    if (host_safe) [[likely]] {
-        return_ptr = memory.GetPointer<AuxInfo::AuxInfoDsp>(return_info_);
-    } else {
-        memory.ReadBlockUnsafe(return_info_, return_ptr, sizeof(AuxInfo::AuxInfoDsp));
-    }
-
-    u32 target_read_offset{return_ptr->read_offset + read_offset};
+    u32 target_read_offset{return_info.read_offset + read_offset};
     if (target_read_offset > count_max) {
         return 0;
     }
@@ -193,15 +158,9 @@ static u32 ReadAuxBufferDsp(Core::Memory::Memory& memory, CpuAddr return_info_,
     u32 write_pos{0};
     while (read_count > 0) {
         u32 to_read{std::min(count_max - target_read_offset, read_count)};
-        const auto read_addr = return_buffer + target_read_offset * sizeof(s32);
-        bool read_safe{(read_addr & Core::Memory::YUZU_PAGEMASK) <=
-                       (Core::Memory::YUZU_PAGESIZE - (read_addr + to_read * sizeof(s32)))};
-        if (read_safe) [[likely]] {
-            auto ptr = memory.GetPointer(read_addr);
-            std::memcpy(&output[write_pos], ptr, to_read * sizeof(s32));
-        } else {
-            memory.ReadBlockUnsafe(return_buffer + target_read_offset * sizeof(s32),
-                                   &output[write_pos], to_read * sizeof(s32));
+        if (to_read > 0) {
+            const auto read_addr = return_buffer + target_read_offset * sizeof(s32);
+            memory.ReadBlockUnsafe(read_addr, &output[write_pos], to_read * sizeof(s32));
         }
         target_read_offset = (target_read_offset + to_read) % count_max;
         read_count -= to_read;
@@ -209,13 +168,10 @@ static u32 ReadAuxBufferDsp(Core::Memory::Memory& memory, CpuAddr return_info_,
     }
 
     if (update_count) {
-        return_ptr->read_offset = (return_ptr->read_offset + update_count) % count_max;
-    }
-
-    if (!host_safe) [[unlikely]] {
-        memory.WriteBlockUnsafe(return_info_, return_ptr, sizeof(AuxInfo::AuxInfoDsp));
+        return_info.read_offset = (return_info.read_offset + update_count) % count_max;
     }
 
+    memory.WriteBlockUnsafe(return_info_, &return_info, sizeof(AuxInfo::AuxInfoDsp));
     return read_count_;
 }
 

src/common/demangle.cpp

@@ -23,7 +23,7 @@ std::string DemangleSymbol(const std::string& mangled) {
     SCOPE_EXIT({ std::free(demangled); });
 
     if (is_itanium(mangled)) {
-        demangled = llvm::itaniumDemangle(mangled.c_str(), nullptr, nullptr, nullptr);
+        demangled = llvm::itaniumDemangle(mangled.c_str());
     }
 
     if (!demangled) {

src/common/detached_tasks.cpp

@@ -30,8 +30,8 @@ DetachedTasks::~DetachedTasks() {
 void DetachedTasks::AddTask(std::function<void()> task) {
     std::unique_lock lock{instance->mutex};
     ++instance->count;
-    std::thread([task{std::move(task)}]() {
-        task();
+    std::thread([task_{std::move(task)}]() {
+        task_();
         std::unique_lock thread_lock{instance->mutex};
         --instance->count;
         std::notify_all_at_thread_exit(instance->cv, std::move(thread_lock));

src/common/page_table.cpp

@@ -66,6 +66,7 @@ void PageTable::Resize(std::size_t address_space_width_in_bits, std::size_t page
                                              << (address_space_width_in_bits - page_size_in_bits)};
     pointers.resize(num_page_table_entries);
     backing_addr.resize(num_page_table_entries);
+    blocks.resize(num_page_table_entries);
     current_address_space_width_in_bits = address_space_width_in_bits;
     page_size = 1ULL << page_size_in_bits;
 }

src/common/page_table.h

@@ -122,6 +122,7 @@ struct PageTable {
      * corresponding attribute element is of type `Memory`.
      */
     VirtualBuffer<PageInfo> pointers;
+    VirtualBuffer<u64> blocks;
 
     VirtualBuffer<u64> backing_addr;
 

src/common/scratch_buffer.h

@@ -40,8 +40,21 @@ public:
     ~ScratchBuffer() = default;
     ScratchBuffer(const ScratchBuffer&) = delete;
     ScratchBuffer& operator=(const ScratchBuffer&) = delete;
-    ScratchBuffer(ScratchBuffer&&) = default;
-    ScratchBuffer& operator=(ScratchBuffer&&) = default;
+
+    ScratchBuffer(ScratchBuffer&& other) noexcept {
+        swap(other);
+        other.last_requested_size = 0;
+        other.buffer_capacity = 0;
+        other.buffer.reset();
+    }
+
+    ScratchBuffer& operator=(ScratchBuffer&& other) noexcept {
+        swap(other);
+        other.last_requested_size = 0;
+        other.buffer_capacity = 0;
+        other.buffer.reset();
+        return *this;
+    }
 
     /// This will only grow the buffer's capacity if size is greater than the current capacity.
     /// The previously held data will remain intact.

src/common/settings.cpp

@@ -26,9 +26,10 @@ std::string GetTimeZoneString() {
 
     std::string location_name;
     if (time_zone_index == 0) { // Auto
-#if __cpp_lib_chrono >= 201907L
-        const struct std::chrono::tzdb& time_zone_data = std::chrono::get_tzdb();
+#if __cpp_lib_chrono >= 201907L && !defined(MINGW)
+        // Disabled for MinGW -- tzdb always returns Etc/UTC
         try {
+            const struct std::chrono::tzdb& time_zone_data = std::chrono::get_tzdb();
             const std::chrono::time_zone* current_zone = time_zone_data.current_zone();
             std::string_view current_zone_name = current_zone->name();
             location_name = current_zone_name;

src/common/socket_types.h

@@ -3,17 +3,22 @@
 
 #pragma once
 
+#include <optional>
+#include <string>
+
 #include "common/common_types.h"
 
 namespace Network {
 
 /// Address families
 enum class Domain : u8 {
-    INET, ///< Address family for IPv4
+    Unspecified, ///< Represents 0, used in getaddrinfo hints
+    INET,        ///< Address family for IPv4
 };
 
 /// Socket types
 enum class Type {
+    Unspecified, ///< Represents 0, used in getaddrinfo hints
     STREAM,
     DGRAM,
     RAW,
@@ -22,6 +27,7 @@ enum class Type {
 
 /// Protocol values for sockets
 enum class Protocol : u8 {
+    Unspecified, ///< Represents 0, usable in various places
     ICMP,
     TCP,
     UDP,
@@ -48,4 +54,13 @@ constexpr u32 FLAG_MSG_PEEK = 0x2;
 constexpr u32 FLAG_MSG_DONTWAIT = 0x80;
 constexpr u32 FLAG_O_NONBLOCK = 0x800;
 
+/// Cross-platform addrinfo structure
+struct AddrInfo {
+    Domain family;
+    Type socket_type;
+    Protocol protocol;
+    SockAddrIn addr;
+    std::optional<std::string> canon_name;
+};
+
 } // namespace Network

src/common/time_zone.cpp

@@ -4,13 +4,13 @@
 #include <chrono>
 #include <exception>
 #include <iomanip>
+#include <map>
 #include <sstream>
 #include <stdexcept>
 #include <fmt/chrono.h>
 #include <fmt/core.h>
 
 #include "common/logging/log.h"
-#include "common/settings.h"
 #include "common/time_zone.h"
 
 namespace Common::TimeZone {
@@ -33,32 +33,29 @@ std::string GetDefaultTimeZone() {
     return "GMT";
 }
 
-static std::string GetOsTimeZoneOffset() {
-    const std::time_t t{std::time(nullptr)};
-    const std::tm tm{*std::localtime(&t)};
-
-    return fmt::format("{:%z}", tm);
-}
-
-static int ConvertOsTimeZoneOffsetToInt(const std::string& timezone) {
-    try {
-        return std::stoi(timezone);
-    } catch (const std::invalid_argument&) {
-        LOG_CRITICAL(Common, "invalid_argument with {}!", timezone);
-        return 0;
-    } catch (const std::out_of_range&) {
-        LOG_CRITICAL(Common, "out_of_range with {}!", timezone);
-        return 0;
-    }
+// Results are not comparable to seconds since Epoch
+static std::time_t TmSpecToSeconds(const struct std::tm& spec) {
+    const int year = spec.tm_year - 1; // Years up to now
+    const int leap_years = year / 4 - year / 100;
+    std::time_t cumulative = spec.tm_year;
+    cumulative = cumulative * 365 + leap_years + spec.tm_yday; // Years to days
+    cumulative = cumulative * 24 + spec.tm_hour;               // Days to hours
+    cumulative = cumulative * 60 + spec.tm_min;                // Hours to minutes
+    cumulative = cumulative * 60 + spec.tm_sec;                // Minutes to seconds
+    return cumulative;
 }
 
 std::chrono::seconds GetCurrentOffsetSeconds() {
-    const int offset{ConvertOsTimeZoneOffsetToInt(GetOsTimeZoneOffset())};
+    const std::time_t t{std::time(nullptr)};
+    const std::tm local{*std::localtime(&t)};
+    const std::tm gmt{*std::gmtime(&t)};
 
-    int seconds{(offset / 100) * 60 * 60}; // Convert hour component to seconds
-    seconds += (offset % 100) * 60;        // Convert minute component to seconds
+    // gmt_seconds is a different offset than time(nullptr)
+    const auto gmt_seconds = TmSpecToSeconds(gmt);
+    const auto local_seconds = TmSpecToSeconds(local);
+    const auto seconds_offset = local_seconds - gmt_seconds;
 
-    return std::chrono::seconds{seconds};
+    return std::chrono::seconds{seconds_offset};
 }
 
 // Key is [Hours * 100 + Minutes], multiplied by 100 if DST
@@ -71,11 +68,6 @@ const static std::map<s64, const char*> off_timezones = {
 };
 
 std::string FindSystemTimeZone() {
-#if defined(MINGW)
-    // MinGW has broken strftime -- https://sourceforge.net/p/mingw-w64/bugs/793/
-    // e.g. fmt::format("{:%z}") -- returns "Eastern Daylight Time" when it should be "-0400"
-    return timezones[0];
-#else
     const s64 seconds = static_cast<s64>(GetCurrentOffsetSeconds().count());
 
     const s64 minutes = seconds / 60;
@@ -97,7 +89,6 @@ std::string FindSystemTimeZone() {
         }
     }
     return fmt::format("Etc/GMT{:s}{:d}", hours > 0 ? "-" : "+", std::abs(hours));
-#endif
 }
 
 } // namespace Common::TimeZone

src/core/CMakeLists.txt

@@ -285,6 +285,7 @@ add_library(core STATIC
     hle/kernel/kernel.cpp
     hle/kernel/kernel.h
     hle/kernel/memory_types.h
+    hle/kernel/message_buffer.h
     hle/kernel/physical_core.cpp
     hle/kernel/physical_core.h
     hle/kernel/physical_memory.h
@@ -722,6 +723,7 @@ add_library(core STATIC
     hle/service/spl/spl_types.h
     hle/service/ssl/ssl.cpp
     hle/service/ssl/ssl.h
+    hle/service/ssl/ssl_backend.h
     hle/service/time/clock_types.h
     hle/service/time/ephemeral_network_system_clock_context_writer.h
     hle/service/time/ephemeral_network_system_clock_core.h
@@ -863,6 +865,23 @@ if (ARCHITECTURE_x86_64 OR ARCHITECTURE_arm64)
     target_link_libraries(core PRIVATE dynarmic::dynarmic)
 endif()
 
+if(ENABLE_OPENSSL)
+    target_sources(core PRIVATE
+        hle/service/ssl/ssl_backend_openssl.cpp)
+    target_link_libraries(core PRIVATE OpenSSL::SSL)
+elseif (APPLE)
+    target_sources(core PRIVATE
+        hle/service/ssl/ssl_backend_securetransport.cpp)
+    target_link_libraries(core PRIVATE "-framework Security")
+elseif (WIN32)
+    target_sources(core PRIVATE
+        hle/service/ssl/ssl_backend_schannel.cpp)
+    target_link_libraries(core PRIVATE crypt32 secur32)
+else()
+    target_sources(core PRIVATE
+        hle/service/ssl/ssl_backend_none.cpp)
+endif()
+
 if (YUZU_USE_PRECOMPILED_HEADERS)
     target_precompile_headers(core PRIVATE precompiled_headers.h)
 endif()

src/core/arm/arm_interface.cpp

@@ -185,7 +185,7 @@ void ARM_Interface::Run() {
         // Notify the debugger and go to sleep if a breakpoint was hit,
         // or if the thread is unable to continue for any reason.
         if (True(hr & HaltReason::InstructionBreakpoint) || True(hr & HaltReason::PrefetchAbort)) {
-            if (!True(hr & HaltReason::InstructionBreakpoint)) {
+            if (!True(hr & HaltReason::PrefetchAbort)) {
                 RewindBreakpointInstruction();
             }
             if (system.DebuggerEnabled()) {

src/core/arm/dynarmic/arm_dynarmic_32.cpp

@@ -346,11 +346,11 @@ void ARM_Dynarmic_32::RewindBreakpointInstruction() {
 }
 
 ARM_Dynarmic_32::ARM_Dynarmic_32(System& system_, bool uses_wall_clock_,
-                                 ExclusiveMonitor& exclusive_monitor_, std::size_t core_index_)
+                                 DynarmicExclusiveMonitor& exclusive_monitor_,
+                                 std::size_t core_index_)
     : ARM_Interface{system_, uses_wall_clock_}, cb(std::make_unique<DynarmicCallbacks32>(*this)),
       cp15(std::make_shared<DynarmicCP15>(*this)), core_index{core_index_},
-      exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor_)},
-      null_jit{MakeJit(nullptr)}, jit{null_jit.get()} {}
+      exclusive_monitor{exclusive_monitor_}, null_jit{MakeJit(nullptr)}, jit{null_jit.get()} {}
 
 ARM_Dynarmic_32::~ARM_Dynarmic_32() = default;
 

src/core/arm/dynarmic/arm_dynarmic_32.h

@@ -12,7 +12,7 @@
 #include "common/common_types.h"
 #include "common/hash.h"
 #include "core/arm/arm_interface.h"
-#include "core/arm/exclusive_monitor.h"
+#include "core/arm/dynarmic/dynarmic_exclusive_monitor.h"
 
 namespace Core::Memory {
 class Memory;
@@ -28,8 +28,8 @@ class System;
 
 class ARM_Dynarmic_32 final : public ARM_Interface {
 public:
-    ARM_Dynarmic_32(System& system_, bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
-                    std::size_t core_index_);
+    ARM_Dynarmic_32(System& system_, bool uses_wall_clock_,
+                    DynarmicExclusiveMonitor& exclusive_monitor_, std::size_t core_index_);
     ~ARM_Dynarmic_32() override;
 
     void SetPC(u64 pc) override;

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -405,11 +405,11 @@ void ARM_Dynarmic_64::RewindBreakpointInstruction() {
 }
 
 ARM_Dynarmic_64::ARM_Dynarmic_64(System& system_, bool uses_wall_clock_,
-                                 ExclusiveMonitor& exclusive_monitor_, std::size_t core_index_)
+                                 DynarmicExclusiveMonitor& exclusive_monitor_,
+                                 std::size_t core_index_)
     : ARM_Interface{system_, uses_wall_clock_},
       cb(std::make_unique<DynarmicCallbacks64>(*this)), core_index{core_index_},
-      exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor_)},
-      null_jit{MakeJit(nullptr, 48)}, jit{null_jit.get()} {}
+      exclusive_monitor{exclusive_monitor_}, null_jit{MakeJit(nullptr, 48)}, jit{null_jit.get()} {}
 
 ARM_Dynarmic_64::~ARM_Dynarmic_64() = default;
 

src/core/arm/dynarmic/arm_dynarmic_64.h

@@ -11,7 +11,7 @@
 #include "common/common_types.h"
 #include "common/hash.h"
 #include "core/arm/arm_interface.h"
-#include "core/arm/exclusive_monitor.h"
+#include "core/arm/dynarmic/dynarmic_exclusive_monitor.h"
 
 namespace Core::Memory {
 class Memory;
@@ -25,8 +25,8 @@ class System;
 
 class ARM_Dynarmic_64 final : public ARM_Interface {
 public:
-    ARM_Dynarmic_64(System& system_, bool uses_wall_clock_, ExclusiveMonitor& exclusive_monitor_,
-                    std::size_t core_index_);
+    ARM_Dynarmic_64(System& system_, bool uses_wall_clock_,
+                    DynarmicExclusiveMonitor& exclusive_monitor_, std::size_t core_index_);
     ~ARM_Dynarmic_64() override;
 
     void SetPC(u64 pc) override;

src/core/arm/dynarmic/dynarmic_exclusive_monitor.h

@@ -6,8 +6,6 @@
 #include <dynarmic/interface/exclusive_monitor.h>
 
 #include "common/common_types.h"
-#include "core/arm/dynarmic/arm_dynarmic_32.h"
-#include "core/arm/dynarmic/arm_dynarmic_64.h"
 #include "core/arm/exclusive_monitor.h"
 
 namespace Core::Memory {
@@ -16,6 +14,9 @@ class Memory;
 
 namespace Core {
 
+class ARM_Dynarmic_32;
+class ARM_Dynarmic_64;
+
 class DynarmicExclusiveMonitor final : public ExclusiveMonitor {
 public:
     explicit DynarmicExclusiveMonitor(Memory::Memory& memory_, std::size_t core_count_);

src/core/core.cpp

@@ -880,6 +880,14 @@ const FileSys::ContentProvider& System::GetContentProvider() const {
     return *impl->content_provider;
 }
 
+FileSys::ContentProviderUnion& System::GetContentProviderUnion() {
+    return *impl->content_provider;
+}
+
+const FileSys::ContentProviderUnion& System::GetContentProviderUnion() const {
+    return *impl->content_provider;
+}
+
 Service::FileSystem::FileSystemController& System::GetFileSystemController() {
     return impl->fs_controller;
 }

src/core/core.h

@@ -381,6 +381,9 @@ public:
     [[nodiscard]] FileSys::ContentProvider& GetContentProvider();
     [[nodiscard]] const FileSys::ContentProvider& GetContentProvider() const;
 
+    [[nodiscard]] FileSys::ContentProviderUnion& GetContentProviderUnion();
+    [[nodiscard]] const FileSys::ContentProviderUnion& GetContentProviderUnion() const;
+
     [[nodiscard]] Service::FileSystem::FileSystemController& GetFileSystemController();
     [[nodiscard]] const Service::FileSystem::FileSystemController& GetFileSystemController() const;
 

src/core/core_timing.cpp

@@ -70,7 +70,7 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
         -> std::optional<std::chrono::nanoseconds> { return std::nullopt; };
     ev_lost = CreateEvent("_lost_event", empty_timed_callback);
     if (is_multicore) {
-        timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this));
+        timer_thread = std::make_unique<std::jthread>(ThreadEntry, std::ref(*this));
     }
 }
 
@@ -255,7 +255,6 @@ void CoreTiming::ThreadLoop() {
 #ifdef _WIN32
                     while (!paused && !event.IsSet() && wait_time > 0) {
                         wait_time = *next_time - GetGlobalTimeNs().count();
-
                         if (wait_time >= timer_resolution_ns) {
                             Common::Windows::SleepForOneTick();
                         } else {

src/core/core_timing.h

@@ -163,7 +163,7 @@ private:
     Common::Event pause_event{};
     std::mutex basic_lock;
     std::mutex advance_lock;
-    std::unique_ptr<std::thread> timer_thread;
+    std::unique_ptr<std::jthread> timer_thread;
     std::atomic<bool> paused{};
     std::atomic<bool> paused_set{};
     std::atomic<bool> wait_set{};

src/core/debugger/gdbstub.cpp

@@ -261,10 +261,8 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
         const size_t addr{static_cast<size_t>(strtoll(command.data(), nullptr, 16))};
         const size_t size{static_cast<size_t>(strtoll(command.data() + sep, nullptr, 16))};
 
-        if (system.ApplicationMemory().IsValidVirtualAddressRange(addr, size)) {
-            std::vector<u8> mem(size);
-            system.ApplicationMemory().ReadBlock(addr, mem.data(), size);
-
+        std::vector<u8> mem(size);
+        if (system.ApplicationMemory().ReadBlock(addr, mem.data(), size)) {
             SendReply(Common::HexToString(mem));
         } else {
             SendReply(GDB_STUB_REPLY_ERR);
@@ -281,8 +279,7 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction
         const auto mem_substr{std::string_view(command).substr(mem_sep)};
         const auto mem{Common::HexStringToVector(mem_substr, false)};
 
-        if (system.ApplicationMemory().IsValidVirtualAddressRange(addr, size)) {
-            system.ApplicationMemory().WriteBlock(addr, mem.data(), size);
+        if (system.ApplicationMemory().WriteBlock(addr, mem.data(), size)) {
             system.InvalidateCpuInstructionCacheRange(addr, size);
             SendReply(GDB_STUB_REPLY_OK);
         } else {
@@ -556,7 +553,7 @@ void GDBStub::HandleQuery(std::string_view command) {
         } else {
             SendReply(fmt::format(
                 "TextSeg={:x}",
-                GetInteger(system.ApplicationProcess()->PageTable().GetCodeRegionStart())));
+                GetInteger(system.ApplicationProcess()->GetPageTable().GetCodeRegionStart())));
         }
     } else if (command.starts_with("Xfer:libraries:read::")) {
         Loader::AppLoader::Modules modules;
@@ -731,7 +728,7 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
     std::string reply;
 
     auto* process = system.ApplicationProcess();
-    auto& page_table = process->PageTable();
+    auto& page_table = process->GetPageTable();
 
     const char* commands = "Commands:\n"
                            "  get fastmem\n"

src/core/file_sys/content_archive.cpp

@@ -57,11 +57,34 @@ struct NCASectionHeaderBlock {
 };
 static_assert(sizeof(NCASectionHeaderBlock) == 0x8, "NCASectionHeaderBlock has incorrect size.");
 
+struct NCABucketInfo {
+    u64 table_offset;
+    u64 table_size;
+    std::array<u8, 0x10> table_header;
+};
+static_assert(sizeof(NCABucketInfo) == 0x20, "NCABucketInfo has incorrect size.");
+
+struct NCASparseInfo {
+    NCABucketInfo bucket;
+    u64 physical_offset;
+    u16 generation;
+    INSERT_PADDING_BYTES_NOINIT(0x6);
+};
+static_assert(sizeof(NCASparseInfo) == 0x30, "NCASparseInfo has incorrect size.");
+
+struct NCACompressionInfo {
+    NCABucketInfo bucket;
+    INSERT_PADDING_BYTES_NOINIT(0x8);
+};
+static_assert(sizeof(NCACompressionInfo) == 0x28, "NCACompressionInfo has incorrect size.");
+
 struct NCASectionRaw {
     NCASectionHeaderBlock header;
     std::array<u8, 0x138> block_data;
     std::array<u8, 0x8> section_ctr;
-    INSERT_PADDING_BYTES_NOINIT(0xB8);
+    NCASparseInfo sparse_info;
+    NCACompressionInfo compression_info;
+    INSERT_PADDING_BYTES_NOINIT(0x60);
 };
 static_assert(sizeof(NCASectionRaw) == 0x200, "NCASectionRaw has incorrect size.");
 
@@ -225,6 +248,20 @@ bool NCA::ReadSections(const std::vector<NCASectionHeader>& sections, u64 bktr_b
     for (std::size_t i = 0; i < sections.size(); ++i) {
         const auto& section = sections[i];
 
+        if (section.raw.sparse_info.bucket.table_offset != 0 &&
+            section.raw.sparse_info.bucket.table_size != 0) {
+            LOG_ERROR(Loader, "Sparse NCAs are not supported.");
+            status = Loader::ResultStatus::ErrorSparseNCA;
+            return false;
+        }
+
+        if (section.raw.compression_info.bucket.table_offset != 0 &&
+            section.raw.compression_info.bucket.table_size != 0) {
+            LOG_ERROR(Loader, "Compressed NCAs are not supported.");
+            status = Loader::ResultStatus::ErrorCompressedNCA;
+            return false;
+        }
+
         if (section.raw.header.filesystem_type == NCASectionFilesystemType::ROMFS) {
             if (!ReadRomFSSection(section, header.section_tables[i], bktr_base_ivfc_offset)) {
                 return false;

src/core/hle/kernel/k_code_memory.cpp

@@ -25,7 +25,7 @@ Result KCodeMemory::Initialize(Core::DeviceMemory& device_memory, KProcessAddres
     m_owner = GetCurrentProcessPointer(m_kernel);
 
     // Get the owner page table.
-    auto& page_table = m_owner->PageTable();
+    auto& page_table = m_owner->GetPageTable();
 
     // Construct the page group.
     m_page_group.emplace(m_kernel, page_table.GetBlockInfoManager());
@@ -53,7 +53,7 @@ void KCodeMemory::Finalize() {
     // Unlock.
     if (!m_is_mapped && !m_is_owner_mapped) {
         const size_t size = m_page_group->GetNumPages() * PageSize;
-        m_owner->PageTable().UnlockForCodeMemory(m_address, size, *m_page_group);
+        m_owner->GetPageTable().UnlockForCodeMemory(m_address, size, *m_page_group);
     }
 
     // Close the page group.
@@ -75,7 +75,7 @@ Result KCodeMemory::Map(KProcessAddress address, size_t size) {
     R_UNLESS(!m_is_mapped, ResultInvalidState);
 
     // Map the memory.
-    R_TRY(GetCurrentProcess(m_kernel).PageTable().MapPageGroup(
+    R_TRY(GetCurrentProcess(m_kernel).GetPageTable().MapPageGroup(
         address, *m_page_group, KMemoryState::CodeOut, KMemoryPermission::UserReadWrite));
 
     // Mark ourselves as mapped.
@@ -92,8 +92,8 @@ Result KCodeMemory::Unmap(KProcessAddress address, size_t size) {
     KScopedLightLock lk(m_lock);
 
     // Unmap the memory.
-    R_TRY(GetCurrentProcess(m_kernel).PageTable().UnmapPageGroup(address, *m_page_group,
-                                                                 KMemoryState::CodeOut));
+    R_TRY(GetCurrentProcess(m_kernel).GetPageTable().UnmapPageGroup(address, *m_page_group,
+                                                                    KMemoryState::CodeOut));
 
     // Mark ourselves as unmapped.
     m_is_mapped = false;
@@ -126,8 +126,8 @@ Result KCodeMemory::MapToOwner(KProcessAddress address, size_t size, Svc::Memory
     }
 
     // Map the memory.
-    R_TRY(m_owner->PageTable().MapPageGroup(address, *m_page_group, KMemoryState::GeneratedCode,
-                                            k_perm));
+    R_TRY(m_owner->GetPageTable().MapPageGroup(address, *m_page_group, KMemoryState::GeneratedCode,
+                                               k_perm));
 
     // Mark ourselves as mapped.
     m_is_owner_mapped = true;
@@ -143,7 +143,8 @@ Result KCodeMemory::UnmapFromOwner(KProcessAddress address, size_t size) {
     KScopedLightLock lk(m_lock);
 
     // Unmap the memory.
-    R_TRY(m_owner->PageTable().UnmapPageGroup(address, *m_page_group, KMemoryState::GeneratedCode));
+    R_TRY(m_owner->GetPageTable().UnmapPageGroup(address, *m_page_group,
+                                                 KMemoryState::GeneratedCode));
 
     // Mark ourselves as unmapped.
     m_is_owner_mapped = false;

src/core/hle/kernel/k_page_table.h

@@ -388,39 +388,6 @@ public:
     constexpr size_t GetHeapSize() const {
         return m_current_heap_end - m_heap_region_start;
     }
-    constexpr bool IsInsideAddressSpace(KProcessAddress address, size_t size) const {
-        return m_address_space_start <= address && address + size - 1 <= m_address_space_end - 1;
-    }
-    constexpr bool IsOutsideAliasRegion(KProcessAddress address, size_t size) const {
-        return m_alias_region_start > address || address + size - 1 > m_alias_region_end - 1;
-    }
-    constexpr bool IsOutsideStackRegion(KProcessAddress address, size_t size) const {
-        return m_stack_region_start > address || address + size - 1 > m_stack_region_end - 1;
-    }
-    constexpr bool IsInvalidRegion(KProcessAddress address, size_t size) const {
-        return address + size - 1 > GetAliasCodeRegionStart() + GetAliasCodeRegionSize() - 1;
-    }
-    constexpr bool IsInsideHeapRegion(KProcessAddress address, size_t size) const {
-        return address + size > m_heap_region_start && m_heap_region_end > address;
-    }
-    constexpr bool IsInsideAliasRegion(KProcessAddress address, size_t size) const {
-        return address + size > m_alias_region_start && m_alias_region_end > address;
-    }
-    constexpr bool IsOutsideASLRRegion(KProcessAddress address, size_t size) const {
-        if (IsInvalidRegion(address, size)) {
-            return true;
-        }
-        if (IsInsideHeapRegion(address, size)) {
-            return true;
-        }
-        if (IsInsideAliasRegion(address, size)) {
-            return true;
-        }
-        return {};
-    }
-    constexpr bool IsInsideASLRRegion(KProcessAddress address, size_t size) const {
-        return !IsOutsideASLRRegion(address, size);
-    }
     constexpr size_t GetNumGuardPages() const {
         return IsKernel() ? 1 : 4;
     }
@@ -436,6 +403,14 @@ public:
         return m_address_space_start <= addr && addr < addr + size &&
                addr + size - 1 <= m_address_space_end - 1;
     }
+    constexpr bool IsInAliasRegion(KProcessAddress addr, size_t size) const {
+        return this->Contains(addr, size) && m_alias_region_start <= addr &&
+               addr + size - 1 <= m_alias_region_end - 1;
+    }
+    constexpr bool IsInHeapRegion(KProcessAddress addr, size_t size) const {
+        return this->Contains(addr, size) && m_heap_region_start <= addr &&
+               addr + size - 1 <= m_heap_region_end - 1;
+    }
 
 public:
     static KVirtualAddress GetLinearMappedVirtualAddress(const KMemoryLayout& layout,

src/core/hle/kernel/k_process.cpp

@@ -38,7 +38,7 @@ namespace {
  */
 void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority,
                      KProcessAddress stack_top) {
-    const KProcessAddress entry_point = owner_process.PageTable().GetCodeRegionStart();
+    const KProcessAddress entry_point = owner_process.GetPageTable().GetCodeRegionStart();
     ASSERT(owner_process.GetResourceLimit()->Reserve(LimitableResource::ThreadCountMax, 1));
 
     KThread* thread = KThread::Create(system.Kernel());

src/core/hle/kernel/k_process.h

@@ -109,16 +109,6 @@ public:
     static Result Initialize(KProcess* process, Core::System& system, std::string process_name,
                              ProcessType type, KResourceLimit* res_limit);
 
-    /// Gets a reference to the process' page table.
-    KPageTable& PageTable() {
-        return m_page_table;
-    }
-
-    /// Gets const a reference to the process' page table.
-    const KPageTable& PageTable() const {
-        return m_page_table;
-    }
-
     /// Gets a reference to the process' page table.
     KPageTable& GetPageTable() {
         return m_page_table;

src/core/hle/kernel/k_server_session.cpp

@@ -20,12 +20,132 @@
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/message_buffer.h"
 #include "core/hle/service/hle_ipc.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/memory.h"
 
 namespace Kernel {
 
+namespace {
+
+template <bool MoveHandleAllowed>
+Result ProcessMessageSpecialData(KProcess& dst_process, KProcess& src_process, KThread& src_thread,
+                                 MessageBuffer& dst_msg, const MessageBuffer& src_msg,
+                                 MessageBuffer::SpecialHeader& src_special_header) {
+    // Copy the special header to the destination.
+    s32 offset = dst_msg.Set(src_special_header);
+
+    // Copy the process ID.
+    if (src_special_header.GetHasProcessId()) {
+        offset = dst_msg.SetProcessId(offset, src_process.GetProcessId());
+    }
+
+    // Prepare to process handles.
+    auto& dst_handle_table = dst_process.GetHandleTable();
+    auto& src_handle_table = src_process.GetHandleTable();
+    Result result = ResultSuccess;
+
+    // Process copy handles.
+    for (auto i = 0; i < src_special_header.GetCopyHandleCount(); ++i) {
+        // Get the handles.
+        const Handle src_handle = src_msg.GetHandle(offset);
+        Handle dst_handle = Svc::InvalidHandle;
+
+        // If we're in a success state, try to move the handle to the new table.
+        if (R_SUCCEEDED(result) && src_handle != Svc::InvalidHandle) {
+            KScopedAutoObject obj =
+                src_handle_table.GetObjectForIpc(src_handle, std::addressof(src_thread));
+            if (obj.IsNotNull()) {
+                Result add_result =
+                    dst_handle_table.Add(std::addressof(dst_handle), obj.GetPointerUnsafe());
+                if (R_FAILED(add_result)) {
+                    result = add_result;
+                    dst_handle = Svc::InvalidHandle;
+                }
+            } else {
+                result = ResultInvalidHandle;
+            }
+        }
+
+        // Set the handle.
+        offset = dst_msg.SetHandle(offset, dst_handle);
+    }
+
+    // Process move handles.
+    if constexpr (MoveHandleAllowed) {
+        for (auto i = 0; i < src_special_header.GetMoveHandleCount(); ++i) {
+            // Get the handles.
+            const Handle src_handle = src_msg.GetHandle(offset);
+            Handle dst_handle = Svc::InvalidHandle;
+
+            // Whether or not we've succeeded, we need to remove the handles from the source table.
+            if (src_handle != Svc::InvalidHandle) {
+                if (R_SUCCEEDED(result)) {
+                    KScopedAutoObject obj =
+                        src_handle_table.GetObjectForIpcWithoutPseudoHandle(src_handle);
+                    if (obj.IsNotNull()) {
+                        Result add_result = dst_handle_table.Add(std::addressof(dst_handle),
+                                                                 obj.GetPointerUnsafe());
+
+                        src_handle_table.Remove(src_handle);
+
+                        if (R_FAILED(add_result)) {
+                            result = add_result;
+                            dst_handle = Svc::InvalidHandle;
+                        }
+                    } else {
+                        result = ResultInvalidHandle;
+                    }
+                } else {
+                    src_handle_table.Remove(src_handle);
+                }
+            }
+
+            // Set the handle.
+            offset = dst_msg.SetHandle(offset, dst_handle);
+        }
+    }
+
+    R_RETURN(result);
+}
+
+void CleanupSpecialData(KProcess& dst_process, u32* dst_msg_ptr, size_t dst_buffer_size) {
+    // Parse the message.
+    const MessageBuffer dst_msg(dst_msg_ptr, dst_buffer_size);
+    const MessageBuffer::MessageHeader dst_header(dst_msg);
+    const MessageBuffer::SpecialHeader dst_special_header(dst_msg, dst_header);
+
+    // Check that the size is big enough.
+    if (MessageBuffer::GetMessageBufferSize(dst_header, dst_special_header) > dst_buffer_size) {
+        return;
+    }
+
+    // Set the special header.
+    int offset = dst_msg.Set(dst_special_header);
+
+    // Clear the process id, if needed.
+    if (dst_special_header.GetHasProcessId()) {
+        offset = dst_msg.SetProcessId(offset, 0);
+    }
+
+    // Clear handles, as relevant.
+    auto& dst_handle_table = dst_process.GetHandleTable();
+    for (auto i = 0;
+         i < (dst_special_header.GetCopyHandleCount() + dst_special_header.GetMoveHandleCount());
+         ++i) {
+        const Handle handle = dst_msg.GetHandle(offset);
+
+        if (handle != Svc::InvalidHandle) {
+            dst_handle_table.Remove(handle);
+        }
+
+        offset = dst_msg.SetHandle(offset, Svc::InvalidHandle);
+    }
+}
+
+} // namespace
+
 using ThreadQueueImplForKServerSessionRequest = KThreadQueue;
 
 KServerSession::KServerSession(KernelCore& kernel)
@@ -223,12 +343,27 @@ Result KServerSession::SendReply(bool is_hle) {
             // the reply has already been written in this case.
         } else {
             Core::Memory::Memory& memory{client_thread->GetOwnerProcess()->GetMemory()};
-            KThread* server_thread{GetCurrentThreadPointer(m_kernel)};
+            KThread* server_thread = GetCurrentThreadPointer(m_kernel);
+            KProcess& src_process = *client_thread->GetOwnerProcess();
+            KProcess& dst_process = *server_thread->GetOwnerProcess();
             UNIMPLEMENTED_IF(server_thread->GetOwnerProcess() != client_thread->GetOwnerProcess());
 
-            auto* src_msg_buffer = memory.GetPointer(server_thread->GetTlsAddress());
-            auto* dst_msg_buffer = memory.GetPointer(client_message);
+            auto* src_msg_buffer = memory.GetPointer<u32>(server_thread->GetTlsAddress());
+            auto* dst_msg_buffer = memory.GetPointer<u32>(client_message);
             std::memcpy(dst_msg_buffer, src_msg_buffer, client_buffer_size);
+
+            // Translate special header ad-hoc.
+            MessageBuffer src_msg(src_msg_buffer, client_buffer_size);
+            MessageBuffer::MessageHeader src_header(src_msg);
+            MessageBuffer::SpecialHeader src_special_header(src_msg, src_header);
+            if (src_header.GetHasSpecialHeader()) {
+                MessageBuffer dst_msg(dst_msg_buffer, client_buffer_size);
+                result = ProcessMessageSpecialData<true>(dst_process, src_process, *server_thread,
+                                                         dst_msg, src_msg, src_special_header);
+                if (R_FAILED(result)) {
+                    CleanupSpecialData(dst_process, dst_msg_buffer, client_buffer_size);
+                }
+            }
         }
     } else {
         result = ResultSessionClosed;
@@ -330,12 +465,28 @@ Result KServerSession::ReceiveRequest(std::shared_ptr<Service::HLERequestContext
             ->PopulateFromIncomingCommandBuffer(client_thread->GetOwnerProcess()->GetHandleTable(),
                                                 cmd_buf);
     } else {
-        KThread* server_thread{GetCurrentThreadPointer(m_kernel)};
-        UNIMPLEMENTED_IF(server_thread->GetOwnerProcess() != client_thread->GetOwnerProcess());
+        KThread* server_thread = GetCurrentThreadPointer(m_kernel);
+        KProcess& src_process = *client_thread->GetOwnerProcess();
+        KProcess& dst_process = *server_thread->GetOwnerProcess();
+        UNIMPLEMENTED_IF(client_thread->GetOwnerProcess() != server_thread->GetOwnerProcess());
 
-        auto* src_msg_buffer = memory.GetPointer(client_message);
-        auto* dst_msg_buffer = memory.GetPointer(server_thread->GetTlsAddress());
+        auto* src_msg_buffer = memory.GetPointer<u32>(client_message);
+        auto* dst_msg_buffer = memory.GetPointer<u32>(server_thread->GetTlsAddress());
         std::memcpy(dst_msg_buffer, src_msg_buffer, client_buffer_size);
+
+        // Translate special header ad-hoc.
+        // TODO: fix this mess
+        MessageBuffer src_msg(src_msg_buffer, client_buffer_size);
+        MessageBuffer::MessageHeader src_header(src_msg);
+        MessageBuffer::SpecialHeader src_special_header(src_msg, src_header);
+        if (src_header.GetHasSpecialHeader()) {
+            MessageBuffer dst_msg(dst_msg_buffer, client_buffer_size);
+            Result res = ProcessMessageSpecialData<false>(dst_process, src_process, *client_thread,
+                                                          dst_msg, src_msg, src_special_header);
+            if (R_FAILED(res)) {
+                CleanupSpecialData(dst_process, dst_msg_buffer, client_buffer_size);
+            }
+        }
     }
 
     // We succeeded.

src/core/hle/kernel/k_shared_memory.cpp

@@ -90,8 +90,8 @@ Result KSharedMemory::Map(KProcess& target_process, KProcessAddress address, std
         R_UNLESS(map_perm == test_perm, ResultInvalidNewMemoryPermission);
     }
 
-    R_RETURN(target_process.PageTable().MapPageGroup(address, *m_page_group, KMemoryState::Shared,
-                                                     ConvertToKMemoryPermission(map_perm)));
+    R_RETURN(target_process.GetPageTable().MapPageGroup(
+        address, *m_page_group, KMemoryState::Shared, ConvertToKMemoryPermission(map_perm)));
 }
 
 Result KSharedMemory::Unmap(KProcess& target_process, KProcessAddress address,
@@ -100,7 +100,7 @@ Result KSharedMemory::Unmap(KProcess& target_process, KProcessAddress address,
     R_UNLESS(m_size == unmap_size, ResultInvalidSize);
 
     R_RETURN(
-        target_process.PageTable().UnmapPageGroup(address, *m_page_group, KMemoryState::Shared));
+        target_process.GetPageTable().UnmapPageGroup(address, *m_page_group, KMemoryState::Shared));
 }
 
 } // namespace Kernel

src/core/hle/kernel/k_thread.cpp

@@ -302,12 +302,12 @@ Result KThread::InitializeServiceThread(Core::System& system, KThread* thread,
                                         std::function<void()>&& func, s32 prio, s32 virt_core,
                                         KProcess* owner) {
     system.Kernel().GlobalSchedulerContext().AddThread(thread);
-    std::function<void()> func2{[&system, func{std::move(func)}] {
+    std::function<void()> func2{[&system, func_{std::move(func)}] {
         // Similar to UserModeThreadStarter.
         system.Kernel().CurrentScheduler()->OnThreadStart();
 
         // Run the guest function.
-        func();
+        func_();
 
         // Exit.
         Svc::ExitThread(system);

src/core/hle/kernel/k_thread_local_page.cpp

@@ -25,9 +25,9 @@ Result KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
 
     // Map the address in.
     const auto phys_addr = kernel.System().DeviceMemory().GetPhysicalAddr(page_buf);
-    R_TRY(m_owner->PageTable().MapPages(std::addressof(m_virt_addr), 1, PageSize, phys_addr,
-                                        KMemoryState::ThreadLocal,
-                                        KMemoryPermission::UserReadWrite));
+    R_TRY(m_owner->GetPageTable().MapPages(std::addressof(m_virt_addr), 1, PageSize, phys_addr,
+                                           KMemoryState::ThreadLocal,
+                                           KMemoryPermission::UserReadWrite));
 
     // We succeeded.
     page_buf_guard.Cancel();
@@ -37,11 +37,11 @@ Result KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
 
 Result KThreadLocalPage::Finalize() {
     // Get the physical address of the page.
-    const KPhysicalAddress phys_addr = m_owner->PageTable().GetPhysicalAddr(m_virt_addr);
+    const KPhysicalAddress phys_addr = m_owner->GetPageTable().GetPhysicalAddr(m_virt_addr);
     ASSERT(phys_addr);
 
     // Unmap the page.
-    R_TRY(m_owner->PageTable().UnmapPages(this->GetAddress(), 1, KMemoryState::ThreadLocal));
+    R_TRY(m_owner->GetPageTable().UnmapPages(this->GetAddress(), 1, KMemoryState::ThreadLocal));
 
     // Free the page.
     KPageBuffer::Free(*m_kernel, KPageBuffer::FromPhysicalAddress(m_kernel->System(), phys_addr));

src/core/hle/kernel/kernel.cpp

@@ -1089,15 +1089,15 @@ static std::jthread RunHostThreadFunc(KernelCore& kernel, KProcess* process,
     KThread::Register(kernel, thread);
 
     return std::jthread(
-        [&kernel, thread, thread_name{std::move(thread_name)}, func{std::move(func)}] {
+        [&kernel, thread, thread_name_{std::move(thread_name)}, func_{std::move(func)}] {
             // Set the thread name.
-            Common::SetCurrentThreadName(thread_name.c_str());
+            Common::SetCurrentThreadName(thread_name_.c_str());
 
             // Set the thread as current.
             kernel.RegisterHostThread(thread);
 
             // Run the callback.
-            func();
+            func_();
 
             // Close the thread.
             // This will free the process if it is the last reference.

src/core/hle/kernel/message_buffer.h

@@ -0,0 +1,612 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/alignment.h"
+#include "common/bit_field.h"
+#include "core/hle/kernel/k_thread.h"
+
+namespace Kernel {
+
+constexpr inline size_t MessageBufferSize = 0x100;
+
+class MessageBuffer {
+public:
+    class MessageHeader {
+    private:
+        static constexpr inline u64 NullTag = 0;
+
+    public:
+        enum class ReceiveListCountType : u32 {
+            None = 0,
+            ToMessageBuffer = 1,
+            ToSingleBuffer = 2,
+
+            CountOffset = 2,
+            CountMax = 13,
+        };
+
+    private:
+        union {
+            std::array<u32, 2> raw;
+
+            struct {
+                // Define fields for the first header word.
+                union {
+                    BitField<0, 16, u16> tag;
+                    BitField<16, 4, u32> pointer_count;
+                    BitField<20, 4, u32> send_count;
+                    BitField<24, 4, u32> receive_count;
+                    BitField<28, 4, u32> exchange_count;
+                };
+
+                // Define fields for the second header word.
+                union {
+                    BitField<0, 10, u32> raw_count;
+                    BitField<10, 4, ReceiveListCountType> receive_list_count;
+                    BitField<14, 6, u32> reserved0;
+                    BitField<20, 11, u32> receive_list_offset;
+                    BitField<31, 1, u32> has_special_header;
+                };
+            };
+        } m_header;
+
+    public:
+        constexpr MessageHeader() : m_header{} {}
+
+        constexpr MessageHeader(u16 tag, bool special, s32 ptr, s32 send, s32 recv, s32 exch,
+                                s32 raw, ReceiveListCountType recv_list)
+            : m_header{} {
+            m_header.raw[0] = 0;
+            m_header.raw[1] = 0;
+
+            m_header.tag.Assign(tag);
+            m_header.pointer_count.Assign(ptr);
+            m_header.send_count.Assign(send);
+            m_header.receive_count.Assign(recv);
+            m_header.exchange_count.Assign(exch);
+
+            m_header.raw_count.Assign(raw);
+            m_header.receive_list_count.Assign(recv_list);
+            m_header.has_special_header.Assign(special);
+        }
+
+        explicit MessageHeader(const MessageBuffer& buf) : m_header{} {
+            buf.Get(0, m_header.raw.data(), 2);
+        }
+
+        explicit MessageHeader(const u32* msg) : m_header{{msg[0], msg[1]}} {}
+
+        constexpr u16 GetTag() const {
+            return m_header.tag;
+        }
+
+        constexpr s32 GetPointerCount() const {
+            return m_header.pointer_count;
+        }
+
+        constexpr s32 GetSendCount() const {
+            return m_header.send_count;
+        }
+
+        constexpr s32 GetReceiveCount() const {
+            return m_header.receive_count;
+        }
+
+        constexpr s32 GetExchangeCount() const {
+            return m_header.exchange_count;
+        }
+
+        constexpr s32 GetMapAliasCount() const {
+            return this->GetSendCount() + this->GetReceiveCount() + this->GetExchangeCount();
+        }
+
+        constexpr s32 GetRawCount() const {
+            return m_header.raw_count;
+        }
+
+        constexpr ReceiveListCountType GetReceiveListCount() const {
+            return m_header.receive_list_count;
+        }
+
+        constexpr s32 GetReceiveListOffset() const {
+            return m_header.receive_list_offset;
+        }
+
+        constexpr bool GetHasSpecialHeader() const {
+            return m_header.has_special_header.Value() != 0;
+        }
+
+        constexpr void SetReceiveListCount(ReceiveListCountType recv_list) {
+            m_header.receive_list_count.Assign(recv_list);
+        }
+
+        constexpr const u32* GetData() const {
+            return m_header.raw.data();
+        }
+
+        static constexpr size_t GetDataSize() {
+            return sizeof(m_header);
+        }
+    };
+
+    class SpecialHeader {
+    private:
+        union {
+            std::array<u32, 1> raw;
+
+            // Define fields for the header word.
+            BitField<0, 1, u32> has_process_id;
+            BitField<1, 4, u32> copy_handle_count;
+            BitField<5, 4, u32> move_handle_count;
+        } m_header;
+        bool m_has_header;
+
+    public:
+        constexpr explicit SpecialHeader(bool pid, s32 copy, s32 move)
+            : m_header{}, m_has_header(true) {
+            m_header.has_process_id.Assign(pid);
+            m_header.copy_handle_count.Assign(copy);
+            m_header.move_handle_count.Assign(move);
+        }
+
+        constexpr explicit SpecialHeader(bool pid, s32 copy, s32 move, bool _has_header)
+            : m_header{}, m_has_header(_has_header) {
+            m_header.has_process_id.Assign(pid);
+            m_header.copy_handle_count.Assign(copy);
+            m_header.move_handle_count.Assign(move);
+        }
+
+        explicit SpecialHeader(const MessageBuffer& buf, const MessageHeader& hdr)
+            : m_header{}, m_has_header(hdr.GetHasSpecialHeader()) {
+            if (m_has_header) {
+                buf.Get(static_cast<s32>(MessageHeader::GetDataSize() / sizeof(u32)),
+                        m_header.raw.data(), sizeof(m_header) / sizeof(u32));
+            }
+        }
+
+        constexpr bool GetHasProcessId() const {
+            return m_header.has_process_id.Value() != 0;
+        }
+
+        constexpr s32 GetCopyHandleCount() const {
+            return m_header.copy_handle_count;
+        }
+
+        constexpr s32 GetMoveHandleCount() const {
+            return m_header.move_handle_count;
+        }
+
+        constexpr const u32* GetHeader() const {
+            return m_header.raw.data();
+        }
+
+        constexpr size_t GetHeaderSize() const {
+            if (m_has_header) {
+                return sizeof(m_header);
+            } else {
+                return 0;
+            }
+        }
+
+        constexpr size_t GetDataSize() const {
+            if (m_has_header) {
+                return (this->GetHasProcessId() ? sizeof(u64) : 0) +
+                       (this->GetCopyHandleCount() * sizeof(Handle)) +
+                       (this->GetMoveHandleCount() * sizeof(Handle));
+            } else {
+                return 0;
+            }
+        }
+    };
+
+    class MapAliasDescriptor {
+    public:
+        enum class Attribute : u32 {
+            Ipc = 0,
+            NonSecureIpc = 1,
+            NonDeviceIpc = 3,
+        };
+
+    private:
+        static constexpr u32 SizeLowCount = 32;
+        static constexpr u32 SizeHighCount = 4;
+        static constexpr u32 AddressLowCount = 32;
+        static constexpr u32 AddressMidCount = 4;
+
+        constexpr u32 GetAddressMid(u64 address) {
+            return static_cast<u32>(address >> AddressLowCount) & ((1U << AddressMidCount) - 1);
+        }
+
+        constexpr u32 GetAddressHigh(u64 address) {
+            return static_cast<u32>(address >> (AddressLowCount + AddressMidCount));
+        }
+
+    private:
+        union {
+            std::array<u32, 3> raw;
+
+            struct {
+                // Define fields for the first two words.
+                u32 size_low;
+                u32 address_low;
+
+                // Define fields for the packed descriptor word.
+                union {
+                    BitField<0, 2, Attribute> attributes;
+                    BitField<2, 3, u32> address_high;
+                    BitField<5, 19, u32> reserved;
+                    BitField<24, 4, u32> size_high;
+                    BitField<28, 4, u32> address_mid;
+                };
+            };
+        } m_data;
+
+    public:
+        constexpr MapAliasDescriptor() : m_data{} {}
+
+        MapAliasDescriptor(const void* buffer, size_t _size, Attribute attr = Attribute::Ipc)
+            : m_data{} {
+            const u64 address = reinterpret_cast<u64>(buffer);
+            const u64 size = static_cast<u64>(_size);
+            m_data.size_low = static_cast<u32>(size);
+            m_data.address_low = static_cast<u32>(address);
+            m_data.attributes.Assign(attr);
+            m_data.address_mid.Assign(GetAddressMid(address));
+            m_data.size_high.Assign(static_cast<u32>(size >> SizeLowCount));
+            m_data.address_high.Assign(GetAddressHigh(address));
+        }
+
+        MapAliasDescriptor(const MessageBuffer& buf, s32 index) : m_data{} {
+            buf.Get(index, m_data.raw.data(), 3);
+        }
+
+        constexpr uintptr_t GetAddress() const {
+            return (static_cast<u64>((m_data.address_high << AddressMidCount) | m_data.address_mid)
+                    << AddressLowCount) |
+                   m_data.address_low;
+        }
+
+        constexpr uintptr_t GetSize() const {
+            return (static_cast<u64>(m_data.size_high) << SizeLowCount) | m_data.size_low;
+        }
+
+        constexpr Attribute GetAttribute() const {
+            return m_data.attributes;
+        }
+
+        constexpr const u32* GetData() const {
+            return m_data.raw.data();
+        }
+
+        static constexpr size_t GetDataSize() {
+            return sizeof(m_data);
+        }
+    };
+
+    class PointerDescriptor {
+    private:
+        static constexpr u32 AddressLowCount = 32;
+        static constexpr u32 AddressMidCount = 4;
+
+        constexpr u32 GetAddressMid(u64 address) {
+            return static_cast<u32>(address >> AddressLowCount) & ((1u << AddressMidCount) - 1);
+        }
+
+        constexpr u32 GetAddressHigh(u64 address) {
+            return static_cast<u32>(address >> (AddressLowCount + AddressMidCount));
+        }
+
+    private:
+        union {
+            std::array<u32, 2> raw;
+
+            struct {
+                // Define fields for the packed descriptor word.
+                union {
+                    BitField<0, 4, u32> index;
+                    BitField<4, 2, u32> reserved0;
+                    BitField<6, 3, u32> address_high;
+                    BitField<9, 3, u32> reserved1;
+                    BitField<12, 4, u32> address_mid;
+                    BitField<16, 16, u32> size;
+                };
+
+                // Define fields for the second word.
+                u32 address_low;
+            };
+        } m_data;
+
+    public:
+        constexpr PointerDescriptor() : m_data{} {}
+
+        PointerDescriptor(const void* buffer, size_t size, s32 index) : m_data{} {
+            const u64 address = reinterpret_cast<u64>(buffer);
+
+            m_data.index.Assign(index);
+            m_data.address_high.Assign(GetAddressHigh(address));
+            m_data.address_mid.Assign(GetAddressMid(address));
+            m_data.size.Assign(static_cast<u32>(size));
+
+            m_data.address_low = static_cast<u32>(address);
+        }
+
+        PointerDescriptor(const MessageBuffer& buf, s32 index) : m_data{} {
+            buf.Get(index, m_data.raw.data(), 2);
+        }
+
+        constexpr s32 GetIndex() const {
+            return m_data.index;
+        }
+
+        constexpr uintptr_t GetAddress() const {
+            return (static_cast<u64>((m_data.address_high << AddressMidCount) | m_data.address_mid)
+                    << AddressLowCount) |
+                   m_data.address_low;
+        }
+
+        constexpr size_t GetSize() const {
+            return m_data.size;
+        }
+
+        constexpr const u32* GetData() const {
+            return m_data.raw.data();
+        }
+
+        static constexpr size_t GetDataSize() {
+            return sizeof(m_data);
+        }
+    };
+
+    class ReceiveListEntry {
+    private:
+        static constexpr u32 AddressLowCount = 32;
+
+        constexpr u32 GetAddressHigh(u64 address) {
+            return static_cast<u32>(address >> (AddressLowCount));
+        }
+
+    private:
+        union {
+            std::array<u32, 2> raw;
+
+            struct {
+                // Define fields for the first word.
+                u32 address_low;
+
+                // Define fields for the packed descriptor word.
+                union {
+                    BitField<0, 7, u32> address_high;
+                    BitField<7, 9, u32> reserved;
+                    BitField<16, 16, u32> size;
+                };
+            };
+        } m_data;
+
+    public:
+        constexpr ReceiveListEntry() : m_data{} {}
+
+        ReceiveListEntry(const void* buffer, size_t size) : m_data{} {
+            const u64 address = reinterpret_cast<u64>(buffer);
+
+            m_data.address_low = static_cast<u32>(address);
+
+            m_data.address_high.Assign(GetAddressHigh(address));
+            m_data.size.Assign(static_cast<u32>(size));
+        }
+
+        ReceiveListEntry(u32 a, u32 b) : m_data{{a, b}} {}
+
+        constexpr uintptr_t GetAddress() const {
+            return (static_cast<u64>(m_data.address_high) << AddressLowCount) | m_data.address_low;
+        }
+
+        constexpr size_t GetSize() const {
+            return m_data.size;
+        }
+
+        constexpr const u32* GetData() const {
+            return m_data.raw.data();
+        }
+
+        static constexpr size_t GetDataSize() {
+            return sizeof(m_data);
+        }
+    };
+
+private:
+    u32* m_buffer;
+    size_t m_size;
+
+public:
+    constexpr MessageBuffer(u32* b, size_t sz) : m_buffer(b), m_size(sz) {}
+    constexpr explicit MessageBuffer(u32* b) : m_buffer(b), m_size(MessageBufferSize) {}
+
+    constexpr void* GetBufferForDebug() const {
+        return m_buffer;
+    }
+
+    constexpr size_t GetBufferSize() const {
+        return m_size;
+    }
+
+    void Get(s32 index, u32* dst, size_t count) const {
+        // Ensure that this doesn't get re-ordered.
+        std::atomic_thread_fence(std::memory_order_seq_cst);
+
+        // Get the words.
+        static_assert(sizeof(*dst) == sizeof(*m_buffer));
+
+        memcpy(dst, m_buffer + index, count * sizeof(*dst));
+    }
+
+    s32 Set(s32 index, u32* src, size_t count) const {
+        // Ensure that this doesn't get re-ordered.
+        std::atomic_thread_fence(std::memory_order_seq_cst);
+
+        // Set the words.
+        memcpy(m_buffer + index, src, count * sizeof(*src));
+
+        // Ensure that this doesn't get re-ordered.
+        std::atomic_thread_fence(std::memory_order_seq_cst);
+
+        return static_cast<s32>(index + count);
+    }
+
+    template <typename T>
+    const T& GetRaw(s32 index) const {
+        return *reinterpret_cast<const T*>(m_buffer + index);
+    }
+
+    template <typename T>
+    s32 SetRaw(s32 index, const T& val) const {
+        *reinterpret_cast<const T*>(m_buffer + index) = val;
+        return index + (Common::AlignUp(sizeof(val), sizeof(*m_buffer)) / sizeof(*m_buffer));
+    }
+
+    void GetRawArray(s32 index, void* dst, size_t len) const {
+        memcpy(dst, m_buffer + index, len);
+    }
+
+    void SetRawArray(s32 index, const void* src, size_t len) const {
+        memcpy(m_buffer + index, src, len);
+    }
+
+    void SetNull() const {
+        this->Set(MessageHeader());
+    }
+
+    s32 Set(const MessageHeader& hdr) const {
+        memcpy(m_buffer, hdr.GetData(), hdr.GetDataSize());
+        return static_cast<s32>(hdr.GetDataSize() / sizeof(*m_buffer));
+    }
+
+    s32 Set(const SpecialHeader& spc) const {
+        const s32 index = static_cast<s32>(MessageHeader::GetDataSize() / sizeof(*m_buffer));
+        memcpy(m_buffer + index, spc.GetHeader(), spc.GetHeaderSize());
+        return static_cast<s32>(index + (spc.GetHeaderSize() / sizeof(*m_buffer)));
+    }
+
+    s32 SetHandle(s32 index, const Handle& hnd) const {
+        memcpy(m_buffer + index, std::addressof(hnd), sizeof(hnd));
+        return static_cast<s32>(index + (sizeof(hnd) / sizeof(*m_buffer)));
+    }
+
+    s32 SetProcessId(s32 index, const u64 pid) const {
+        memcpy(m_buffer + index, std::addressof(pid), sizeof(pid));
+        return static_cast<s32>(index + (sizeof(pid) / sizeof(*m_buffer)));
+    }
+
+    s32 Set(s32 index, const MapAliasDescriptor& desc) const {
+        memcpy(m_buffer + index, desc.GetData(), desc.GetDataSize());
+        return static_cast<s32>(index + (desc.GetDataSize() / sizeof(*m_buffer)));
+    }
+
+    s32 Set(s32 index, const PointerDescriptor& desc) const {
+        memcpy(m_buffer + index, desc.GetData(), desc.GetDataSize());
+        return static_cast<s32>(index + (desc.GetDataSize() / sizeof(*m_buffer)));
+    }
+
+    s32 Set(s32 index, const ReceiveListEntry& desc) const {
+        memcpy(m_buffer + index, desc.GetData(), desc.GetDataSize());
+        return static_cast<s32>(index + (desc.GetDataSize() / sizeof(*m_buffer)));
+    }
+
+    s32 Set(s32 index, const u32 val) const {
+        memcpy(m_buffer + index, std::addressof(val), sizeof(val));
+        return static_cast<s32>(index + (sizeof(val) / sizeof(*m_buffer)));
+    }
+
+    Result GetAsyncResult() const {
+        MessageHeader hdr(m_buffer);
+        MessageHeader null{};
+        if (memcmp(hdr.GetData(), null.GetData(), MessageHeader::GetDataSize()) != 0) [[unlikely]] {
+            R_SUCCEED();
+        }
+        return Result(m_buffer[MessageHeader::GetDataSize() / sizeof(*m_buffer)]);
+    }
+
+    void SetAsyncResult(Result res) const {
+        const s32 index = this->Set(MessageHeader());
+        const auto value = res.raw;
+        memcpy(m_buffer + index, std::addressof(value), sizeof(value));
+    }
+
+    u32 Get32(s32 index) const {
+        return m_buffer[index];
+    }
+
+    u64 Get64(s32 index) const {
+        u64 value;
+        memcpy(std::addressof(value), m_buffer + index, sizeof(value));
+        return value;
+    }
+
+    u64 GetProcessId(s32 index) const {
+        return this->Get64(index);
+    }
+
+    Handle GetHandle(s32 index) const {
+        static_assert(sizeof(Handle) == sizeof(*m_buffer));
+        return Handle(m_buffer[index]);
+    }
+
+    static constexpr s32 GetSpecialDataIndex(const MessageHeader& hdr, const SpecialHeader& spc) {
+        return static_cast<s32>((MessageHeader::GetDataSize() / sizeof(u32)) +
+                                (spc.GetHeaderSize() / sizeof(u32)));
+    }
+
+    static constexpr s32 GetPointerDescriptorIndex(const MessageHeader& hdr,
+                                                   const SpecialHeader& spc) {
+        return static_cast<s32>(GetSpecialDataIndex(hdr, spc) + (spc.GetDataSize() / sizeof(u32)));
+    }
+
+    static constexpr s32 GetMapAliasDescriptorIndex(const MessageHeader& hdr,
+                                                    const SpecialHeader& spc) {
+        return GetPointerDescriptorIndex(hdr, spc) +
+               static_cast<s32>(hdr.GetPointerCount() * PointerDescriptor::GetDataSize() /
+                                sizeof(u32));
+    }
+
+    static constexpr s32 GetRawDataIndex(const MessageHeader& hdr, const SpecialHeader& spc) {
+        return GetMapAliasDescriptorIndex(hdr, spc) +
+               static_cast<s32>(hdr.GetMapAliasCount() * MapAliasDescriptor::GetDataSize() /
+                                sizeof(u32));
+    }
+
+    static constexpr s32 GetReceiveListIndex(const MessageHeader& hdr, const SpecialHeader& spc) {
+        if (const s32 recv_list_index = hdr.GetReceiveListOffset()) {
+            return recv_list_index;
+        } else {
+            return GetRawDataIndex(hdr, spc) + hdr.GetRawCount();
+        }
+    }
+
+    static constexpr size_t GetMessageBufferSize(const MessageHeader& hdr,
+                                                 const SpecialHeader& spc) {
+        // Get the size of the plain message.
+        size_t msg_size = GetReceiveListIndex(hdr, spc) * sizeof(u32);
+
+        // Add the size of the receive list.
+        const auto count = hdr.GetReceiveListCount();
+        switch (count) {
+        case MessageHeader::ReceiveListCountType::None:
+            break;
+        case MessageHeader::ReceiveListCountType::ToMessageBuffer:
+            break;
+        case MessageHeader::ReceiveListCountType::ToSingleBuffer:
+            msg_size += ReceiveListEntry::GetDataSize();
+            break;
+        default:
+            msg_size += (static_cast<s32>(count) -
+                         static_cast<s32>(MessageHeader::ReceiveListCountType::CountOffset)) *
+                        ReceiveListEntry::GetDataSize();
+            break;
+        }
+
+        return msg_size;
+    }
+};
+
+} // namespace Kernel

src/core/hle/kernel/physical_core.cpp

@@ -17,7 +17,9 @@ PhysicalCore::PhysicalCore(std::size_t core_index, Core::System& system, KSchedu
     // a 32-bit instance of Dynarmic. This should be abstracted out to a CPU manager.
     auto& kernel = system.Kernel();
     m_arm_interface = std::make_unique<Core::ARM_Dynarmic_64>(
-        system, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), m_core_index);
+        system, kernel.IsMulticore(),
+        reinterpret_cast<Core::DynarmicExclusiveMonitor&>(kernel.GetExclusiveMonitor()),
+        m_core_index);
 #else
 #error Platform not supported yet.
 #endif
@@ -31,7 +33,9 @@ void PhysicalCore::Initialize(bool is_64_bit) {
     if (!is_64_bit) {
         // We already initialized a 64-bit core, replace with a 32-bit one.
         m_arm_interface = std::make_unique<Core::ARM_Dynarmic_32>(
-            m_system, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), m_core_index);
+            m_system, kernel.IsMulticore(),
+            reinterpret_cast<Core::DynarmicExclusiveMonitor&>(kernel.GetExclusiveMonitor()),
+            m_core_index);
     }
 #else
 #error Platform not supported yet.

src/core/hle/kernel/svc/svc_cache.cpp

@@ -42,7 +42,7 @@ Result FlushProcessDataCache(Core::System& system, Handle process_handle, u64 ad
     R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
 
     // Verify the region is within range.
-    auto& page_table = process->PageTable();
+    auto& page_table = process->GetPageTable();
     R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
 
     // Perform the operation.

src/core/hle/kernel/svc/svc_code_memory.cpp

@@ -48,7 +48,7 @@ Result CreateCodeMemory(Core::System& system, Handle* out, u64 address, uint64_t
     SCOPE_EXIT({ code_mem->Close(); });
 
     // Verify that the region is in range.
-    R_UNLESS(GetCurrentProcess(system.Kernel()).PageTable().Contains(address, size),
+    R_UNLESS(GetCurrentProcess(system.Kernel()).GetPageTable().Contains(address, size),
              ResultInvalidCurrentMemory);
 
     // Initialize the code memory.
@@ -92,7 +92,7 @@ Result ControlCodeMemory(Core::System& system, Handle code_memory_handle,
     case CodeMemoryOperation::Map: {
         // Check that the region is in range.
         R_UNLESS(GetCurrentProcess(system.Kernel())
-                     .PageTable()
+                     .GetPageTable()
                      .CanContain(address, size, KMemoryState::CodeOut),
                  ResultInvalidMemoryRegion);
 
@@ -105,7 +105,7 @@ Result ControlCodeMemory(Core::System& system, Handle code_memory_handle,
     case CodeMemoryOperation::Unmap: {
         // Check that the region is in range.
         R_UNLESS(GetCurrentProcess(system.Kernel())
-                     .PageTable()
+                     .GetPageTable()
                      .CanContain(address, size, KMemoryState::CodeOut),
                  ResultInvalidMemoryRegion);
 
@@ -117,8 +117,8 @@ Result ControlCodeMemory(Core::System& system, Handle code_memory_handle,
     } break;
     case CodeMemoryOperation::MapToOwner: {
         // Check that the region is in range.
-        R_UNLESS(code_mem->GetOwner()->PageTable().CanContain(address, size,
-                                                              KMemoryState::GeneratedCode),
+        R_UNLESS(code_mem->GetOwner()->GetPageTable().CanContain(address, size,
+                                                                 KMemoryState::GeneratedCode),
                  ResultInvalidMemoryRegion);
 
         // Check the memory permission.
@@ -129,8 +129,8 @@ Result ControlCodeMemory(Core::System& system, Handle code_memory_handle,
     } break;
     case CodeMemoryOperation::UnmapFromOwner: {
         // Check that the region is in range.
-        R_UNLESS(code_mem->GetOwner()->PageTable().CanContain(address, size,
-                                                              KMemoryState::GeneratedCode),
+        R_UNLESS(code_mem->GetOwner()->GetPageTable().CanContain(address, size,
+                                                                 KMemoryState::GeneratedCode),
                  ResultInvalidMemoryRegion);
 
         // Check the memory permission.

src/core/hle/kernel/svc/svc_device_address_space.cpp

@@ -107,7 +107,7 @@ Result MapDeviceAddressSpaceByForce(Core::System& system, Handle das_handle, Han
     R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
 
     // Validate that the process address is within range.
-    auto& page_table = process->PageTable();
+    auto& page_table = process->GetPageTable();
     R_UNLESS(page_table.Contains(process_address, size), ResultInvalidCurrentMemory);
 
     // Map.
@@ -148,7 +148,7 @@ Result MapDeviceAddressSpaceAligned(Core::System& system, Handle das_handle, Han
     R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
 
     // Validate that the process address is within range.
-    auto& page_table = process->PageTable();
+    auto& page_table = process->GetPageTable();
     R_UNLESS(page_table.Contains(process_address, size), ResultInvalidCurrentMemory);
 
     // Map.
@@ -180,7 +180,7 @@ Result UnmapDeviceAddressSpace(Core::System& system, Handle das_handle, Handle p
     R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
 
     // Validate that the process address is within range.
-    auto& page_table = process->PageTable();
+    auto& page_table = process->GetPageTable();
     R_UNLESS(page_table.Contains(process_address, size), ResultInvalidCurrentMemory);
 
     R_RETURN(das->Unmap(std::addressof(page_table), process_address, size, device_address));

src/core/hle/kernel/svc/svc_info.cpp

@@ -54,35 +54,35 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
             R_SUCCEED();
 
         case InfoType::AliasRegionAddress:
-            *result = GetInteger(process->PageTable().GetAliasRegionStart());
+            *result = GetInteger(process->GetPageTable().GetAliasRegionStart());
             R_SUCCEED();
 
         case InfoType::AliasRegionSize:
-            *result = process->PageTable().GetAliasRegionSize();
+            *result = process->GetPageTable().GetAliasRegionSize();
             R_SUCCEED();
 
         case InfoType::HeapRegionAddress:
-            *result = GetInteger(process->PageTable().GetHeapRegionStart());
+            *result = GetInteger(process->GetPageTable().GetHeapRegionStart());
             R_SUCCEED();
 
         case InfoType::HeapRegionSize:
-            *result = process->PageTable().GetHeapRegionSize();
+            *result = process->GetPageTable().GetHeapRegionSize();
             R_SUCCEED();
 
         case InfoType::AslrRegionAddress:
-            *result = GetInteger(process->PageTable().GetAliasCodeRegionStart());
+            *result = GetInteger(process->GetPageTable().GetAliasCodeRegionStart());
             R_SUCCEED();
 
         case InfoType::AslrRegionSize:
-            *result = process->PageTable().GetAliasCodeRegionSize();
+            *result = process->GetPageTable().GetAliasCodeRegionSize();
             R_SUCCEED();
 
         case InfoType::StackRegionAddress:
-            *result = GetInteger(process->PageTable().GetStackRegionStart());
+            *result = GetInteger(process->GetPageTable().GetStackRegionStart());
             R_SUCCEED();
 
         case InfoType::StackRegionSize:
-            *result = process->PageTable().GetStackRegionSize();
+            *result = process->GetPageTable().GetStackRegionSize();
             R_SUCCEED();
 
         case InfoType::TotalMemorySize:

src/core/hle/kernel/svc/svc_ipc.cpp

@@ -8,6 +8,7 @@
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/svc.h"
+#include "core/hle/kernel/svc_results.h"
 
 namespace Kernel::Svc {
 
@@ -49,14 +50,10 @@ Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles_ad
 
     // Copy user handles.
     if (num_handles > 0) {
-        // Ensure we can try to get the handles.
-        R_UNLESS(GetCurrentMemory(kernel).IsValidVirtualAddressRange(
-                     handles_addr, static_cast<u64>(sizeof(Handle) * num_handles)),
-                 ResultInvalidPointer);
-
         // Get the handles.
-        GetCurrentMemory(kernel).ReadBlock(handles_addr, handles.data(),
-                                           sizeof(Handle) * num_handles);
+        R_UNLESS(GetCurrentMemory(kernel).ReadBlock(handles_addr, handles.data(),
+                                                    sizeof(Handle) * num_handles),
+                 ResultInvalidPointer);
 
         // Convert the handles to objects.
         R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(

src/core/hle/kernel/svc/svc_memory.cpp

@@ -63,36 +63,13 @@ Result MapUnmapMemorySanityChecks(const KPageTable& manager, u64 dst_addr, u64 s
         R_THROW(ResultInvalidCurrentMemory);
     }
 
-    if (!manager.IsInsideAddressSpace(src_addr, size)) {
+    if (!manager.Contains(src_addr, size)) {
         LOG_ERROR(Kernel_SVC,
                   "Source is not within the address space, addr=0x{:016X}, size=0x{:016X}",
                   src_addr, size);
         R_THROW(ResultInvalidCurrentMemory);
     }
 
-    if (manager.IsOutsideStackRegion(dst_addr, size)) {
-        LOG_ERROR(Kernel_SVC,
-                  "Destination is not within the stack region, addr=0x{:016X}, size=0x{:016X}",
-                  dst_addr, size);
-        R_THROW(ResultInvalidMemoryRegion);
-    }
-
-    if (manager.IsInsideHeapRegion(dst_addr, size)) {
-        LOG_ERROR(Kernel_SVC,
-                  "Destination does not fit within the heap region, addr=0x{:016X}, "
-                  "size=0x{:016X}",
-                  dst_addr, size);
-        R_THROW(ResultInvalidMemoryRegion);
-    }
-
-    if (manager.IsInsideAliasRegion(dst_addr, size)) {
-        LOG_ERROR(Kernel_SVC,
-                  "Destination does not fit within the map region, addr=0x{:016X}, "
-                  "size=0x{:016X}",
-                  dst_addr, size);
-        R_THROW(ResultInvalidMemoryRegion);
-    }
-
     R_SUCCEED();
 }
 
@@ -112,7 +89,7 @@ Result SetMemoryPermission(Core::System& system, u64 address, u64 size, MemoryPe
     R_UNLESS(IsValidSetMemoryPermission(perm), ResultInvalidNewMemoryPermission);
 
     // Validate that the region is in range for the current process.
-    auto& page_table = GetCurrentProcess(system.Kernel()).PageTable();
+    auto& page_table = GetCurrentProcess(system.Kernel()).GetPageTable();
     R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
 
     // Set the memory attribute.
@@ -136,7 +113,7 @@ Result SetMemoryAttribute(Core::System& system, u64 address, u64 size, u32 mask,
     R_UNLESS((mask | attr | SupportedMask) == SupportedMask, ResultInvalidCombination);
 
     // Validate that the region is in range for the current process.
-    auto& page_table{GetCurrentProcess(system.Kernel()).PageTable()};
+    auto& page_table{GetCurrentProcess(system.Kernel()).GetPageTable()};
     R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
 
     // Set the memory attribute.
@@ -148,7 +125,7 @@ Result MapMemory(Core::System& system, u64 dst_addr, u64 src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
               src_addr, size);
 
-    auto& page_table{GetCurrentProcess(system.Kernel()).PageTable()};
+    auto& page_table{GetCurrentProcess(system.Kernel()).GetPageTable()};
 
     if (const Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
         result.IsError()) {
@@ -163,7 +140,7 @@ Result UnmapMemory(Core::System& system, u64 dst_addr, u64 src_addr, u64 size) {
     LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
               src_addr, size);
 
-    auto& page_table{GetCurrentProcess(system.Kernel()).PageTable()};
+    auto& page_table{GetCurrentProcess(system.Kernel()).GetPageTable()};
 
     if (const Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
         result.IsError()) {

src/core/hle/kernel/svc/svc_physical_memory.cpp

@@ -16,7 +16,7 @@ Result SetHeapSize(Core::System& system, u64* out_address, u64 size) {
     R_UNLESS(size < MainMemorySizeMax, ResultInvalidSize);
 
     // Set the heap size.
-    R_RETURN(GetCurrentProcess(system.Kernel()).PageTable().SetHeapSize(out_address, size));
+    R_RETURN(GetCurrentProcess(system.Kernel()).GetPageTable().SetHeapSize(out_address, size));
 }
 
 /// Maps memory at a desired address
@@ -44,21 +44,21 @@ Result MapPhysicalMemory(Core::System& system, u64 addr, u64 size) {
     }
 
     KProcess* const current_process{GetCurrentProcessPointer(system.Kernel())};
-    auto& page_table{current_process->PageTable()};
+    auto& page_table{current_process->GetPageTable()};
 
     if (current_process->GetSystemResourceSize() == 0) {
         LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
         R_THROW(ResultInvalidState);
     }
 
-    if (!page_table.IsInsideAddressSpace(addr, size)) {
+    if (!page_table.Contains(addr, size)) {
         LOG_ERROR(Kernel_SVC,
                   "Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
                   size);
         R_THROW(ResultInvalidMemoryRegion);
     }
 
-    if (page_table.IsOutsideAliasRegion(addr, size)) {
+    if (!page_table.IsInAliasRegion(addr, size)) {
         LOG_ERROR(Kernel_SVC,
                   "Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
                   size);
@@ -93,21 +93,21 @@ Result UnmapPhysicalMemory(Core::System& system, u64 addr, u64 size) {
     }
 
     KProcess* const current_process{GetCurrentProcessPointer(system.Kernel())};
-    auto& page_table{current_process->PageTable()};
+    auto& page_table{current_process->GetPageTable()};
 
     if (current_process->GetSystemResourceSize() == 0) {
         LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
         R_THROW(ResultInvalidState);
     }
 
-    if (!page_table.IsInsideAddressSpace(addr, size)) {
+    if (!page_table.Contains(addr, size)) {
         LOG_ERROR(Kernel_SVC,
                   "Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
                   size);
         R_THROW(ResultInvalidMemoryRegion);
     }
 
-    if (page_table.IsOutsideAliasRegion(addr, size)) {
+    if (!page_table.IsInAliasRegion(addr, size)) {
         LOG_ERROR(Kernel_SVC,
                   "Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
                   size);

src/core/hle/kernel/svc/svc_process.cpp

@@ -66,8 +66,8 @@ Result GetProcessList(Core::System& system, s32* out_num_processes, u64 out_proc
     auto& kernel = system.Kernel();
     const auto total_copy_size = out_process_ids_size * sizeof(u64);
 
-    if (out_process_ids_size > 0 && !GetCurrentProcess(kernel).PageTable().IsInsideAddressSpace(
-                                        out_process_ids, total_copy_size)) {
+    if (out_process_ids_size > 0 &&
+        !GetCurrentProcess(kernel).GetPageTable().Contains(out_process_ids, total_copy_size)) {
         LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
                   out_process_ids, out_process_ids + total_copy_size);
         R_THROW(ResultInvalidCurrentMemory);

src/core/hle/kernel/svc/svc_process_memory.cpp

@@ -49,7 +49,7 @@ Result SetProcessMemoryPermission(Core::System& system, Handle process_handle, u
     R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
 
     // Validate that the address is in range.
-    auto& page_table = process->PageTable();
+    auto& page_table = process->GetPageTable();
     R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
 
     // Set the memory permission.
@@ -77,8 +77,8 @@ Result MapProcessMemory(Core::System& system, u64 dst_address, Handle process_ha
     R_UNLESS(src_process.IsNotNull(), ResultInvalidHandle);
 
     // Get the page tables.
-    auto& dst_pt = dst_process->PageTable();
-    auto& src_pt = src_process->PageTable();
+    auto& dst_pt = dst_process->GetPageTable();
+    auto& src_pt = src_process->GetPageTable();
 
     // Validate that the mapping is in range.
     R_UNLESS(src_pt.Contains(src_address, size), ResultInvalidCurrentMemory);
@@ -118,8 +118,8 @@ Result UnmapProcessMemory(Core::System& system, u64 dst_address, Handle process_
     R_UNLESS(src_process.IsNotNull(), ResultInvalidHandle);
 
     // Get the page tables.
-    auto& dst_pt = dst_process->PageTable();
-    auto& src_pt = src_process->PageTable();
+    auto& dst_pt = dst_process->GetPageTable();
+    auto& src_pt = src_process->GetPageTable();
 
     // Validate that the mapping is in range.
     R_UNLESS(src_pt.Contains(src_address, size), ResultInvalidCurrentMemory);
@@ -178,8 +178,8 @@ Result MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst
         R_THROW(ResultInvalidHandle);
     }
 
-    auto& page_table = process->PageTable();
-    if (!page_table.IsInsideAddressSpace(src_address, size)) {
+    auto& page_table = process->GetPageTable();
+    if (!page_table.Contains(src_address, size)) {
         LOG_ERROR(Kernel_SVC,
                   "Source address range is not within the address space (src_address=0x{:016X}, "
                   "size=0x{:016X}).",
@@ -187,14 +187,6 @@ Result MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst
         R_THROW(ResultInvalidCurrentMemory);
     }
 
-    if (!page_table.IsInsideASLRRegion(dst_address, size)) {
-        LOG_ERROR(Kernel_SVC,
-                  "Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
-                  "size=0x{:016X}).",
-                  dst_address, size);
-        R_THROW(ResultInvalidMemoryRegion);
-    }
-
     R_RETURN(page_table.MapCodeMemory(dst_address, src_address, size));
 }
 
@@ -246,8 +238,8 @@ Result UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 d
         R_THROW(ResultInvalidHandle);
     }
 
-    auto& page_table = process->PageTable();
-    if (!page_table.IsInsideAddressSpace(src_address, size)) {
+    auto& page_table = process->GetPageTable();
+    if (!page_table.Contains(src_address, size)) {
         LOG_ERROR(Kernel_SVC,
                   "Source address range is not within the address space (src_address=0x{:016X}, "
                   "size=0x{:016X}).",
@@ -255,14 +247,6 @@ Result UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 d
         R_THROW(ResultInvalidCurrentMemory);
     }
 
-    if (!page_table.IsInsideASLRRegion(dst_address, size)) {
-        LOG_ERROR(Kernel_SVC,
-                  "Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
-                  "size=0x{:016X}).",
-                  dst_address, size);
-        R_THROW(ResultInvalidMemoryRegion);
-    }
-
     R_RETURN(page_table.UnmapCodeMemory(dst_address, src_address, size,
                                         KPageTable::ICacheInvalidationStrategy::InvalidateAll));
 }

src/core/hle/kernel/svc/svc_query_memory.cpp

@@ -31,7 +31,7 @@ Result QueryProcessMemory(Core::System& system, uint64_t out_memory_info, PageIn
     }
 
     auto& current_memory{GetCurrentMemory(system.Kernel())};
-    const auto memory_info{process->PageTable().QueryInfo(address).GetSvcMemoryInfo()};
+    const auto memory_info{process->GetPageTable().QueryInfo(address).GetSvcMemoryInfo()};
 
     current_memory.WriteBlock(out_memory_info, std::addressof(memory_info), sizeof(memory_info));
 

src/core/hle/kernel/svc/svc_shared_memory.cpp

@@ -43,7 +43,7 @@ Result MapSharedMemory(Core::System& system, Handle shmem_handle, u64 address, u
 
     // Get the current process.
     auto& process = GetCurrentProcess(system.Kernel());
-    auto& page_table = process.PageTable();
+    auto& page_table = process.GetPageTable();
 
     // Get the shared memory.
     KScopedAutoObject shmem = process.GetHandleTable().GetObject<KSharedMemory>(shmem_handle);
@@ -73,7 +73,7 @@ Result UnmapSharedMemory(Core::System& system, Handle shmem_handle, u64 address,
 
     // Get the current process.
     auto& process = GetCurrentProcess(system.Kernel());
-    auto& page_table = process.PageTable();
+    auto& page_table = process.GetPageTable();
 
     // Get the shared memory.
     KScopedAutoObject shmem = process.GetHandleTable().GetObject<KSharedMemory>(shmem_handle);

src/core/hle/kernel/svc/svc_synchronization.cpp

@@ -7,6 +7,7 @@
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/kernel/svc.h"
+#include "core/hle/kernel/svc_results.h"
 
 namespace Kernel::Svc {
 
@@ -64,14 +65,10 @@ Result WaitSynchronization(Core::System& system, int32_t* out_index, u64 user_ha
 
     // Copy user handles.
     if (num_handles > 0) {
-        // Ensure we can try to get the handles.
-        R_UNLESS(GetCurrentMemory(kernel).IsValidVirtualAddressRange(
-                     user_handles, static_cast<u64>(sizeof(Handle) * num_handles)),
-                 ResultInvalidPointer);
-
         // Get the handles.
-        GetCurrentMemory(kernel).ReadBlock(user_handles, handles.data(),
-                                           sizeof(Handle) * num_handles);
+        R_UNLESS(GetCurrentMemory(kernel).ReadBlock(user_handles, handles.data(),
+                                                    sizeof(Handle) * num_handles),
+                 ResultInvalidPointer);
 
         // Convert the handles to objects.
         R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(

src/core/hle/kernel/svc/svc_thread.cpp

@@ -236,7 +236,7 @@ Result GetThreadList(Core::System& system, s32* out_num_threads, u64 out_thread_
     const auto total_copy_size = out_thread_ids_size * sizeof(u64);
 
     if (out_thread_ids_size > 0 &&
-        !current_process->PageTable().IsInsideAddressSpace(out_thread_ids, total_copy_size)) {
+        !current_process->GetPageTable().Contains(out_thread_ids, total_copy_size)) {
         LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
                   out_thread_ids, out_thread_ids + total_copy_size);
         R_THROW(ResultInvalidCurrentMemory);

src/core/hle/kernel/svc/svc_transfer_memory.cpp

@@ -55,7 +55,7 @@ Result CreateTransferMemory(Core::System& system, Handle* out, u64 address, u64
     SCOPE_EXIT({ trmem->Close(); });
 
     // Ensure that the region is in range.
-    R_UNLESS(process.PageTable().Contains(address, size), ResultInvalidCurrentMemory);
+    R_UNLESS(process.GetPageTable().Contains(address, size), ResultInvalidCurrentMemory);
 
     // Initialize the transfer memory.
     R_TRY(trmem->Initialize(address, size, map_perm));

src/core/hle/service/acc/acc.cpp

@@ -496,8 +496,9 @@ public:
     void LoadIdTokenCache(HLERequestContext& ctx) {
         LOG_WARNING(Service_ACC, "(STUBBED) called");
 
-        IPC::ResponseBuilder rb{ctx, 2};
+        IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
+        rb.Push(0);
     }
 
 protected:

src/core/hle/service/am/am.cpp

@@ -506,8 +506,8 @@ void ISelfController::SetHandlesRequestToDisplay(HLERequestContext& ctx) {
 void ISelfController::SetIdleTimeDetectionExtension(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     idle_time_detection_extension = rp.Pop<u32>();
-    LOG_WARNING(Service_AM, "(STUBBED) called idle_time_detection_extension={}",
-                idle_time_detection_extension);
+    LOG_DEBUG(Service_AM, "(STUBBED) called idle_time_detection_extension={}",
+              idle_time_detection_extension);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);

src/core/hle/service/glue/ectx.cpp

@@ -2,13 +2,48 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "core/hle/service/glue/ectx.h"
+#include "core/hle/service/ipc_helpers.h"
 
 namespace Service::Glue {
 
+// This is nn::err::context::IContextRegistrar
+class IContextRegistrar : public ServiceFramework<IContextRegistrar> {
+public:
+    IContextRegistrar(Core::System& system_) : ServiceFramework{system_, "IContextRegistrar"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, &IContextRegistrar::Complete, "Complete"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+    ~IContextRegistrar() override = default;
+
+private:
+    void Complete(HLERequestContext& ctx) {
+        struct InputParameters {
+            u32 unk;
+        };
+        struct OutputParameters {
+            u32 unk;
+        };
+
+        IPC::RequestParser rp{ctx};
+        [[maybe_unused]] auto input = rp.PopRaw<InputParameters>();
+        [[maybe_unused]] auto value = ctx.ReadBuffer();
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(0);
+    }
+};
+
 ECTX_AW::ECTX_AW(Core::System& system_) : ServiceFramework{system_, "ectx:aw"} {
     // clang-format off
     static const FunctionInfo functions[] = {
-        {0, nullptr, "CreateContextRegistrar"},
+        {0, &ECTX_AW::CreateContextRegistrar, "CreateContextRegistrar"},
         {1, nullptr, "CommitContext"},
     };
     // clang-format on
@@ -18,4 +53,10 @@ ECTX_AW::ECTX_AW(Core::System& system_) : ServiceFramework{system_, "ectx:aw"} {
 
 ECTX_AW::~ECTX_AW() = default;
 
+void ECTX_AW::CreateContextRegistrar(HLERequestContext& ctx) {
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(ResultSuccess);
+    rb.PushIpcInterface<IContextRegistrar>(std::make_shared<IContextRegistrar>(system));
+}
+
 } // namespace Service::Glue

src/core/hle/service/glue/ectx.h

@@ -15,6 +15,9 @@ class ECTX_AW final : public ServiceFramework<ECTX_AW> {
 public:
     explicit ECTX_AW(Core::System& system_);
     ~ECTX_AW() override;
+
+private:
+    void CreateContextRegistrar(HLERequestContext& ctx);
 };
 
 } // namespace Service::Glue

src/core/hle/service/hle_ipc.cpp

@@ -329,8 +329,22 @@ std::vector<u8> HLERequestContext::ReadBufferCopy(std::size_t buffer_index) cons
 }
 
 std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const {
-    static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_a;
-    static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_x;
+    static thread_local std::array read_buffer_a{
+        Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+        Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+    };
+    static thread_local std::array read_buffer_data_a{
+        Common::ScratchBuffer<u8>(),
+        Common::ScratchBuffer<u8>(),
+    };
+    static thread_local std::array read_buffer_x{
+        Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+        Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+    };
+    static thread_local std::array read_buffer_data_x{
+        Common::ScratchBuffer<u8>(),
+        Common::ScratchBuffer<u8>(),
+    };
 
     const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
                            BufferDescriptorA()[buffer_index].Size()};
@@ -339,19 +353,17 @@ std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) cons
             BufferDescriptorA().size() > buffer_index, { return {}; },
             "BufferDescriptorA invalid buffer_index {}", buffer_index);
         auto& read_buffer = read_buffer_a[buffer_index];
-        read_buffer.resize_destructive(BufferDescriptorA()[buffer_index].Size());
-        memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), read_buffer.data(),
-                         read_buffer.size());
-        return read_buffer;
+        return read_buffer.Read(BufferDescriptorA()[buffer_index].Address(),
+                                BufferDescriptorA()[buffer_index].Size(),
+                                &read_buffer_data_a[buffer_index]);
     } else {
         ASSERT_OR_EXECUTE_MSG(
             BufferDescriptorX().size() > buffer_index, { return {}; },
             "BufferDescriptorX invalid buffer_index {}", buffer_index);
         auto& read_buffer = read_buffer_x[buffer_index];
-        read_buffer.resize_destructive(BufferDescriptorX()[buffer_index].Size());
-        memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), read_buffer.data(),
-                         read_buffer.size());
-        return read_buffer;
+        return read_buffer.Read(BufferDescriptorX()[buffer_index].Address(),
+                                BufferDescriptorX()[buffer_index].Size(),
+                                &read_buffer_data_x[buffer_index]);
     }
 }
 

src/core/hle/service/ldr/ldr.cpp

@@ -318,15 +318,15 @@ public:
                     return false;
                 }
 
-                if (!page_table.IsInsideAddressSpace(out_addr, size)) {
+                if (!page_table.Contains(out_addr, size)) {
                     return false;
                 }
 
-                if (page_table.IsInsideHeapRegion(out_addr, size)) {
+                if (page_table.IsInHeapRegion(out_addr, size)) {
                     return false;
                 }
 
-                if (page_table.IsInsideAliasRegion(out_addr, size)) {
+                if (page_table.IsInAliasRegion(out_addr, size)) {
                     return false;
                 }
 
@@ -358,7 +358,7 @@ public:
     }
 
     ResultVal<VAddr> MapProcessCodeMemory(Kernel::KProcess* process, VAddr base_addr, u64 size) {
-        auto& page_table{process->PageTable()};
+        auto& page_table{process->GetPageTable()};
         VAddr addr{};
 
         for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
@@ -382,7 +382,7 @@ public:
     ResultVal<VAddr> MapNro(Kernel::KProcess* process, VAddr nro_addr, std::size_t nro_size,
                             VAddr bss_addr, std::size_t bss_size, std::size_t size) {
         for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
-            auto& page_table{process->PageTable()};
+            auto& page_table{process->GetPageTable()};
             VAddr addr{};
 
             CASCADE_RESULT(addr, MapProcessCodeMemory(process, nro_addr, nro_size));
@@ -437,12 +437,12 @@ public:
         CopyCode(nro_addr + nro_header.segment_headers[DATA_INDEX].memory_offset, data_start,
                  nro_header.segment_headers[DATA_INDEX].memory_size);
 
-        CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
+        CASCADE_CODE(process->GetPageTable().SetProcessMemoryPermission(
             text_start, ro_start - text_start, Kernel::Svc::MemoryPermission::ReadExecute));
-        CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
+        CASCADE_CODE(process->GetPageTable().SetProcessMemoryPermission(
             ro_start, data_start - ro_start, Kernel::Svc::MemoryPermission::Read));
 
-        return process->PageTable().SetProcessMemoryPermission(
+        return process->GetPageTable().SetProcessMemoryPermission(
             data_start, bss_end_addr - data_start, Kernel::Svc::MemoryPermission::ReadWrite);
     }
 
@@ -571,7 +571,7 @@ public:
 
     Result UnmapNro(const NROInfo& info) {
         // Each region must be unmapped separately to validate memory state
-        auto& page_table{system.ApplicationProcess()->PageTable()};
+        auto& page_table{system.ApplicationProcess()->GetPageTable()};
 
         if (info.bss_size != 0) {
             CASCADE_CODE(page_table.UnmapCodeMemory(
@@ -643,7 +643,7 @@ public:
 
         initialized = true;
         current_map_addr =
-            GetInteger(system.ApplicationProcess()->PageTable().GetAliasCodeRegionStart());
+            GetInteger(system.ApplicationProcess()->GetPageTable().GetAliasCodeRegionStart());
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);

src/core/hle/service/nfc/common/amiibo_crypto.cpp

@@ -180,7 +180,7 @@ std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed
 }
 
 void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key,
-                const std::vector<u8>& seed) {
+                std::span<const u8> seed) {
     // Initialize context
     ctx.used = false;
     ctx.counter = 0;

src/core/hle/service/nfc/common/amiibo_crypto.h

@@ -75,7 +75,7 @@ std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed
 
 // Initializes mbedtls context
 void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key,
-                const std::vector<u8>& seed);
+                std::span<const u8> seed);
 
 // Feeds data to mbedtls context to generate the derived key
 void CryptoStep(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, DrgbOutput& output);

src/core/hle/service/nfc/common/device.cpp

@@ -34,8 +34,6 @@
 #include "core/hle/service/nfc/mifare_result.h"
 #include "core/hle/service/nfc/nfc_result.h"
 #include "core/hle/service/time/time_manager.h"
-#include "core/hle/service/time/time_zone_content_manager.h"
-#include "core/hle/service/time/time_zone_types.h"
 
 namespace Service::NFC {
 NfcDevice::NfcDevice(Core::HID::NpadIdType npad_id_, Core::System& system_,
@@ -1486,6 +1484,7 @@ DeviceState NfcDevice::GetCurrentState() const {
 }
 
 Result NfcDevice::GetNpadId(Core::HID::NpadIdType& out_npad_id) const {
+    // TODO: This should get the npad id from nn::hid::system::GetXcdHandleForNpadWithNfc
     out_npad_id = npad_id;
     return ResultSuccess;
 }

src/core/hle/service/nfc/common/device_manager.cpp

@@ -1,6 +1,8 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
+#include <algorithm>
+
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/hid/hid_types.h"
@@ -10,6 +12,7 @@
 #include "core/hle/service/nfc/common/device_manager.h"
 #include "core/hle/service/nfc/nfc_result.h"
 #include "core/hle/service/time/clock_types.h"
+#include "core/hle/service/time/time_manager.h"
 
 namespace Service::NFC {
 
@@ -51,22 +54,53 @@ Result DeviceManager::Finalize() {
     return ResultSuccess;
 }
 
-Result DeviceManager::ListDevices(std::vector<u64>& nfp_devices,
-                                  std::size_t max_allowed_devices) const {
+Result DeviceManager::ListDevices(std::vector<u64>& nfp_devices, std::size_t max_allowed_devices,
+                                  bool skip_fatal_errors) const {
+    std::scoped_lock lock{mutex};
+    if (max_allowed_devices < 1) {
+        return ResultInvalidArgument;
+    }
+
+    Result result = IsNfcParameterSet();
+    if (result.IsError()) {
+        return result;
+    }
+
+    result = IsNfcEnabled();
+    if (result.IsError()) {
+        return result;
+    }
+
+    result = IsNfcInitialized();
+    if (result.IsError()) {
+        return result;
+    }
+
     for (auto& device : devices) {
         if (nfp_devices.size() >= max_allowed_devices) {
             continue;
         }
-        if (device->GetCurrentState() != DeviceState::Unavailable) {
-            nfp_devices.push_back(device->GetHandle());
+        if (skip_fatal_errors) {
+            constexpr u64 MinimumRecoveryTime = 60;
+            auto& standard_steady_clock{system.GetTimeManager().GetStandardSteadyClockCore()};
+            const u64 elapsed_time = standard_steady_clock.GetCurrentTimePoint(system).time_point -
+                                     time_since_last_error;
+
+            if (time_since_last_error != 0 && elapsed_time < MinimumRecoveryTime) {
+                continue;
+            }
         }
+        if (device->GetCurrentState() == DeviceState::Unavailable) {
+            continue;
+        }
+        nfp_devices.push_back(device->GetHandle());
     }
 
     if (nfp_devices.empty()) {
         return ResultDeviceNotFound;
     }
 
-    return ResultSuccess;
+    return result;
 }
 
 DeviceState DeviceManager::GetDeviceState(u64 device_handle) const {
@@ -79,10 +113,10 @@ DeviceState DeviceManager::GetDeviceState(u64 device_handle) const {
         return device->GetCurrentState();
     }
 
-    return DeviceState::Unavailable;
+    return DeviceState::Finalized;
 }
 
-Result DeviceManager::GetNpadId(u64 device_handle, Core::HID::NpadIdType& npad_id) const {
+Result DeviceManager::GetNpadId(u64 device_handle, Core::HID::NpadIdType& npad_id) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -128,7 +162,7 @@ Result DeviceManager::StopDetection(u64 device_handle) {
     return result;
 }
 
-Result DeviceManager::GetTagInfo(u64 device_handle, TagInfo& tag_info) const {
+Result DeviceManager::GetTagInfo(u64 device_handle, TagInfo& tag_info) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -142,24 +176,46 @@ Result DeviceManager::GetTagInfo(u64 device_handle, TagInfo& tag_info) const {
     return result;
 }
 
-Kernel::KReadableEvent& DeviceManager::AttachActivateEvent(u64 device_handle) const {
-    std::scoped_lock lock{mutex};
-
+Result DeviceManager::AttachActivateEvent(Kernel::KReadableEvent** out_event,
+                                          u64 device_handle) const {
+    std::vector<u64> nfp_devices;
     std::shared_ptr<NfcDevice> device = nullptr;
-    GetDeviceFromHandle(device_handle, device, false);
+    Result result = ListDevices(nfp_devices, 9, false);
 
-    // TODO: Return proper error code on failure
-    return device->GetActivateEvent();
+    if (result.IsSuccess()) {
+        result = CheckHandleOnList(device_handle, nfp_devices);
+    }
+
+    if (result.IsSuccess()) {
+        result = GetDeviceFromHandle(device_handle, device, false);
+    }
+
+    if (result.IsSuccess()) {
+        *out_event = &device->GetActivateEvent();
+    }
+
+    return result;
 }
 
-Kernel::KReadableEvent& DeviceManager::AttachDeactivateEvent(u64 device_handle) const {
-    std::scoped_lock lock{mutex};
-
+Result DeviceManager::AttachDeactivateEvent(Kernel::KReadableEvent** out_event,
+                                            u64 device_handle) const {
+    std::vector<u64> nfp_devices;
     std::shared_ptr<NfcDevice> device = nullptr;
-    GetDeviceFromHandle(device_handle, device, false);
+    Result result = ListDevices(nfp_devices, 9, false);
 
-    // TODO: Return proper error code on failure
-    return device->GetDeactivateEvent();
+    if (result.IsSuccess()) {
+        result = CheckHandleOnList(device_handle, nfp_devices);
+    }
+
+    if (result.IsSuccess()) {
+        result = GetDeviceFromHandle(device_handle, device, false);
+    }
+
+    if (result.IsSuccess()) {
+        *out_event = &device->GetDeactivateEvent();
+    }
+
+    return result;
 }
 
 Result DeviceManager::ReadMifare(u64 device_handle,
@@ -253,7 +309,7 @@ Result DeviceManager::OpenApplicationArea(u64 device_handle, u32 access_id) {
     return result;
 }
 
-Result DeviceManager::GetApplicationArea(u64 device_handle, std::span<u8> data) const {
+Result DeviceManager::GetApplicationArea(u64 device_handle, std::span<u8> data) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -324,7 +380,7 @@ Result DeviceManager::CreateApplicationArea(u64 device_handle, u32 access_id,
     return result;
 }
 
-Result DeviceManager::GetRegisterInfo(u64 device_handle, NFP::RegisterInfo& register_info) const {
+Result DeviceManager::GetRegisterInfo(u64 device_handle, NFP::RegisterInfo& register_info) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -338,7 +394,7 @@ Result DeviceManager::GetRegisterInfo(u64 device_handle, NFP::RegisterInfo& regi
     return result;
 }
 
-Result DeviceManager::GetCommonInfo(u64 device_handle, NFP::CommonInfo& common_info) const {
+Result DeviceManager::GetCommonInfo(u64 device_handle, NFP::CommonInfo& common_info) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -352,7 +408,7 @@ Result DeviceManager::GetCommonInfo(u64 device_handle, NFP::CommonInfo& common_i
     return result;
 }
 
-Result DeviceManager::GetModelInfo(u64 device_handle, NFP::ModelInfo& model_info) const {
+Result DeviceManager::GetModelInfo(u64 device_handle, NFP::ModelInfo& model_info) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -399,7 +455,7 @@ Result DeviceManager::Format(u64 device_handle) {
     return result;
 }
 
-Result DeviceManager::GetAdminInfo(u64 device_handle, NFP::AdminInfo& admin_info) const {
+Result DeviceManager::GetAdminInfo(u64 device_handle, NFP::AdminInfo& admin_info) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -414,7 +470,7 @@ Result DeviceManager::GetAdminInfo(u64 device_handle, NFP::AdminInfo& admin_info
 }
 
 Result DeviceManager::GetRegisterInfoPrivate(u64 device_handle,
-                                             NFP::RegisterInfoPrivate& register_info) const {
+                                             NFP::RegisterInfoPrivate& register_info) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -471,7 +527,7 @@ Result DeviceManager::DeleteApplicationArea(u64 device_handle) {
     return result;
 }
 
-Result DeviceManager::ExistsApplicationArea(u64 device_handle, bool& has_application_area) const {
+Result DeviceManager::ExistsApplicationArea(u64 device_handle, bool& has_application_area) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -485,7 +541,7 @@ Result DeviceManager::ExistsApplicationArea(u64 device_handle, bool& has_applica
     return result;
 }
 
-Result DeviceManager::GetAll(u64 device_handle, NFP::NfpData& nfp_data) const {
+Result DeviceManager::GetAll(u64 device_handle, NFP::NfpData& nfp_data) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -541,7 +597,7 @@ Result DeviceManager::BreakTag(u64 device_handle, NFP::BreakType break_type) {
     return result;
 }
 
-Result DeviceManager::ReadBackupData(u64 device_handle, std::span<u8> data) const {
+Result DeviceManager::ReadBackupData(u64 device_handle, std::span<u8> data) {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
@@ -593,6 +649,19 @@ Result DeviceManager::WriteNtf(u64 device_handle, NFP::WriteType, std::span<cons
     return result;
 }
 
+Result DeviceManager::CheckHandleOnList(u64 device_handle,
+                                        const std::span<const u64> device_list) const {
+    if (device_list.size() < 1) {
+        return ResultDeviceNotFound;
+    }
+
+    if (std::find(device_list.begin(), device_list.end(), device_handle) != device_list.end()) {
+        return ResultSuccess;
+    }
+
+    return ResultDeviceNotFound;
+}
+
 Result DeviceManager::GetDeviceFromHandle(u64 handle, std::shared_ptr<NfcDevice>& nfc_device,
                                           bool check_state) const {
     if (check_state) {
@@ -647,7 +716,7 @@ Result DeviceManager::GetDeviceHandle(u64 handle, std::shared_ptr<NfcDevice>& de
 }
 
 Result DeviceManager::VerifyDeviceResult(std::shared_ptr<NfcDevice> device,
-                                         Result operation_result) const {
+                                         Result operation_result) {
     if (operation_result.IsSuccess()) {
         return operation_result;
     }
@@ -669,6 +738,12 @@ Result DeviceManager::VerifyDeviceResult(std::shared_ptr<NfcDevice> device,
         return device_state;
     }
 
+    if (operation_result == ResultUnknown112 || operation_result == ResultUnknown114 ||
+        operation_result == ResultUnknown115) {
+        auto& standard_steady_clock{system.GetTimeManager().GetStandardSteadyClockCore()};
+        time_since_last_error = standard_steady_clock.GetCurrentTimePoint(system).time_point;
+    }
+
     return operation_result;
 }
 

src/core/hle/service/nfc/common/device_manager.h

@@ -27,15 +27,16 @@ public:
     // Nfc device manager
     Result Initialize();
     Result Finalize();
-    Result ListDevices(std::vector<u64>& nfp_devices, std::size_t max_allowed_devices) const;
+    Result ListDevices(std::vector<u64>& nfp_devices, std::size_t max_allowed_devices,
+                       bool skip_fatal_errors) const;
     DeviceState GetDeviceState(u64 device_handle) const;
-    Result GetNpadId(u64 device_handle, Core::HID::NpadIdType& npad_id) const;
+    Result GetNpadId(u64 device_handle, Core::HID::NpadIdType& npad_id);
     Kernel::KReadableEvent& AttachAvailabilityChangeEvent() const;
     Result StartDetection(u64 device_handle, NfcProtocol tag_protocol);
     Result StopDetection(u64 device_handle);
-    Result GetTagInfo(u64 device_handle, NFP::TagInfo& tag_info) const;
-    Kernel::KReadableEvent& AttachActivateEvent(u64 device_handle) const;
-    Kernel::KReadableEvent& AttachDeactivateEvent(u64 device_handle) const;
+    Result GetTagInfo(u64 device_handle, NFP::TagInfo& tag_info);
+    Result AttachActivateEvent(Kernel::KReadableEvent** event, u64 device_handle) const;
+    Result AttachDeactivateEvent(Kernel::KReadableEvent** event, u64 device_handle) const;
     Result ReadMifare(u64 device_handle,
                       const std::span<const MifareReadBlockParameter> read_parameters,
                       std::span<MifareReadBlockData> read_data);
@@ -48,28 +49,28 @@ public:
     Result Mount(u64 device_handle, NFP::ModelType model_type, NFP::MountTarget mount_target);
     Result Unmount(u64 device_handle);
     Result OpenApplicationArea(u64 device_handle, u32 access_id);
-    Result GetApplicationArea(u64 device_handle, std::span<u8> data) const;
+    Result GetApplicationArea(u64 device_handle, std::span<u8> data);
     Result SetApplicationArea(u64 device_handle, std::span<const u8> data);
     Result Flush(u64 device_handle);
     Result Restore(u64 device_handle);
     Result CreateApplicationArea(u64 device_handle, u32 access_id, std::span<const u8> data);
-    Result GetRegisterInfo(u64 device_handle, NFP::RegisterInfo& register_info) const;
-    Result GetCommonInfo(u64 device_handle, NFP::CommonInfo& common_info) const;
-    Result GetModelInfo(u64 device_handle, NFP::ModelInfo& model_info) const;
+    Result GetRegisterInfo(u64 device_handle, NFP::RegisterInfo& register_info);
+    Result GetCommonInfo(u64 device_handle, NFP::CommonInfo& common_info);
+    Result GetModelInfo(u64 device_handle, NFP::ModelInfo& model_info);
     u32 GetApplicationAreaSize() const;
     Result RecreateApplicationArea(u64 device_handle, u32 access_id, std::span<const u8> data);
     Result Format(u64 device_handle);
-    Result GetAdminInfo(u64 device_handle, NFP::AdminInfo& admin_info) const;
-    Result GetRegisterInfoPrivate(u64 device_handle, NFP::RegisterInfoPrivate& register_info) const;
+    Result GetAdminInfo(u64 device_handle, NFP::AdminInfo& admin_info);
+    Result GetRegisterInfoPrivate(u64 device_handle, NFP::RegisterInfoPrivate& register_info);
     Result SetRegisterInfoPrivate(u64 device_handle, const NFP::RegisterInfoPrivate& register_info);
     Result DeleteRegisterInfo(u64 device_handle);
     Result DeleteApplicationArea(u64 device_handle);
-    Result ExistsApplicationArea(u64 device_handle, bool& has_application_area) const;
-    Result GetAll(u64 device_handle, NFP::NfpData& nfp_data) const;
+    Result ExistsApplicationArea(u64 device_handle, bool& has_application_area);
+    Result GetAll(u64 device_handle, NFP::NfpData& nfp_data);
     Result SetAll(u64 device_handle, const NFP::NfpData& nfp_data);
     Result FlushDebug(u64 device_handle);
     Result BreakTag(u64 device_handle, NFP::BreakType break_type);
-    Result ReadBackupData(u64 device_handle, std::span<u8> data) const;
+    Result ReadBackupData(u64 device_handle, std::span<u8> data);
     Result WriteBackupData(u64 device_handle, std::span<const u8> data);
     Result WriteNtf(u64 device_handle, NFP::WriteType, std::span<const u8> data);
 
@@ -78,17 +79,20 @@ private:
     Result IsNfcParameterSet() const;
     Result IsNfcInitialized() const;
 
+    Result CheckHandleOnList(u64 device_handle, std::span<const u64> device_list) const;
+
     Result GetDeviceFromHandle(u64 handle, std::shared_ptr<NfcDevice>& device,
                                bool check_state) const;
 
     Result GetDeviceHandle(u64 handle, std::shared_ptr<NfcDevice>& device) const;
-    Result VerifyDeviceResult(std::shared_ptr<NfcDevice> device, Result operation_result) const;
+    Result VerifyDeviceResult(std::shared_ptr<NfcDevice> device, Result operation_result);
     Result CheckDeviceState(std::shared_ptr<NfcDevice> device) const;
 
     std::optional<std::shared_ptr<NfcDevice>> GetNfcDevice(u64 handle);
     const std::optional<std::shared_ptr<NfcDevice>> GetNfcDevice(u64 handle) const;
 
     bool is_initialized = false;
+    u64 time_since_last_error = 0;
     mutable std::mutex mutex;
     std::array<std::shared_ptr<NfcDevice>, 10> devices{};
 

src/core/hle/service/nfc/nfc_interface.cpp

@@ -79,7 +79,7 @@ void NfcInterface::ListDevices(HLERequestContext& ctx) {
     const std::size_t max_allowed_devices = ctx.GetWriteBufferNumElements<u64>();
     LOG_DEBUG(Service_NFC, "called");
 
-    auto result = GetManager()->ListDevices(nfp_devices, max_allowed_devices);
+    auto result = GetManager()->ListDevices(nfp_devices, max_allowed_devices, true);
     result = TranslateResultToServiceError(result);
 
     if (result.IsError()) {
@@ -190,9 +190,13 @@ void NfcInterface::AttachActivateEvent(HLERequestContext& ctx) {
     const auto device_handle{rp.Pop<u64>()};
     LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
 
+    Kernel::KReadableEvent* out_event = nullptr;
+    auto result = GetManager()->AttachActivateEvent(&out_event, device_handle);
+    result = TranslateResultToServiceError(result);
+
     IPC::ResponseBuilder rb{ctx, 2, 1};
-    rb.Push(ResultSuccess);
-    rb.PushCopyObjects(GetManager()->AttachActivateEvent(device_handle));
+    rb.Push(result);
+    rb.PushCopyObjects(out_event);
 }
 
 void NfcInterface::AttachDeactivateEvent(HLERequestContext& ctx) {
@@ -200,9 +204,13 @@ void NfcInterface::AttachDeactivateEvent(HLERequestContext& ctx) {
     const auto device_handle{rp.Pop<u64>()};
     LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
 
+    Kernel::KReadableEvent* out_event = nullptr;
+    auto result = GetManager()->AttachDeactivateEvent(&out_event, device_handle);
+    result = TranslateResultToServiceError(result);
+
     IPC::ResponseBuilder rb{ctx, 2, 1};
-    rb.Push(ResultSuccess);
-    rb.PushCopyObjects(GetManager()->AttachDeactivateEvent(device_handle));
+    rb.Push(result);
+    rb.PushCopyObjects(out_event);
 }
 
 void NfcInterface::ReadMifare(HLERequestContext& ctx) {

src/core/hle/service/nfc/nfc_result.h

@@ -17,7 +17,10 @@ constexpr Result ResultNfcNotInitialized(ErrorModule::NFC, 77);
 constexpr Result ResultNfcDisabled(ErrorModule::NFC, 80);
 constexpr Result ResultWriteAmiiboFailed(ErrorModule::NFC, 88);
 constexpr Result ResultTagRemoved(ErrorModule::NFC, 97);
+constexpr Result ResultUnknown112(ErrorModule::NFC, 112);
 constexpr Result ResultUnableToAccessBackupFile(ErrorModule::NFC, 113);
+constexpr Result ResultUnknown114(ErrorModule::NFC, 114);
+constexpr Result ResultUnknown115(ErrorModule::NFC, 115);
 constexpr Result ResultRegistrationIsNotInitialized(ErrorModule::NFC, 120);
 constexpr Result ResultApplicationAreaIsNotInitialized(ErrorModule::NFC, 128);
 constexpr Result ResultCorruptedDataWithBackup(ErrorModule::NFC, 136);

src/core/hle/service/nifm/nifm.cpp

@@ -7,6 +7,7 @@
 #include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/server_manager.h"
+#include "network/network.h"
 
 namespace {
 

src/core/hle/service/nifm/nifm.h

@@ -4,14 +4,15 @@
 #pragma once
 
 #include "core/hle/service/service.h"
-#include "network/network.h"
-#include "network/room.h"
-#include "network/room_member.h"
 
 namespace Core {
 class System;
 }
 
+namespace Network {
+class RoomNetwork;
+}
+
 namespace Service::NIFM {
 
 void LoopProcess(Core::System& system);

src/core/hle/service/nvdrv/devices/nvmap.cpp

@@ -128,7 +128,7 @@ NvResult nvmap::IocAlloc(std::span<const u8> input, std::span<u8> output) {
     }
     bool is_out_io{};
     ASSERT(system.ApplicationProcess()
-               ->PageTable()
+               ->GetPageTable()
                .LockForMapDeviceAddressSpace(&is_out_io, handle_description->address,
                                              handle_description->size,
                                              Kernel::KMemoryPermission::None, true, false)
@@ -255,7 +255,7 @@ NvResult nvmap::IocFree(std::span<const u8> input, std::span<u8> output) {
     if (auto freeInfo{file.FreeHandle(params.handle, false)}) {
         if (freeInfo->can_unlock) {
             ASSERT(system.ApplicationProcess()
-                       ->PageTable()
+                       ->GetPageTable()
                        .UnlockForDeviceAddressSpace(freeInfo->address, freeInfo->size)
                        .IsSuccess());
         }

src/core/hle/service/sockets/bsd.cpp

@@ -20,6 +20,9 @@
 #include "core/internal_network/sockets.h"
 #include "network/network.h"
 
+using Common::Expected;
+using Common::Unexpected;
+
 namespace Service::Sockets {
 
 namespace {
@@ -265,16 +268,19 @@ void BSD::GetSockOpt(HLERequestContext& ctx) {
     const u32 level = rp.Pop<u32>();
     const auto optname = static_cast<OptName>(rp.Pop<u32>());
 
-    LOG_WARNING(Service, "(STUBBED) called. fd={} level={} optname=0x{:x}", fd, level, optname);
-
     std::vector<u8> optval(ctx.GetWriteBufferSize());
 
+    LOG_DEBUG(Service, "called. fd={} level={} optname=0x{:x} len=0x{:x}", fd, level, optname,
+              optval.size());
+
+    const Errno err = GetSockOptImpl(fd, level, optname, optval);
+
     ctx.WriteBuffer(optval);
 
     IPC::ResponseBuilder rb{ctx, 5};
     rb.Push(ResultSuccess);
-    rb.Push<s32>(-1);
-    rb.PushEnum(Errno::NOTCONN);
+    rb.Push<s32>(err == Errno::SUCCESS ? 0 : -1);
+    rb.PushEnum(err);
     rb.Push<u32>(static_cast<u32>(optval.size()));
 }
 
@@ -436,6 +442,31 @@ void BSD::Close(HLERequestContext& ctx) {
     BuildErrnoResponse(ctx, CloseImpl(fd));
 }
 
+void BSD::DuplicateSocket(HLERequestContext& ctx) {
+    struct InputParameters {
+        s32 fd;
+        u64 reserved;
+    };
+    static_assert(sizeof(InputParameters) == 0x10);
+
+    struct OutputParameters {
+        s32 ret;
+        Errno bsd_errno;
+    };
+    static_assert(sizeof(OutputParameters) == 0x8);
+
+    IPC::RequestParser rp{ctx};
+    auto input = rp.PopRaw<InputParameters>();
+
+    Expected<s32, Errno> res = DuplicateSocketImpl(input.fd);
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(OutputParameters{
+        .ret = res.value_or(0),
+        .bsd_errno = res ? Errno::SUCCESS : res.error(),
+    });
+}
+
 void BSD::EventFd(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const u64 initval = rp.Pop<u64>();
@@ -477,12 +508,12 @@ std::pair<s32, Errno> BSD::SocketImpl(Domain domain, Type type, Protocol protoco
 
     auto room_member = room_network.GetRoomMember().lock();
     if (room_member && room_member->IsConnected()) {
-        descriptor.socket = std::make_unique<Network::ProxySocket>(room_network);
+        descriptor.socket = std::make_shared<Network::ProxySocket>(room_network);
     } else {
-        descriptor.socket = std::make_unique<Network::Socket>();
+        descriptor.socket = std::make_shared<Network::Socket>();
     }
 
-    descriptor.socket->Initialize(Translate(domain), Translate(type), Translate(type, protocol));
+    descriptor.socket->Initialize(Translate(domain), Translate(type), Translate(protocol));
     descriptor.is_connection_based = IsConnectionBased(type);
 
     return {fd, Errno::SUCCESS};
@@ -528,7 +559,7 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::span<con
 
         const std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd];
         if (!descriptor) {
-            LOG_ERROR(Service, "File descriptor handle={} is not allocated", pollfd.fd);
+            LOG_TRACE(Service, "File descriptor handle={} is not allocated", pollfd.fd);
             pollfd.revents = PollEvents::Nval;
             return {0, Errno::SUCCESS};
         }
@@ -538,7 +569,7 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::span<con
     std::transform(fds.begin(), fds.end(), host_pollfds.begin(), [this](PollFD pollfd) {
         Network::PollFD result;
         result.socket = file_descriptors[pollfd.fd]->socket.get();
-        result.events = TranslatePollEventsToHost(pollfd.events);
+        result.events = Translate(pollfd.events);
         result.revents = Network::PollEvents{};
         return result;
     });
@@ -547,7 +578,7 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::span<con
 
     const size_t num = host_pollfds.size();
     for (size_t i = 0; i < num; ++i) {
-        fds[i].revents = TranslatePollEventsToGuest(host_pollfds[i].revents);
+        fds[i].revents = Translate(host_pollfds[i].revents);
     }
     std::memcpy(write_buffer.data(), fds.data(), length);
 
@@ -617,7 +648,8 @@ Errno BSD::GetPeerNameImpl(s32 fd, std::vector<u8>& write_buffer) {
     }
     const SockAddrIn guest_addrin = Translate(addr_in);
 
-    ASSERT(write_buffer.size() == sizeof(guest_addrin));
+    ASSERT(write_buffer.size() >= sizeof(guest_addrin));
+    write_buffer.resize(sizeof(guest_addrin));
     std::memcpy(write_buffer.data(), &guest_addrin, sizeof(guest_addrin));
     return Translate(bsd_errno);
 }
@@ -633,7 +665,8 @@ Errno BSD::GetSockNameImpl(s32 fd, std::vector<u8>& write_buffer) {
     }
     const SockAddrIn guest_addrin = Translate(addr_in);
 
-    ASSERT(write_buffer.size() == sizeof(guest_addrin));
+    ASSERT(write_buffer.size() >= sizeof(guest_addrin));
+    write_buffer.resize(sizeof(guest_addrin));
     std::memcpy(write_buffer.data(), &guest_addrin, sizeof(guest_addrin));
     return Translate(bsd_errno);
 }
@@ -671,13 +704,47 @@ std::pair<s32, Errno> BSD::FcntlImpl(s32 fd, FcntlCmd cmd, s32 arg) {
     }
 }
 
-Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, const void* optval) {
-    UNIMPLEMENTED_IF(level != 0xffff); // SOL_SOCKET
-
+Errno BSD::GetSockOptImpl(s32 fd, u32 level, OptName optname, std::vector<u8>& optval) {
     if (!IsFileDescriptorValid(fd)) {
         return Errno::BADF;
     }
 
+    if (level != static_cast<u32>(SocketLevel::SOCKET)) {
+        UNIMPLEMENTED_MSG("Unknown getsockopt level");
+        return Errno::SUCCESS;
+    }
+
+    Network::SocketBase* const socket = file_descriptors[fd]->socket.get();
+
+    switch (optname) {
+    case OptName::ERROR_: {
+        auto [pending_err, getsockopt_err] = socket->GetPendingError();
+        if (getsockopt_err == Network::Errno::SUCCESS) {
+            Errno translated_pending_err = Translate(pending_err);
+            ASSERT_OR_EXECUTE_MSG(
+                optval.size() == sizeof(Errno), { return Errno::INVAL; },
+                "Incorrect getsockopt option size");
+            optval.resize(sizeof(Errno));
+            memcpy(optval.data(), &translated_pending_err, sizeof(Errno));
+        }
+        return Translate(getsockopt_err);
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented optname={}", optname);
+        return Errno::SUCCESS;
+    }
+}
+
+Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, const void* optval) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Errno::BADF;
+    }
+
+    if (level != static_cast<u32>(SocketLevel::SOCKET)) {
+        UNIMPLEMENTED_MSG("Unknown setsockopt level");
+        return Errno::SUCCESS;
+    }
+
     Network::SocketBase* const socket = file_descriptors[fd]->socket.get();
 
     if (optname == OptName::LINGER) {
@@ -711,6 +778,9 @@ Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, con
         return Translate(socket->SetSndTimeo(value));
     case OptName::RCVTIMEO:
         return Translate(socket->SetRcvTimeo(value));
+    case OptName::NOSIGPIPE:
+        LOG_WARNING(Service, "(STUBBED) setting NOSIGPIPE to {}", value);
+        return Errno::SUCCESS;
     default:
         UNIMPLEMENTED_MSG("Unimplemented optname={}", optname);
         return Errno::SUCCESS;
@@ -841,6 +911,28 @@ Errno BSD::CloseImpl(s32 fd) {
     return bsd_errno;
 }
 
+Expected<s32, Errno> BSD::DuplicateSocketImpl(s32 fd) {
+    if (!IsFileDescriptorValid(fd)) {
+        return Unexpected(Errno::BADF);
+    }
+
+    const s32 new_fd = FindFreeFileDescriptorHandle();
+    if (new_fd < 0) {
+        LOG_ERROR(Service, "No more file descriptors available");
+        return Unexpected(Errno::MFILE);
+    }
+
+    file_descriptors[new_fd] = file_descriptors[fd];
+    return new_fd;
+}
+
+std::optional<std::shared_ptr<Network::SocketBase>> BSD::GetSocket(s32 fd) {
+    if (!IsFileDescriptorValid(fd)) {
+        return std::nullopt;
+    }
+    return file_descriptors[fd]->socket;
+}
+
 s32 BSD::FindFreeFileDescriptorHandle() noexcept {
     for (s32 fd = 0; fd < static_cast<s32>(file_descriptors.size()); ++fd) {
         if (!file_descriptors[fd]) {
@@ -911,7 +1003,7 @@ BSD::BSD(Core::System& system_, const char* name)
         {24, &BSD::Write, "Write"},
         {25, &BSD::Read, "Read"},
         {26, &BSD::Close, "Close"},
-        {27, nullptr, "DuplicateSocket"},
+        {27, &BSD::DuplicateSocket, "DuplicateSocket"},
         {28, nullptr, "GetResourceStatistics"},
         {29, nullptr, "RecvMMsg"},
         {30, nullptr, "SendMMsg"},

src/core/hle/service/sockets/bsd.h

@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "common/common_types.h"
+#include "common/expected.h"
 #include "common/socket_types.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sockets/sockets.h"
@@ -29,12 +30,19 @@ public:
     explicit BSD(Core::System& system_, const char* name);
     ~BSD() override;
 
+    // These methods are called from SSL; the first two are also called from
+    // this class for the corresponding IPC methods.
+    // On the real device, the SSL service makes IPC calls to this service.
+    Common::Expected<s32, Errno> DuplicateSocketImpl(s32 fd);
+    Errno CloseImpl(s32 fd);
+    std::optional<std::shared_ptr<Network::SocketBase>> GetSocket(s32 fd);
+
 private:
     /// Maximum number of file descriptors
     static constexpr size_t MAX_FD = 128;
 
     struct FileDescriptor {
-        std::unique_ptr<Network::SocketBase> socket;
+        std::shared_ptr<Network::SocketBase> socket;
         s32 flags = 0;
         bool is_connection_based = false;
     };
@@ -138,6 +146,7 @@ private:
     void Write(HLERequestContext& ctx);
     void Read(HLERequestContext& ctx);
     void Close(HLERequestContext& ctx);
+    void DuplicateSocket(HLERequestContext& ctx);
     void EventFd(HLERequestContext& ctx);
 
     template <typename Work>
@@ -153,6 +162,7 @@ private:
     Errno GetSockNameImpl(s32 fd, std::vector<u8>& write_buffer);
     Errno ListenImpl(s32 fd, s32 backlog);
     std::pair<s32, Errno> FcntlImpl(s32 fd, FcntlCmd cmd, s32 arg);
+    Errno GetSockOptImpl(s32 fd, u32 level, OptName optname, std::vector<u8>& optval);
     Errno SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, const void* optval);
     Errno ShutdownImpl(s32 fd, s32 how);
     std::pair<s32, Errno> RecvImpl(s32 fd, u32 flags, std::vector<u8>& message);
@@ -161,7 +171,6 @@ private:
     std::pair<s32, Errno> SendImpl(s32 fd, u32 flags, std::span<const u8> message);
     std::pair<s32, Errno> SendToImpl(s32 fd, u32 flags, std::span<const u8> message,
                                      std::span<const u8> addr);
-    Errno CloseImpl(s32 fd);
 
     s32 FindFreeFileDescriptorHandle() noexcept;
     bool IsFileDescriptorValid(s32 fd) const noexcept;

src/core/hle/service/sockets/nsd.cpp

@@ -1,22 +1,36 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/sockets/nsd.h"
 
+#include "common/string_util.h"
+
 namespace Service::Sockets {
 
+constexpr Result ResultOverflow{ErrorModule::NSD, 6};
+
+// This is nn::oe::ServerEnvironmentType
+enum class ServerEnvironmentType : u8 {
+    Dd,
+    Lp,
+    Sd,
+    Sp,
+    Dp,
+};
+
 NSD::NSD(Core::System& system_, const char* name) : ServiceFramework{system_, name} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {5, nullptr, "GetSettingUrl"},
         {10, nullptr, "GetSettingName"},
-        {11, nullptr, "GetEnvironmentIdentifier"},
+        {11, &NSD::GetEnvironmentIdentifier, "GetEnvironmentIdentifier"},
         {12, nullptr, "GetDeviceId"},
         {13, nullptr, "DeleteSettings"},
         {14, nullptr, "ImportSettings"},
         {15, nullptr, "SetChangeEnvironmentIdentifierDisabled"},
-        {20, nullptr, "Resolve"},
-        {21, nullptr, "ResolveEx"},
+        {20, &NSD::Resolve, "Resolve"},
+        {21, &NSD::ResolveEx, "ResolveEx"},
         {30, nullptr, "GetNasServiceSetting"},
         {31, nullptr, "GetNasServiceSettingEx"},
         {40, nullptr, "GetNasRequestFqdn"},
@@ -31,7 +45,7 @@ NSD::NSD(Core::System& system_, const char* name) : ServiceFramework{system_, na
         {62, nullptr, "DeleteSaveDataOfFsForTest"},
         {63, nullptr, "IsChangeEnvironmentIdentifierDisabled"},
         {64, nullptr, "SetWithoutDomainExchangeFqdns"},
-        {100, nullptr, "GetApplicationServerEnvironmentType"},
+        {100, &NSD::GetApplicationServerEnvironmentType, "GetApplicationServerEnvironmentType"},
         {101, nullptr, "SetApplicationServerEnvironmentType"},
         {102, nullptr, "DeleteApplicationServerEnvironmentType"},
     };
@@ -40,6 +54,69 @@ NSD::NSD(Core::System& system_, const char* name) : ServiceFramework{system_, na
     RegisterHandlers(functions);
 }
 
+static ResultVal<std::string> ResolveImpl(const std::string& fqdn_in) {
+    // The real implementation makes various substitutions.
+    // For now we just return the string as-is, which is good enough when not
+    // connecting to real Nintendo servers.
+    LOG_WARNING(Service, "(STUBBED) called, fqdn_in={}", fqdn_in);
+    return fqdn_in;
+}
+
+static Result ResolveCommon(const std::string& fqdn_in, std::array<char, 0x100>& fqdn_out) {
+    const auto res = ResolveImpl(fqdn_in);
+    if (res.Failed()) {
+        return res.Code();
+    }
+    if (res->size() >= fqdn_out.size()) {
+        return ResultOverflow;
+    }
+    std::memcpy(fqdn_out.data(), res->c_str(), res->size() + 1);
+    return ResultSuccess;
+}
+
+void NSD::Resolve(HLERequestContext& ctx) {
+    const std::string fqdn_in = Common::StringFromBuffer(ctx.ReadBuffer(0));
+
+    std::array<char, 0x100> fqdn_out{};
+    const Result res = ResolveCommon(fqdn_in, fqdn_out);
+
+    ctx.WriteBuffer(fqdn_out);
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(res);
+}
+
+void NSD::ResolveEx(HLERequestContext& ctx) {
+    const std::string fqdn_in = Common::StringFromBuffer(ctx.ReadBuffer(0));
+
+    std::array<char, 0x100> fqdn_out;
+    const Result res = ResolveCommon(fqdn_in, fqdn_out);
+
+    if (res.IsError()) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res);
+        return;
+    }
+
+    ctx.WriteBuffer(fqdn_out);
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.Push(ResultSuccess);
+}
+
+void NSD::GetEnvironmentIdentifier(HLERequestContext& ctx) {
+    const std::string environment_identifier = "lp1";
+    ctx.WriteBuffer(environment_identifier);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void NSD::GetApplicationServerEnvironmentType(HLERequestContext& ctx) {
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push(static_cast<u32>(ServerEnvironmentType::Lp));
+}
+
 NSD::~NSD() = default;
 
 } // namespace Service::Sockets

src/core/hle/service/sockets/nsd.h

@@ -15,6 +15,12 @@ class NSD final : public ServiceFramework<NSD> {
 public:
     explicit NSD(Core::System& system_, const char* name);
     ~NSD() override;
+
+private:
+    void Resolve(HLERequestContext& ctx);
+    void ResolveEx(HLERequestContext& ctx);
+    void GetEnvironmentIdentifier(HLERequestContext& ctx);
+    void GetApplicationServerEnvironmentType(HLERequestContext& ctx);
 };
 
 } // namespace Service::Sockets

src/core/hle/service/sockets/sfdnsres.cpp

@@ -10,39 +10,30 @@
 #include "core/core.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/sockets/sfdnsres.h"
+#include "core/hle/service/sockets/sockets.h"
+#include "core/hle/service/sockets/sockets_translate.h"
+#include "core/internal_network/network.h"
 #include "core/memory.h"
 
-#ifdef _WIN32
-#include <ws2tcpip.h>
-#elif YUZU_UNIX
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <sys/socket.h>
-#ifndef EAI_NODATA
-#define EAI_NODATA EAI_NONAME
-#endif
-#endif
-
 namespace Service::Sockets {
 
 SFDNSRES::SFDNSRES(Core::System& system_) : ServiceFramework{system_, "sfdnsres"} {
     static const FunctionInfo functions[] = {
         {0, nullptr, "SetDnsAddressesPrivateRequest"},
         {1, nullptr, "GetDnsAddressPrivateRequest"},
-        {2, nullptr, "GetHostByNameRequest"},
+        {2, &SFDNSRES::GetHostByNameRequest, "GetHostByNameRequest"},
         {3, nullptr, "GetHostByAddrRequest"},
         {4, nullptr, "GetHostStringErrorRequest"},
-        {5, nullptr, "GetGaiStringErrorRequest"},
+        {5, &SFDNSRES::GetGaiStringErrorRequest, "GetGaiStringErrorRequest"},
         {6, &SFDNSRES::GetAddrInfoRequest, "GetAddrInfoRequest"},
         {7, nullptr, "GetNameInfoRequest"},
         {8, nullptr, "RequestCancelHandleRequest"},
         {9, nullptr, "CancelRequest"},
-        {10, nullptr, "GetHostByNameRequestWithOptions"},
+        {10, &SFDNSRES::GetHostByNameRequestWithOptions, "GetHostByNameRequestWithOptions"},
         {11, nullptr, "GetHostByAddrRequestWithOptions"},
         {12, &SFDNSRES::GetAddrInfoRequestWithOptions, "GetAddrInfoRequestWithOptions"},
         {13, nullptr, "GetNameInfoRequestWithOptions"},
-        {14, nullptr, "ResolverSetOptionRequest"},
+        {14, &SFDNSRES::ResolverSetOptionRequest, "ResolverSetOptionRequest"},
         {15, nullptr, "ResolverGetOptionRequest"},
     };
     RegisterHandlers(functions);
@@ -59,188 +50,299 @@ enum class NetDbError : s32 {
     NoData = 4,
 };
 
-static NetDbError AddrInfoErrorToNetDbError(s32 result) {
-    // Best effort guess to map errors
+static NetDbError GetAddrInfoErrorToNetDbError(GetAddrInfoError result) {
+    // These combinations have been verified on console (but are not
+    // exhaustive).
     switch (result) {
-    case 0:
+    case GetAddrInfoError::SUCCESS:
         return NetDbError::Success;
-    case EAI_AGAIN:
+    case GetAddrInfoError::AGAIN:
         return NetDbError::TryAgain;
-    case EAI_NODATA:
-        return NetDbError::NoData;
+    case GetAddrInfoError::NODATA:
+        return NetDbError::HostNotFound;
+    case GetAddrInfoError::SERVICE:
+        return NetDbError::Success;
     default:
         return NetDbError::HostNotFound;
     }
 }
 
-static std::vector<u8> SerializeAddrInfo(const addrinfo* addrinfo, s32 result_code,
+static Errno GetAddrInfoErrorToErrno(GetAddrInfoError result) {
+    // These combinations have been verified on console (but are not
+    // exhaustive).
+    switch (result) {
+    case GetAddrInfoError::SUCCESS:
+        // Note: Sometimes a successful lookup sets errno to EADDRNOTAVAIL for
+        // some reason, but that doesn't seem useful to implement.
+        return Errno::SUCCESS;
+    case GetAddrInfoError::AGAIN:
+        return Errno::SUCCESS;
+    case GetAddrInfoError::NODATA:
+        return Errno::SUCCESS;
+    case GetAddrInfoError::SERVICE:
+        return Errno::INVAL;
+    default:
+        return Errno::SUCCESS;
+    }
+}
+
+template <typename T>
+static void Append(std::vector<u8>& vec, T t) {
+    const size_t offset = vec.size();
+    vec.resize(offset + sizeof(T));
+    std::memcpy(vec.data() + offset, &t, sizeof(T));
+}
+
+static void AppendNulTerminated(std::vector<u8>& vec, std::string_view str) {
+    const size_t offset = vec.size();
+    vec.resize(offset + str.size() + 1);
+    std::memmove(vec.data() + offset, str.data(), str.size());
+}
+
+// We implement gethostbyname using the host's getaddrinfo rather than the
+// host's gethostbyname, because it simplifies portability: e.g., getaddrinfo
+// behaves the same on Unix and Windows, unlike gethostbyname where Windows
+// doesn't implement h_errno.
+static std::vector<u8> SerializeAddrInfoAsHostEnt(const std::vector<Network::AddrInfo>& vec,
+                                                  std::string_view host) {
+
+    std::vector<u8> data;
+    // h_name: use the input hostname (append nul-terminated)
+    AppendNulTerminated(data, host);
+    // h_aliases: leave empty
+
+    Append<u32_be>(data, 0); // count of h_aliases
+    // (If the count were nonzero, the aliases would be appended as nul-terminated here.)
+    Append<u16_be>(data, static_cast<u16>(Domain::INET)); // h_addrtype
+    Append<u16_be>(data, sizeof(Network::IPv4Address));   // h_length
+    // h_addr_list:
+    size_t count = vec.size();
+    ASSERT(count <= UINT32_MAX);
+    Append<u32_be>(data, static_cast<uint32_t>(count));
+    for (const Network::AddrInfo& addrinfo : vec) {
+        // On the Switch, this is passed through htonl despite already being
+        // big-endian, so it ends up as little-endian.
+        Append<u32_le>(data, Network::IPv4AddressToInteger(addrinfo.addr.ip));
+
+        LOG_INFO(Service, "Resolved host '{}' to IPv4 address {}", host,
+                 Network::IPv4AddressToString(addrinfo.addr.ip));
+    }
+    return data;
+}
+
+static std::pair<u32, GetAddrInfoError> GetHostByNameRequestImpl(HLERequestContext& ctx) {
+    struct InputParameters {
+        u8 use_nsd_resolve;
+        u32 cancel_handle;
+        u64 process_id;
+    };
+    static_assert(sizeof(InputParameters) == 0x10);
+
+    IPC::RequestParser rp{ctx};
+    const auto parameters = rp.PopRaw<InputParameters>();
+
+    LOG_WARNING(
+        Service,
+        "called with ignored parameters: use_nsd_resolve={}, cancel_handle={}, process_id={}",
+        parameters.use_nsd_resolve, parameters.cancel_handle, parameters.process_id);
+
+    const auto host_buffer = ctx.ReadBuffer(0);
+    const std::string host = Common::StringFromBuffer(host_buffer);
+    // For now, ignore options, which are in input buffer 1 for GetHostByNameRequestWithOptions.
+
+    auto res = Network::GetAddressInfo(host, /*service*/ std::nullopt);
+    if (!res.has_value()) {
+        return {0, Translate(res.error())};
+    }
+
+    const std::vector<u8> data = SerializeAddrInfoAsHostEnt(res.value(), host);
+    const u32 data_size = static_cast<u32>(data.size());
+    ctx.WriteBuffer(data, 0);
+
+    return {data_size, GetAddrInfoError::SUCCESS};
+}
+
+void SFDNSRES::GetHostByNameRequest(HLERequestContext& ctx) {
+    auto [data_size, emu_gai_err] = GetHostByNameRequestImpl(ctx);
+
+    struct OutputParameters {
+        NetDbError netdb_error;
+        Errno bsd_errno;
+        u32 data_size;
+    };
+    static_assert(sizeof(OutputParameters) == 0xc);
+
+    IPC::ResponseBuilder rb{ctx, 5};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(OutputParameters{
+        .netdb_error = GetAddrInfoErrorToNetDbError(emu_gai_err),
+        .bsd_errno = GetAddrInfoErrorToErrno(emu_gai_err),
+        .data_size = data_size,
+    });
+}
+
+void SFDNSRES::GetHostByNameRequestWithOptions(HLERequestContext& ctx) {
+    auto [data_size, emu_gai_err] = GetHostByNameRequestImpl(ctx);
+
+    struct OutputParameters {
+        u32 data_size;
+        NetDbError netdb_error;
+        Errno bsd_errno;
+    };
+    static_assert(sizeof(OutputParameters) == 0xc);
+
+    IPC::ResponseBuilder rb{ctx, 5};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(OutputParameters{
+        .data_size = data_size,
+        .netdb_error = GetAddrInfoErrorToNetDbError(emu_gai_err),
+        .bsd_errno = GetAddrInfoErrorToErrno(emu_gai_err),
+    });
+}
+
+static std::vector<u8> SerializeAddrInfo(const std::vector<Network::AddrInfo>& vec,
                                          std::string_view host) {
     // Adapted from
     // https://github.com/switchbrew/libnx/blob/c5a9a909a91657a9818a3b7e18c9b91ff0cbb6e3/nx/source/runtime/resolver.c#L190
     std::vector<u8> data;
 
-    auto* current = addrinfo;
-    while (current != nullptr) {
-        struct SerializedResponseHeader {
-            u32 magic;
-            s32 flags;
-            s32 family;
-            s32 socket_type;
-            s32 protocol;
-            u32 address_length;
-        };
-        static_assert(sizeof(SerializedResponseHeader) == 0x18,
-                      "Response header size must be 0x18 bytes");
+    for (const Network::AddrInfo& addrinfo : vec) {
+        // serialized addrinfo:
+        Append<u32_be>(data, 0xBEEFCAFE);                                        // magic
+        Append<u32_be>(data, 0);                                                 // ai_flags
+        Append<u32_be>(data, static_cast<u32>(Translate(addrinfo.family)));      // ai_family
+        Append<u32_be>(data, static_cast<u32>(Translate(addrinfo.socket_type))); // ai_socktype
+        Append<u32_be>(data, static_cast<u32>(Translate(addrinfo.protocol)));    // ai_protocol
+        Append<u32_be>(data, sizeof(SockAddrIn));                                // ai_addrlen
+        // ^ *not* sizeof(SerializedSockAddrIn), not that it matters since they're the same size
 
-        constexpr auto header_size = sizeof(SerializedResponseHeader);
-        const auto addr_size =
-            current->ai_addr && current->ai_addrlen > 0 ? current->ai_addrlen : 4;
-        const auto canonname_size = current->ai_canonname ? strlen(current->ai_canonname) + 1 : 1;
+        // ai_addr:
+        Append<u16_be>(data, static_cast<u16>(Translate(addrinfo.addr.family))); // sin_family
+        // On the Switch, the following fields are passed through htonl despite
+        // already being big-endian, so they end up as little-endian.
+        Append<u16_le>(data, addrinfo.addr.portno);                            // sin_port
+        Append<u32_le>(data, Network::IPv4AddressToInteger(addrinfo.addr.ip)); // sin_addr
+        data.resize(data.size() + 8, 0);                                       // sin_zero
 
-        const auto last_size = data.size();
-        data.resize(last_size + header_size + addr_size + canonname_size);
-
-        // Header in network byte order
-        SerializedResponseHeader header{};
-
-        constexpr auto HEADER_MAGIC = 0xBEEFCAFE;
-        header.magic = htonl(HEADER_MAGIC);
-        header.family = htonl(current->ai_family);
-        header.flags = htonl(current->ai_flags);
-        header.socket_type = htonl(current->ai_socktype);
-        header.protocol = htonl(current->ai_protocol);
-        header.address_length = current->ai_addr ? htonl((u32)current->ai_addrlen) : 0;
-
-        auto* header_ptr = data.data() + last_size;
-        std::memcpy(header_ptr, &header, header_size);
-
-        if (header.address_length == 0) {
-            std::memset(header_ptr + header_size, 0, 4);
+        if (addrinfo.canon_name.has_value()) {
+            AppendNulTerminated(data, *addrinfo.canon_name);
         } else {
-            switch (current->ai_family) {
-            case AF_INET: {
-                struct SockAddrIn {
-                    s16 sin_family;
-                    u16 sin_port;
-                    u32 sin_addr;
-                    u8 sin_zero[8];
-                };
-
-                SockAddrIn serialized_addr{};
-                const auto addr = *reinterpret_cast<sockaddr_in*>(current->ai_addr);
-                serialized_addr.sin_port = htons(addr.sin_port);
-                serialized_addr.sin_family = htons(addr.sin_family);
-                serialized_addr.sin_addr = htonl(addr.sin_addr.s_addr);
-                std::memcpy(header_ptr + header_size, &serialized_addr, sizeof(SockAddrIn));
-
-                char addr_string_buf[64]{};
-                inet_ntop(AF_INET, &addr.sin_addr, addr_string_buf, std::size(addr_string_buf));
-                LOG_INFO(Service, "Resolved host '{}' to IPv4 address {}", host, addr_string_buf);
-                break;
-            }
-            case AF_INET6: {
-                struct SockAddrIn6 {
-                    s16 sin6_family;
-                    u16 sin6_port;
-                    u32 sin6_flowinfo;
-                    u8 sin6_addr[16];
-                    u32 sin6_scope_id;
-                };
-
-                SockAddrIn6 serialized_addr{};
-                const auto addr = *reinterpret_cast<sockaddr_in6*>(current->ai_addr);
-                serialized_addr.sin6_family = htons(addr.sin6_family);
-                serialized_addr.sin6_port = htons(addr.sin6_port);
-                serialized_addr.sin6_flowinfo = htonl(addr.sin6_flowinfo);
-                serialized_addr.sin6_scope_id = htonl(addr.sin6_scope_id);
-                std::memcpy(serialized_addr.sin6_addr, &addr.sin6_addr,
-                            sizeof(SockAddrIn6::sin6_addr));
-                std::memcpy(header_ptr + header_size, &serialized_addr, sizeof(SockAddrIn6));
-
-                char addr_string_buf[64]{};
-                inet_ntop(AF_INET6, &addr.sin6_addr, addr_string_buf, std::size(addr_string_buf));
-                LOG_INFO(Service, "Resolved host '{}' to IPv6 address {}", host, addr_string_buf);
-                break;
-            }
-            default:
-                std::memcpy(header_ptr + header_size, current->ai_addr, addr_size);
-                break;
-            }
-        }
-        if (current->ai_canonname) {
-            std::memcpy(header_ptr + addr_size, current->ai_canonname, canonname_size);
-        } else {
-            *(header_ptr + header_size + addr_size) = 0;
+            data.push_back(0);
         }
 
-        current = current->ai_next;
+        LOG_INFO(Service, "Resolved host '{}' to IPv4 address {}", host,
+                 Network::IPv4AddressToString(addrinfo.addr.ip));
     }
 
-    // 4-byte sentinel value
-    data.push_back(0);
-    data.push_back(0);
-    data.push_back(0);
-    data.push_back(0);
+    data.resize(data.size() + 4, 0); // 4-byte sentinel value
 
     return data;
 }
 
-static std::pair<u32, s32> GetAddrInfoRequestImpl(HLERequestContext& ctx) {
-    struct Parameters {
+static std::pair<u32, GetAddrInfoError> GetAddrInfoRequestImpl(HLERequestContext& ctx) {
+    struct InputParameters {
         u8 use_nsd_resolve;
-        u32 unknown;
+        u32 cancel_handle;
         u64 process_id;
     };
+    static_assert(sizeof(InputParameters) == 0x10);
 
     IPC::RequestParser rp{ctx};
-    const auto parameters = rp.PopRaw<Parameters>();
+    const auto parameters = rp.PopRaw<InputParameters>();
 
-    LOG_WARNING(Service,
-                "called with ignored parameters: use_nsd_resolve={}, unknown={}, process_id={}",
-                parameters.use_nsd_resolve, parameters.unknown, parameters.process_id);
+    LOG_WARNING(
+        Service,
+        "called with ignored parameters: use_nsd_resolve={}, cancel_handle={}, process_id={}",
+        parameters.use_nsd_resolve, parameters.cancel_handle, parameters.process_id);
+
+    // TODO: If use_nsd_resolve is true, pass the name through NSD::Resolve
+    // before looking up.
 
     const auto host_buffer = ctx.ReadBuffer(0);
     const std::string host = Common::StringFromBuffer(host_buffer);
 
-    const auto service_buffer = ctx.ReadBuffer(1);
-    const std::string service = Common::StringFromBuffer(service_buffer);
-
-    addrinfo* addrinfo;
-    // Pass null for hints. Serialized hints are also passed in a buffer, but are ignored for now
-    s32 result_code = getaddrinfo(host.c_str(), service.c_str(), nullptr, &addrinfo);
-
-    u32 data_size = 0;
-    if (result_code == 0 && addrinfo != nullptr) {
-        const std::vector<u8>& data = SerializeAddrInfo(addrinfo, result_code, host);
-        data_size = static_cast<u32>(data.size());
-        freeaddrinfo(addrinfo);
-
-        ctx.WriteBuffer(data, 0);
+    std::optional<std::string> service = std::nullopt;
+    if (ctx.CanReadBuffer(1)) {
+        const std::span<const u8> service_buffer = ctx.ReadBuffer(1);
+        service = Common::StringFromBuffer(service_buffer);
     }
 
-    return std::make_pair(data_size, result_code);
+    // Serialized hints are also passed in a buffer, but are ignored for now.
+
+    auto res = Network::GetAddressInfo(host, service);
+    if (!res.has_value()) {
+        return {0, Translate(res.error())};
+    }
+
+    const std::vector<u8> data = SerializeAddrInfo(res.value(), host);
+    const u32 data_size = static_cast<u32>(data.size());
+    ctx.WriteBuffer(data, 0);
+
+    return {data_size, GetAddrInfoError::SUCCESS};
 }
 
 void SFDNSRES::GetAddrInfoRequest(HLERequestContext& ctx) {
-    auto [data_size, result_code] = GetAddrInfoRequestImpl(ctx);
+    auto [data_size, emu_gai_err] = GetAddrInfoRequestImpl(ctx);
 
-    IPC::ResponseBuilder rb{ctx, 4};
+    struct OutputParameters {
+        Errno bsd_errno;
+        GetAddrInfoError gai_error;
+        u32 data_size;
+    };
+    static_assert(sizeof(OutputParameters) == 0xc);
+
+    IPC::ResponseBuilder rb{ctx, 5};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(OutputParameters{
+        .bsd_errno = GetAddrInfoErrorToErrno(emu_gai_err),
+        .gai_error = emu_gai_err,
+        .data_size = data_size,
+    });
+}
+
+void SFDNSRES::GetGaiStringErrorRequest(HLERequestContext& ctx) {
+    struct InputParameters {
+        GetAddrInfoError gai_errno;
+    };
+    IPC::RequestParser rp{ctx};
+    auto input = rp.PopRaw<InputParameters>();
+
+    const std::string result = Translate(input.gai_errno);
+    ctx.WriteBuffer(result);
+
+    IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
-    rb.Push(static_cast<s32>(AddrInfoErrorToNetDbError(result_code))); // NetDBErrorCode
-    rb.Push(result_code);                                              // errno
-    rb.Push(data_size);                                                // serialized size
 }
 
 void SFDNSRES::GetAddrInfoRequestWithOptions(HLERequestContext& ctx) {
     // Additional options are ignored
-    auto [data_size, result_code] = GetAddrInfoRequestImpl(ctx);
+    auto [data_size, emu_gai_err] = GetAddrInfoRequestImpl(ctx);
 
-    IPC::ResponseBuilder rb{ctx, 5};
+    struct OutputParameters {
+        u32 data_size;
+        GetAddrInfoError gai_error;
+        NetDbError netdb_error;
+        Errno bsd_errno;
+    };
+    static_assert(sizeof(OutputParameters) == 0x10);
+
+    IPC::ResponseBuilder rb{ctx, 6};
     rb.Push(ResultSuccess);
-    rb.Push(data_size);                                                // serialized size
-    rb.Push(result_code);                                              // errno
-    rb.Push(static_cast<s32>(AddrInfoErrorToNetDbError(result_code))); // NetDBErrorCode
-    rb.Push(0);
+    rb.PushRaw(OutputParameters{
+        .data_size = data_size,
+        .gai_error = emu_gai_err,
+        .netdb_error = GetAddrInfoErrorToNetDbError(emu_gai_err),
+        .bsd_errno = GetAddrInfoErrorToErrno(emu_gai_err),
+    });
+}
+
+void SFDNSRES::ResolverSetOptionRequest(HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+
+    rb.Push(ResultSuccess);
+    rb.Push<s32>(0); // bsd errno
 }
 
 } // namespace Service::Sockets

src/core/hle/service/sockets/sfdnsres.h

@@ -17,8 +17,12 @@ public:
     ~SFDNSRES() override;
 
 private:
+    void GetHostByNameRequest(HLERequestContext& ctx);
+    void GetGaiStringErrorRequest(HLERequestContext& ctx);
+    void GetHostByNameRequestWithOptions(HLERequestContext& ctx);
     void GetAddrInfoRequest(HLERequestContext& ctx);
     void GetAddrInfoRequestWithOptions(HLERequestContext& ctx);
+    void ResolverSetOptionRequest(HLERequestContext& ctx);
 };
 
 } // namespace Service::Sockets

src/core/hle/service/sockets/sockets.h

@@ -22,13 +22,35 @@ enum class Errno : u32 {
     CONNRESET = 104,
     NOTCONN = 107,
     TIMEDOUT = 110,
+    INPROGRESS = 115,
+};
+
+enum class GetAddrInfoError : s32 {
+    SUCCESS = 0,
+    ADDRFAMILY = 1,
+    AGAIN = 2,
+    BADFLAGS = 3,
+    FAIL = 4,
+    FAMILY = 5,
+    MEMORY = 6,
+    NODATA = 7,
+    NONAME = 8,
+    SERVICE = 9,
+    SOCKTYPE = 10,
+    SYSTEM = 11,
+    BADHINTS = 12,
+    PROTOCOL = 13,
+    OVERFLOW_ = 14, // avoid name collision with Windows macro
+    OTHER = 15,
 };
 
 enum class Domain : u32 {
+    Unspecified = 0,
     INET = 2,
 };
 
 enum class Type : u32 {
+    Unspecified = 0,
     STREAM = 1,
     DGRAM = 2,
     RAW = 3,
@@ -36,12 +58,16 @@ enum class Type : u32 {
 };
 
 enum class Protocol : u32 {
-    UNSPECIFIED = 0,
+    Unspecified = 0,
     ICMP = 1,
     TCP = 6,
     UDP = 17,
 };
 
+enum class SocketLevel : u32 {
+    SOCKET = 0xffff, // i.e. SOL_SOCKET
+};
+
 enum class OptName : u32 {
     REUSEADDR = 0x4,
     KEEPALIVE = 0x8,
@@ -51,6 +77,8 @@ enum class OptName : u32 {
     RCVBUF = 0x1002,
     SNDTIMEO = 0x1005,
     RCVTIMEO = 0x1006,
+    ERROR_ = 0x1007,   // avoid name collision with Windows macro
+    NOSIGPIPE = 0x800, // at least according to libnx
 };
 
 enum class ShutdownHow : s32 {
@@ -80,6 +108,9 @@ enum class PollEvents : u16 {
     Err = 1 << 3,
     Hup = 1 << 4,
     Nval = 1 << 5,
+    RdNorm = 1 << 6,
+    RdBand = 1 << 7,
+    WrBand = 1 << 8,
 };
 
 DECLARE_ENUM_FLAG_OPERATORS(PollEvents);

src/core/hle/service/sockets/sockets_translate.cpp

@@ -29,6 +29,8 @@ Errno Translate(Network::Errno value) {
         return Errno::TIMEDOUT;
     case Network::Errno::CONNRESET:
         return Errno::CONNRESET;
+    case Network::Errno::INPROGRESS:
+        return Errno::INPROGRESS;
     default:
         UNIMPLEMENTED_MSG("Unimplemented errno={}", value);
         return Errno::SUCCESS;
@@ -39,8 +41,88 @@ std::pair<s32, Errno> Translate(std::pair<s32, Network::Errno> value) {
     return {value.first, Translate(value.second)};
 }
 
+GetAddrInfoError Translate(Network::GetAddrInfoError error) {
+    switch (error) {
+    case Network::GetAddrInfoError::SUCCESS:
+        return GetAddrInfoError::SUCCESS;
+    case Network::GetAddrInfoError::ADDRFAMILY:
+        return GetAddrInfoError::ADDRFAMILY;
+    case Network::GetAddrInfoError::AGAIN:
+        return GetAddrInfoError::AGAIN;
+    case Network::GetAddrInfoError::BADFLAGS:
+        return GetAddrInfoError::BADFLAGS;
+    case Network::GetAddrInfoError::FAIL:
+        return GetAddrInfoError::FAIL;
+    case Network::GetAddrInfoError::FAMILY:
+        return GetAddrInfoError::FAMILY;
+    case Network::GetAddrInfoError::MEMORY:
+        return GetAddrInfoError::MEMORY;
+    case Network::GetAddrInfoError::NODATA:
+        return GetAddrInfoError::NODATA;
+    case Network::GetAddrInfoError::NONAME:
+        return GetAddrInfoError::NONAME;
+    case Network::GetAddrInfoError::SERVICE:
+        return GetAddrInfoError::SERVICE;
+    case Network::GetAddrInfoError::SOCKTYPE:
+        return GetAddrInfoError::SOCKTYPE;
+    case Network::GetAddrInfoError::SYSTEM:
+        return GetAddrInfoError::SYSTEM;
+    case Network::GetAddrInfoError::BADHINTS:
+        return GetAddrInfoError::BADHINTS;
+    case Network::GetAddrInfoError::PROTOCOL:
+        return GetAddrInfoError::PROTOCOL;
+    case Network::GetAddrInfoError::OVERFLOW_:
+        return GetAddrInfoError::OVERFLOW_;
+    case Network::GetAddrInfoError::OTHER:
+        return GetAddrInfoError::OTHER;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented GetAddrInfoError={}", error);
+        return GetAddrInfoError::OTHER;
+    }
+}
+
+const char* Translate(GetAddrInfoError error) {
+    // https://android.googlesource.com/platform/bionic/+/085543106/libc/dns/net/getaddrinfo.c#254
+    switch (error) {
+    case GetAddrInfoError::SUCCESS:
+        return "Success";
+    case GetAddrInfoError::ADDRFAMILY:
+        return "Address family for hostname not supported";
+    case GetAddrInfoError::AGAIN:
+        return "Temporary failure in name resolution";
+    case GetAddrInfoError::BADFLAGS:
+        return "Invalid value for ai_flags";
+    case GetAddrInfoError::FAIL:
+        return "Non-recoverable failure in name resolution";
+    case GetAddrInfoError::FAMILY:
+        return "ai_family not supported";
+    case GetAddrInfoError::MEMORY:
+        return "Memory allocation failure";
+    case GetAddrInfoError::NODATA:
+        return "No address associated with hostname";
+    case GetAddrInfoError::NONAME:
+        return "hostname nor servname provided, or not known";
+    case GetAddrInfoError::SERVICE:
+        return "servname not supported for ai_socktype";
+    case GetAddrInfoError::SOCKTYPE:
+        return "ai_socktype not supported";
+    case GetAddrInfoError::SYSTEM:
+        return "System error returned in errno";
+    case GetAddrInfoError::BADHINTS:
+        return "Invalid value for hints";
+    case GetAddrInfoError::PROTOCOL:
+        return "Resolved protocol is unknown";
+    case GetAddrInfoError::OVERFLOW_:
+        return "Argument buffer overflow";
+    default:
+        return "Unknown error";
+    }
+}
+
 Network::Domain Translate(Domain domain) {
     switch (domain) {
+    case Domain::Unspecified:
+        return Network::Domain::Unspecified;
     case Domain::INET:
         return Network::Domain::INET;
     default:
@@ -51,6 +133,8 @@ Network::Domain Translate(Domain domain) {
 
 Domain Translate(Network::Domain domain) {
     switch (domain) {
+    case Network::Domain::Unspecified:
+        return Domain::Unspecified;
     case Network::Domain::INET:
         return Domain::INET;
     default:
@@ -61,39 +145,69 @@ Domain Translate(Network::Domain domain) {
 
 Network::Type Translate(Type type) {
     switch (type) {
+    case Type::Unspecified:
+        return Network::Type::Unspecified;
     case Type::STREAM:
         return Network::Type::STREAM;
     case Type::DGRAM:
         return Network::Type::DGRAM;
+    case Type::RAW:
+        return Network::Type::RAW;
+    case Type::SEQPACKET:
+        return Network::Type::SEQPACKET;
     default:
         UNIMPLEMENTED_MSG("Unimplemented type={}", type);
         return Network::Type{};
     }
 }
 
-Network::Protocol Translate(Type type, Protocol protocol) {
+Type Translate(Network::Type type) {
+    switch (type) {
+    case Network::Type::Unspecified:
+        return Type::Unspecified;
+    case Network::Type::STREAM:
+        return Type::STREAM;
+    case Network::Type::DGRAM:
+        return Type::DGRAM;
+    case Network::Type::RAW:
+        return Type::RAW;
+    case Network::Type::SEQPACKET:
+        return Type::SEQPACKET;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented type={}", type);
+        return Type{};
+    }
+}
+
+Network::Protocol Translate(Protocol protocol) {
     switch (protocol) {
-    case Protocol::UNSPECIFIED:
-        LOG_WARNING(Service, "Unspecified protocol, assuming protocol from type");
-        switch (type) {
-        case Type::DGRAM:
-            return Network::Protocol::UDP;
-        case Type::STREAM:
-            return Network::Protocol::TCP;
-        default:
-            return Network::Protocol::TCP;
-        }
+    case Protocol::Unspecified:
+        return Network::Protocol::Unspecified;
     case Protocol::TCP:
         return Network::Protocol::TCP;
     case Protocol::UDP:
         return Network::Protocol::UDP;
     default:
         UNIMPLEMENTED_MSG("Unimplemented protocol={}", protocol);
-        return Network::Protocol::TCP;
+        return Network::Protocol::Unspecified;
     }
 }
 
-Network::PollEvents TranslatePollEventsToHost(PollEvents flags) {
+Protocol Translate(Network::Protocol protocol) {
+    switch (protocol) {
+    case Network::Protocol::Unspecified:
+        return Protocol::Unspecified;
+    case Network::Protocol::TCP:
+        return Protocol::TCP;
+    case Network::Protocol::UDP:
+        return Protocol::UDP;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented protocol={}", protocol);
+        return Protocol::Unspecified;
+    }
+}
+
+Network::PollEvents Translate(PollEvents flags) {
     Network::PollEvents result{};
     const auto translate = [&result, &flags](PollEvents from, Network::PollEvents to) {
         if (True(flags & from)) {
@@ -107,12 +221,15 @@ Network::PollEvents TranslatePollEventsToHost(PollEvents flags) {
     translate(PollEvents::Err, Network::PollEvents::Err);
     translate(PollEvents::Hup, Network::PollEvents::Hup);
     translate(PollEvents::Nval, Network::PollEvents::Nval);
+    translate(PollEvents::RdNorm, Network::PollEvents::RdNorm);
+    translate(PollEvents::RdBand, Network::PollEvents::RdBand);
+    translate(PollEvents::WrBand, Network::PollEvents::WrBand);
 
     UNIMPLEMENTED_IF_MSG((u16)flags != 0, "Unimplemented flags={}", (u16)flags);
     return result;
 }
 
-PollEvents TranslatePollEventsToGuest(Network::PollEvents flags) {
+PollEvents Translate(Network::PollEvents flags) {
     PollEvents result{};
     const auto translate = [&result, &flags](Network::PollEvents from, PollEvents to) {
         if (True(flags & from)) {
@@ -127,13 +244,18 @@ PollEvents TranslatePollEventsToGuest(Network::PollEvents flags) {
     translate(Network::PollEvents::Err, PollEvents::Err);
     translate(Network::PollEvents::Hup, PollEvents::Hup);
     translate(Network::PollEvents::Nval, PollEvents::Nval);
+    translate(Network::PollEvents::RdNorm, PollEvents::RdNorm);
+    translate(Network::PollEvents::RdBand, PollEvents::RdBand);
+    translate(Network::PollEvents::WrBand, PollEvents::WrBand);
 
     UNIMPLEMENTED_IF_MSG((u16)flags != 0, "Unimplemented flags={}", (u16)flags);
     return result;
 }
 
 Network::SockAddrIn Translate(SockAddrIn value) {
-    ASSERT(value.len == 0 || value.len == sizeof(value));
+    // Note: 6 is incorrect, but can be passed by homebrew (because libnx sets
+    // sin_len to 6 when deserializing getaddrinfo results).
+    ASSERT(value.len == 0 || value.len == sizeof(value) || value.len == 6);
 
     return {
         .family = Translate(static_cast<Domain>(value.family)),

src/core/hle/service/sockets/sockets_translate.h

@@ -17,6 +17,12 @@ Errno Translate(Network::Errno value);
 /// Translate abstract return value errno pair to guest return value errno pair
 std::pair<s32, Errno> Translate(std::pair<s32, Network::Errno> value);
 
+/// Translate abstract getaddrinfo error to guest getaddrinfo error
+GetAddrInfoError Translate(Network::GetAddrInfoError value);
+
+/// Translate guest error to string
+const char* Translate(GetAddrInfoError value);
+
 /// Translate guest domain to abstract domain
 Network::Domain Translate(Domain domain);
 
@@ -26,14 +32,20 @@ Domain Translate(Network::Domain domain);
 /// Translate guest type to abstract type
 Network::Type Translate(Type type);
 
-/// Translate guest protocol to abstract protocol
-Network::Protocol Translate(Type type, Protocol protocol);
+/// Translate abstract type to guest type
+Type Translate(Network::Type type);
 
-/// Translate abstract poll event flags to guest poll event flags
-Network::PollEvents TranslatePollEventsToHost(PollEvents flags);
+/// Translate guest protocol to abstract protocol
+Network::Protocol Translate(Protocol protocol);
+
+/// Translate abstract protocol to guest protocol
+Protocol Translate(Network::Protocol protocol);
 
 /// Translate guest poll event flags to abstract poll event flags
-PollEvents TranslatePollEventsToGuest(Network::PollEvents flags);
+Network::PollEvents Translate(PollEvents flags);
+
+/// Translate abstract poll event flags to guest poll event flags
+PollEvents Translate(Network::PollEvents flags);
 
 /// Translate guest socket address structure to abstract socket address structure
 Network::SockAddrIn Translate(SockAddrIn value);

src/core/hle/service/ssl/ssl.cpp

@@ -1,10 +1,18 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "common/string_util.h"
+
+#include "core/core.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/sm/sm.h"
+#include "core/hle/service/sockets/bsd.h"
 #include "core/hle/service/ssl/ssl.h"
+#include "core/hle/service/ssl/ssl_backend.h"
+#include "core/internal_network/network.h"
+#include "core/internal_network/sockets.h"
 
 namespace Service::SSL {
 
@@ -20,6 +28,18 @@ enum class ContextOption : u32 {
     CrlImportDateCheckEnable = 1,
 };
 
+// This is nn::ssl::Connection::IoMode
+enum class IoMode : u32 {
+    Blocking = 1,
+    NonBlocking = 2,
+};
+
+// This is nn::ssl::sf::OptionType
+enum class OptionType : u32 {
+    DoNotCloseSocket = 0,
+    GetServerCertChain = 1,
+};
+
 // This is nn::ssl::sf::SslVersion
 struct SslVersion {
     union {
@@ -34,35 +54,42 @@ struct SslVersion {
     };
 };
 
+struct SslContextSharedData {
+    u32 connection_count = 0;
+};
+
 class ISslConnection final : public ServiceFramework<ISslConnection> {
 public:
-    explicit ISslConnection(Core::System& system_, SslVersion version)
-        : ServiceFramework{system_, "ISslConnection"}, ssl_version{version} {
+    explicit ISslConnection(Core::System& system_in, SslVersion ssl_version_in,
+                            std::shared_ptr<SslContextSharedData>& shared_data_in,
+                            std::unique_ptr<SSLConnectionBackend>&& backend_in)
+        : ServiceFramework{system_in, "ISslConnection"}, ssl_version{ssl_version_in},
+          shared_data{shared_data_in}, backend{std::move(backend_in)} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, nullptr, "SetSocketDescriptor"},
-            {1, nullptr, "SetHostName"},
-            {2, nullptr, "SetVerifyOption"},
-            {3, nullptr, "SetIoMode"},
+            {0, &ISslConnection::SetSocketDescriptor, "SetSocketDescriptor"},
+            {1, &ISslConnection::SetHostName, "SetHostName"},
+            {2, &ISslConnection::SetVerifyOption, "SetVerifyOption"},
+            {3, &ISslConnection::SetIoMode, "SetIoMode"},
             {4, nullptr, "GetSocketDescriptor"},
             {5, nullptr, "GetHostName"},
             {6, nullptr, "GetVerifyOption"},
             {7, nullptr, "GetIoMode"},
-            {8, nullptr, "DoHandshake"},
-            {9, nullptr, "DoHandshakeGetServerCert"},
-            {10, nullptr, "Read"},
-            {11, nullptr, "Write"},
-            {12, nullptr, "Pending"},
+            {8, &ISslConnection::DoHandshake, "DoHandshake"},
+            {9, &ISslConnection::DoHandshakeGetServerCert, "DoHandshakeGetServerCert"},
+            {10, &ISslConnection::Read, "Read"},
+            {11, &ISslConnection::Write, "Write"},
+            {12, &ISslConnection::Pending, "Pending"},
             {13, nullptr, "Peek"},
             {14, nullptr, "Poll"},
             {15, nullptr, "GetVerifyCertError"},
             {16, nullptr, "GetNeededServerCertBufferSize"},
-            {17, nullptr, "SetSessionCacheMode"},
+            {17, &ISslConnection::SetSessionCacheMode, "SetSessionCacheMode"},
             {18, nullptr, "GetSessionCacheMode"},
             {19, nullptr, "FlushSessionCache"},
             {20, nullptr, "SetRenegotiationMode"},
             {21, nullptr, "GetRenegotiationMode"},
-            {22, nullptr, "SetOption"},
+            {22, &ISslConnection::SetOption, "SetOption"},
             {23, nullptr, "GetOption"},
             {24, nullptr, "GetVerifyCertErrors"},
             {25, nullptr, "GetCipherInfo"},
@@ -80,21 +107,299 @@ public:
         // clang-format on
 
         RegisterHandlers(functions);
+
+        shared_data->connection_count++;
+    }
+
+    ~ISslConnection() {
+        shared_data->connection_count--;
+        if (fd_to_close.has_value()) {
+            const s32 fd = *fd_to_close;
+            if (!do_not_close_socket) {
+                LOG_ERROR(Service_SSL,
+                          "do_not_close_socket was changed after setting socket; is this right?");
+            } else {
+                auto bsd = system.ServiceManager().GetService<Service::Sockets::BSD>("bsd:u");
+                if (bsd) {
+                    auto err = bsd->CloseImpl(fd);
+                    if (err != Service::Sockets::Errno::SUCCESS) {
+                        LOG_ERROR(Service_SSL, "Failed to close duplicated socket: {}", err);
+                    }
+                }
+            }
+        }
     }
 
 private:
     SslVersion ssl_version;
+    std::shared_ptr<SslContextSharedData> shared_data;
+    std::unique_ptr<SSLConnectionBackend> backend;
+    std::optional<int> fd_to_close;
+    bool do_not_close_socket = false;
+    bool get_server_cert_chain = false;
+    std::shared_ptr<Network::SocketBase> socket;
+    bool did_set_host_name = false;
+    bool did_handshake = false;
+
+    ResultVal<s32> SetSocketDescriptorImpl(s32 fd) {
+        LOG_DEBUG(Service_SSL, "called, fd={}", fd);
+        ASSERT(!did_handshake);
+        auto bsd = system.ServiceManager().GetService<Service::Sockets::BSD>("bsd:u");
+        ASSERT_OR_EXECUTE(bsd, { return ResultInternalError; });
+        s32 ret_fd;
+        // Based on https://switchbrew.org/wiki/SSL_services#SetSocketDescriptor
+        if (do_not_close_socket) {
+            auto res = bsd->DuplicateSocketImpl(fd);
+            if (!res.has_value()) {
+                LOG_ERROR(Service_SSL, "Failed to duplicate socket with fd {}", fd);
+                return ResultInvalidSocket;
+            }
+            fd = *res;
+            fd_to_close = fd;
+            ret_fd = fd;
+        } else {
+            ret_fd = -1;
+        }
+        std::optional<std::shared_ptr<Network::SocketBase>> sock = bsd->GetSocket(fd);
+        if (!sock.has_value()) {
+            LOG_ERROR(Service_SSL, "invalid socket fd {}", fd);
+            return ResultInvalidSocket;
+        }
+        socket = std::move(*sock);
+        backend->SetSocket(socket);
+        return ret_fd;
+    }
+
+    Result SetHostNameImpl(const std::string& hostname) {
+        LOG_DEBUG(Service_SSL, "called. hostname={}", hostname);
+        ASSERT(!did_handshake);
+        Result res = backend->SetHostName(hostname);
+        if (res == ResultSuccess) {
+            did_set_host_name = true;
+        }
+        return res;
+    }
+
+    Result SetVerifyOptionImpl(u32 option) {
+        ASSERT(!did_handshake);
+        LOG_WARNING(Service_SSL, "(STUBBED) called. option={}", option);
+        return ResultSuccess;
+    }
+
+    Result SetIoModeImpl(u32 input_mode) {
+        auto mode = static_cast<IoMode>(input_mode);
+        ASSERT(mode == IoMode::Blocking || mode == IoMode::NonBlocking);
+        ASSERT_OR_EXECUTE(socket, { return ResultNoSocket; });
+
+        const bool non_block = mode == IoMode::NonBlocking;
+        const Network::Errno error = socket->SetNonBlock(non_block);
+        if (error != Network::Errno::SUCCESS) {
+            LOG_ERROR(Service_SSL, "Failed to set native socket non-block flag to {}", non_block);
+        }
+        return ResultSuccess;
+    }
+
+    Result SetSessionCacheModeImpl(u32 mode) {
+        ASSERT(!did_handshake);
+        LOG_WARNING(Service_SSL, "(STUBBED) called. value={}", mode);
+        return ResultSuccess;
+    }
+
+    Result DoHandshakeImpl() {
+        ASSERT_OR_EXECUTE(!did_handshake && socket, { return ResultNoSocket; });
+        ASSERT_OR_EXECUTE_MSG(
+            did_set_host_name, { return ResultInternalError; },
+            "Expected SetHostName before DoHandshake");
+        Result res = backend->DoHandshake();
+        did_handshake = res.IsSuccess();
+        return res;
+    }
+
+    std::vector<u8> SerializeServerCerts(const std::vector<std::vector<u8>>& certs) {
+        struct Header {
+            u64 magic;
+            u32 count;
+            u32 pad;
+        };
+        struct EntryHeader {
+            u32 size;
+            u32 offset;
+        };
+        if (!get_server_cert_chain) {
+            // Just return the first one, unencoded.
+            ASSERT_OR_EXECUTE_MSG(
+                !certs.empty(), { return {}; }, "Should be at least one server cert");
+            return certs[0];
+        }
+        std::vector<u8> ret;
+        Header header{0x4E4D684374726543, static_cast<u32>(certs.size()), 0};
+        ret.insert(ret.end(), reinterpret_cast<u8*>(&header), reinterpret_cast<u8*>(&header + 1));
+        size_t data_offset = sizeof(Header) + certs.size() * sizeof(EntryHeader);
+        for (auto& cert : certs) {
+            EntryHeader entry_header{static_cast<u32>(cert.size()), static_cast<u32>(data_offset)};
+            data_offset += cert.size();
+            ret.insert(ret.end(), reinterpret_cast<u8*>(&entry_header),
+                       reinterpret_cast<u8*>(&entry_header + 1));
+        }
+        for (auto& cert : certs) {
+            ret.insert(ret.end(), cert.begin(), cert.end());
+        }
+        return ret;
+    }
+
+    ResultVal<std::vector<u8>> ReadImpl(size_t size) {
+        ASSERT_OR_EXECUTE(did_handshake, { return ResultInternalError; });
+        std::vector<u8> res(size);
+        ResultVal<size_t> actual = backend->Read(res);
+        if (actual.Failed()) {
+            return actual.Code();
+        }
+        res.resize(*actual);
+        return res;
+    }
+
+    ResultVal<size_t> WriteImpl(std::span<const u8> data) {
+        ASSERT_OR_EXECUTE(did_handshake, { return ResultInternalError; });
+        return backend->Write(data);
+    }
+
+    ResultVal<s32> PendingImpl() {
+        LOG_WARNING(Service_SSL, "(STUBBED) called.");
+        return 0;
+    }
+
+    void SetSocketDescriptor(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const s32 fd = rp.Pop<s32>();
+        const ResultVal<s32> res = SetSocketDescriptorImpl(fd);
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(res.Code());
+        rb.Push<s32>(res.ValueOr(-1));
+    }
+
+    void SetHostName(HLERequestContext& ctx) {
+        const std::string hostname = Common::StringFromBuffer(ctx.ReadBuffer());
+        const Result res = SetHostNameImpl(hostname);
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res);
+    }
+
+    void SetVerifyOption(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const u32 option = rp.Pop<u32>();
+        const Result res = SetVerifyOptionImpl(option);
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res);
+    }
+
+    void SetIoMode(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const u32 mode = rp.Pop<u32>();
+        const Result res = SetIoModeImpl(mode);
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res);
+    }
+
+    void DoHandshake(HLERequestContext& ctx) {
+        const Result res = DoHandshakeImpl();
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res);
+    }
+
+    void DoHandshakeGetServerCert(HLERequestContext& ctx) {
+        struct OutputParameters {
+            u32 certs_size;
+            u32 certs_count;
+        };
+        static_assert(sizeof(OutputParameters) == 0x8);
+
+        const Result res = DoHandshakeImpl();
+        OutputParameters out{};
+        if (res == ResultSuccess) {
+            auto certs = backend->GetServerCerts();
+            if (certs.Succeeded()) {
+                const std::vector<u8> certs_buf = SerializeServerCerts(*certs);
+                ctx.WriteBuffer(certs_buf);
+                out.certs_count = static_cast<u32>(certs->size());
+                out.certs_size = static_cast<u32>(certs_buf.size());
+            }
+        }
+        IPC::ResponseBuilder rb{ctx, 4};
+        rb.Push(res);
+        rb.PushRaw(out);
+    }
+
+    void Read(HLERequestContext& ctx) {
+        const ResultVal<std::vector<u8>> res = ReadImpl(ctx.GetWriteBufferSize());
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(res.Code());
+        if (res.Succeeded()) {
+            rb.Push(static_cast<u32>(res->size()));
+            ctx.WriteBuffer(*res);
+        } else {
+            rb.Push(static_cast<u32>(0));
+        }
+    }
+
+    void Write(HLERequestContext& ctx) {
+        const ResultVal<size_t> res = WriteImpl(ctx.ReadBuffer());
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(res.Code());
+        rb.Push(static_cast<u32>(res.ValueOr(0)));
+    }
+
+    void Pending(HLERequestContext& ctx) {
+        const ResultVal<s32> res = PendingImpl();
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(res.Code());
+        rb.Push<s32>(res.ValueOr(0));
+    }
+
+    void SetSessionCacheMode(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const u32 mode = rp.Pop<u32>();
+        const Result res = SetSessionCacheModeImpl(mode);
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res);
+    }
+
+    void SetOption(HLERequestContext& ctx) {
+        struct Parameters {
+            OptionType option;
+            s32 value;
+        };
+        static_assert(sizeof(Parameters) == 0x8, "Parameters is an invalid size");
+
+        IPC::RequestParser rp{ctx};
+        const auto parameters = rp.PopRaw<Parameters>();
+
+        switch (parameters.option) {
+        case OptionType::DoNotCloseSocket:
+            do_not_close_socket = static_cast<bool>(parameters.value);
+            break;
+        case OptionType::GetServerCertChain:
+            get_server_cert_chain = static_cast<bool>(parameters.value);
+            break;
+        default:
+            LOG_WARNING(Service_SSL, "Unknown option={}, value={}", parameters.option,
+                        parameters.value);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
 };
 
 class ISslContext final : public ServiceFramework<ISslContext> {
 public:
     explicit ISslContext(Core::System& system_, SslVersion version)
-        : ServiceFramework{system_, "ISslContext"}, ssl_version{version} {
+        : ServiceFramework{system_, "ISslContext"}, ssl_version{version},
+          shared_data{std::make_shared<SslContextSharedData>()} {
         static const FunctionInfo functions[] = {
             {0, &ISslContext::SetOption, "SetOption"},
             {1, nullptr, "GetOption"},
             {2, &ISslContext::CreateConnection, "CreateConnection"},
-            {3, nullptr, "GetConnectionCount"},
+            {3, &ISslContext::GetConnectionCount, "GetConnectionCount"},
             {4, &ISslContext::ImportServerPki, "ImportServerPki"},
             {5, &ISslContext::ImportClientPki, "ImportClientPki"},
             {6, nullptr, "RemoveServerPki"},
@@ -111,6 +416,7 @@ public:
 
 private:
     SslVersion ssl_version;
+    std::shared_ptr<SslContextSharedData> shared_data;
 
     void SetOption(HLERequestContext& ctx) {
         struct Parameters {
@@ -130,11 +436,24 @@ private:
     }
 
     void CreateConnection(HLERequestContext& ctx) {
-        LOG_WARNING(Service_SSL, "(STUBBED) called");
+        LOG_WARNING(Service_SSL, "called");
+
+        auto backend_res = CreateSSLConnectionBackend();
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+        rb.Push(backend_res.Code());
+        if (backend_res.Succeeded()) {
+            rb.PushIpcInterface<ISslConnection>(system, ssl_version, shared_data,
+                                                std::move(*backend_res));
+        }
+    }
+
+    void GetConnectionCount(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_SSL, "connection_count={}", shared_data->connection_count);
+
+        IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
-        rb.PushIpcInterface<ISslConnection>(system, ssl_version);
+        rb.Push(shared_data->connection_count);
     }
 
     void ImportServerPki(HLERequestContext& ctx) {

src/core/hle/service/ssl/ssl_backend.h

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+#include <span>
+#include <string>
+#include <vector>
+
+#include "common/common_types.h"
+
+#include "core/hle/result.h"
+
+namespace Network {
+class SocketBase;
+}
+
+namespace Service::SSL {
+
+constexpr Result ResultNoSocket{ErrorModule::SSLSrv, 103};
+constexpr Result ResultInvalidSocket{ErrorModule::SSLSrv, 106};
+constexpr Result ResultTimeout{ErrorModule::SSLSrv, 205};
+constexpr Result ResultInternalError{ErrorModule::SSLSrv, 999}; // made up
+
+// ResultWouldBlock is returned from Read and Write, and oddly, DoHandshake,
+// with no way in the latter case to distinguish whether the client should poll
+// for read or write.  The one official client I've seen handles this by always
+// polling for read (with a timeout).
+constexpr Result ResultWouldBlock{ErrorModule::SSLSrv, 204};
+
+class SSLConnectionBackend {
+public:
+    virtual ~SSLConnectionBackend() {}
+    virtual void SetSocket(std::shared_ptr<Network::SocketBase> socket) = 0;
+    virtual Result SetHostName(const std::string& hostname) = 0;
+    virtual Result DoHandshake() = 0;
+    virtual ResultVal<size_t> Read(std::span<u8> data) = 0;
+    virtual ResultVal<size_t> Write(std::span<const u8> data) = 0;
+    virtual ResultVal<std::vector<std::vector<u8>>> GetServerCerts() = 0;
+};
+
+ResultVal<std::unique_ptr<SSLConnectionBackend>> CreateSSLConnectionBackend();
+
+} // namespace Service::SSL

src/core/hle/service/ssl/ssl_backend_none.cpp

@@ -0,0 +1,16 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+
+#include "core/hle/service/ssl/ssl_backend.h"
+
+namespace Service::SSL {
+
+ResultVal<std::unique_ptr<SSLConnectionBackend>> CreateSSLConnectionBackend() {
+    LOG_ERROR(Service_SSL,
+              "Can't create SSL connection because no SSL backend is available on this platform");
+    return ResultInternalError;
+}
+
+} // namespace Service::SSL