[tma2] [Ongoing] Continue implementing modules for tma2. (#1388)

* cs: add stub sysmodule to host command shell server

* cs: implement logic for main (linker error paradise, for now)

* cs: implement more of the system module's skeleton

* htcs: update client type names for libnx pr merge

libraries/libstratosphere/include/stratosphere.hpp

@@ -45,6 +45,7 @@
 #include <stratosphere/capsrv.hpp>
 #include <stratosphere/cfg.hpp>
 #include <stratosphere/clkrst.hpp>
+#include <stratosphere/cs.hpp>
 #include <stratosphere/ddsf.hpp>
 #include <stratosphere/dmnt.hpp>
 #include <stratosphere/erpt.hpp>
@@ -77,6 +78,7 @@
 #include <stratosphere/regulator.hpp>
 #include <stratosphere/ro.hpp>
 #include <stratosphere/settings.hpp>
+#include <stratosphere/scs.hpp>
 #include <stratosphere/sf.hpp>
 #include <stratosphere/sm.hpp>
 #include <stratosphere/socket.hpp>

libraries/libstratosphere/include/stratosphere/ams/impl/ams_system_thread_definitions.hpp

@@ -144,6 +144,19 @@ namespace ams::impl {
 
     AMS_DEFINE_SYSTEM_THREAD(10, tma, BridgePcieDriver);
 
+    /* cs/scs. */
+    AMS_DEFINE_SYSTEM_THREAD(20, cs, Main);
+    AMS_DEFINE_SYSTEM_THREAD(20, cs, HidctlService);
+    AMS_DEFINE_SYSTEM_THREAD(20, cs, HidctlLegacyServer);
+    AMS_DEFINE_SYSTEM_THREAD(20, cs, AudioServer);
+    AMS_DEFINE_SYSTEM_THREAD(10, cs, GrcVideoSender);
+    AMS_DEFINE_SYSTEM_THREAD(10, cs, GrcVideoReader);
+    AMS_DEFINE_SYSTEM_THREAD(10, cs, GrcAudioSender);
+    AMS_DEFINE_SYSTEM_THREAD(10, cs, GrcAudioReader);
+
+    AMS_DEFINE_SYSTEM_THREAD(21, scs, ShellServer);
+    AMS_DEFINE_SYSTEM_THREAD(21, scs, ShellEventHandler);
+
     /* DevServer/TioServer. */
     AMS_DEFINE_SYSTEM_THREAD(21, TioServer, Main);
     AMS_DEFINE_SYSTEM_THREAD(21, TioServer, FileServerHtcsServer);

libraries/libstratosphere/include/stratosphere/cs.hpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <stratosphere/cs/cs_audio_server.hpp>
+#include <stratosphere/cs/cs_hid_server.hpp>
+#include <stratosphere/cs/cs_remote_video_server.hpp>
+#include <stratosphere/cs/cs_target_io_server.hpp>
+
+#include <stratosphere/cs/cs_command_processor.hpp>

libraries/libstratosphere/include/stratosphere/cs/cs_audio_server.hpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::cs {
+
+    void InitializeAudioServer();
+
+}

libraries/libstratosphere/include/stratosphere/cs/cs_command_processor.hpp

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/scs/scs_command_processor.hpp>
+
+namespace ams::cs {
+
+    using CommandHeader  = scs::CommandHeader;
+    using ResponseHeader = scs::ResponseHeader;
+
+    class CommandProcessor : public scs::CommandProcessor {
+        public:
+            virtual bool ProcessCommand(const CommandHeader &header, const u8 *body, s32 socket) override;
+    };
+
+}

libraries/libstratosphere/include/stratosphere/cs/cs_hid_server.hpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::cs {
+
+    void InitializeHidServer();
+
+}

libraries/libstratosphere/include/stratosphere/cs/cs_remote_video_server.hpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::cs {
+
+    void InitializeRemoteVideoServer();
+
+}

libraries/libstratosphere/include/stratosphere/cs/cs_target_io_server.hpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::cs {
+
+    void InitializeTargetIoServer();
+
+}

libraries/libstratosphere/include/stratosphere/htc.hpp

@@ -17,3 +17,7 @@
 
 #include <stratosphere/htc/server/htc_htcmisc_hipc_server.hpp>
 #include <stratosphere/htc/server/htc_htcmisc_channel_ids.hpp>
+
+#include <stratosphere/htc/tenv/htc_tenv_types.hpp>
+#include <stratosphere/htc/tenv/htc_tenv.hpp>
+#include <stratosphere/htc/tenv/htc_tenv_service_manager.hpp>

libraries/libstratosphere/include/stratosphere/htc/tenv/htc_tenv.hpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::htc::tenv {
+
+    void Initialize(AllocateFunction allocate, DeallocateFunction deallocate);
+    Result RegisterDefinitionFilePath(os::ProcessId process_id, const char *path, size_t size);
+    void UnregisterDefinitionFilePath(os::ProcessId process_id);
+
+}

libraries/libstratosphere/include/stratosphere/htc/tenv/htc_tenv_i_service.hpp

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/sf.hpp>
+#include <stratosphere/htc/tenv/htc_tenv_types.hpp>
+
+#define AMS_HTC_TENV_I_SERVICE_INTERFACE_INFO(C, H)                                                                                                                                              \
+    AMS_SF_METHOD_INFO(C, H, 0, Result, GetVariable,                (sf::Out<s64> out_size, const sf::OutBuffer &out_buffer, const htc::tenv::VariableName &name), (out_size, out_buffer, name)) \
+    AMS_SF_METHOD_INFO(C, H, 1, Result, GetVariableLength,          (sf::Out<s64> out_size,const htc::tenv::VariableName &name),                                   (out_size, name))             \
+    AMS_SF_METHOD_INFO(C, H, 2, Result, WaitUntilVariableAvailable, (s64 timeout_ms),                                                                              (timeout_ms))
+
+AMS_SF_DEFINE_INTERFACE(ams::htc::tenv, IService, AMS_HTC_TENV_I_SERVICE_INTERFACE_INFO)

libraries/libstratosphere/include/stratosphere/htc/tenv/htc_tenv_i_service_manager.hpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/sf.hpp>
+#include <stratosphere/os/os_common_types.hpp>
+#include <stratosphere/htc/tenv/htc_tenv_i_service.hpp>
+
+#define AMS_HTC_TENV_I_SERVICE_MANAGER_INTERFACE_INFO(C, H) \
+    AMS_SF_METHOD_INFO(C, H, 0, Result, GetServiceInterface, (sf::Out<sf::SharedPointer<htc::tenv::IService>> out, const sf::ClientProcessId &process_id), (out, process_id))
+
+AMS_SF_DEFINE_INTERFACE(ams::htc::tenv, IServiceManager, AMS_HTC_TENV_I_SERVICE_MANAGER_INTERFACE_INFO)

libraries/libstratosphere/include/stratosphere/htc/tenv/htc_tenv_service_manager.hpp

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/sm/sm_types.hpp>
+#include <stratosphere/htc/tenv/htc_tenv_i_service_manager.hpp>
+
+namespace ams::htc::tenv {
+
+    constexpr inline sm::ServiceName ServiceName = sm::ServiceName::Encode("htc:tenv");
+
+    class ServiceManager {
+        public:
+            Result GetServiceInterface(sf::Out<sf::SharedPointer<htc::tenv::IService>> out, const sf::ClientProcessId &process_id);
+    };
+    static_assert(htc::tenv::IsIServiceManager<ServiceManager>);
+
+}

libraries/libstratosphere/include/stratosphere/htc/tenv/htc_tenv_types.hpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::htc::tenv {
+
+    struct VariableName {
+        char str[0x40];
+    };
+
+}

libraries/libstratosphere/include/stratosphere/scs.hpp

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <stratosphere/scs/scs_command_processor.hpp>
+#include <stratosphere/scs/scs_shell_server.hpp>
+
+#include <stratosphere/scs/scs_shell.hpp>
+#include <stratosphere/scs/scs_tenv.hpp>
+
+#include <stratosphere/scs/scs_server_manager.hpp>

libraries/libstratosphere/include/stratosphere/scs/scs_command_processor.hpp

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::scs {
+
+    struct CommandHeader {
+        u64 id;
+        u32 command;
+        u32 body_size;
+    };
+
+    struct ResponseHeader {
+        u64 id;
+        u32 response;
+        u32 body_size;
+    };
+
+    class CommandProcessor {
+        protected:
+            enum Command {
+                Command_None                           =  0,
+                Command_LaunchProgramFromHost          =  1,
+                Command_TerminateProcesses             =  2,
+                Command_GetFirmwareVersion             =  3,
+                Command_Reboot                         =  4,
+                Command_SetSafeMode                    =  5,
+                Command_RegisterTenvDefinitionFilePath =  6,
+                Command_TerminateApplication           =  7,
+                Command_Shutdown                       =  8,
+                Command_SubscribeProcessEvent          =  9,
+                Command_GetTitleName                   = 10,
+                Command_ControlVirtualTemperature      = 11,
+                Command_LaunchInstalledApplication     = 12,
+                Command_LaunchGameCardApplication      = 13,
+                Command_LaunchInstalledSystemProcess   = 14,
+                Command_TakeScreenShot                 = 15,
+                Command_TakeForegroundScreenShot       = 16,
+                Command_SimulateGameCardDetection      = 17,
+                Command_SimulateSdCardDetection        = 18,
+                Command_DumpRunningApplication         = 19,
+            };
+
+            enum Response {
+                Response_None    = 0,
+                Response_Success = 1,
+                Response_Error   = 2,
+                /* ... */
+            };
+        public:
+            constexpr CommandProcessor() = default;
+
+            void Initialize();
+        public:
+            virtual bool ProcessCommand(const CommandHeader &header, const u8 *body, s32 socket);
+        protected:
+            static void SendSuccess(s32 socket, const CommandHeader &header);
+            static void SendErrorResult(s32 socket, const CommandHeader &header, Result result);
+        private:
+            static void SendErrorResult(s32 socket, u64 id, Result result);
+
+            static void OnProcessStart(u64 id, s32 socket, os::ProcessId process_id);
+            static void OnProcessExit(u64 id, s32 socket, os::ProcessId process_id);
+            static void OnProcessJitDebug(u64 id, s32 socket, os::ProcessId process_id);
+    };
+
+    os::SdkMutex &GetHtcsSendMutex();
+
+}

libraries/libstratosphere/include/stratosphere/scs/scs_server_manager.hpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/sf.hpp>
+
+namespace ams::scs {
+
+    enum Port {
+        Port_HtcTenv,
+        Port_Count,
+    };
+
+    constexpr inline int SessionCount[Port_Count] = {
+        6,
+    };
+
+    constexpr inline auto MaxSessions = [] {
+        auto total = 0;
+        for (const auto sessions : SessionCount) {
+            total += sessions;
+        }
+        return total;
+    }();
+
+    struct ServerOptions {
+        static constexpr size_t PointerBufferSize = 0;
+        static constexpr size_t MaxDomains = 6;
+        static constexpr size_t MaxDomainObjects = 16;
+    };
+
+    class ServerManager final : public sf::hipc::ServerManager<Port_Count, ServerOptions, MaxSessions> {
+        /* ... */
+    };
+
+    ServerManager *GetServerManager();
+    void StartServer();
+
+}

libraries/libstratosphere/include/stratosphere/scs/scs_shell.hpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/os.hpp>
+#include <stratosphere/ncm/ncm_ids.hpp>
+
+namespace ams::scs {
+
+    using ProcessEventHandler = void(*)(u64 id, s32 socket, os::ProcessId process_id);
+
+    void InitializeShell();
+
+    void RegisterCommonProcessEventHandler(ProcessEventHandler on_start, ProcessEventHandler on_exit, ProcessEventHandler on_jit_debug);
+
+    bool RegisterSocket(s32 socket);
+    void UnregisterSocket(s32 socket);
+
+    Result LaunchProgram(os::ProcessId *out, ncm::ProgramId program_id, const void *args, size_t args_size, u32 process_flags);
+
+    Result SubscribeProcessEvent(s32 socket, bool is_register, u64 id);
+
+}

libraries/libstratosphere/include/stratosphere/scs/scs_shell_server.hpp

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/os.hpp>
+#include <stratosphere/htcs.hpp>
+#include <stratosphere/scs/scs_command_processor.hpp>
+
+namespace ams::scs {
+
+    class ShellServer {
+        private:
+            htcs::HtcsPortName m_port_name;
+            os::ThreadType m_thread;
+            u8 m_buffer[64_KB];
+            CommandProcessor *m_command_processor;
+        private:
+            static void ThreadEntry(void *arg) { reinterpret_cast<ShellServer *>(arg)->DoShellServer(); }
+
+            void DoShellServer();
+        public:
+            constexpr ShellServer() = default;
+        public:
+            void Initialize(const char *port_name, void *stack, size_t stack_size, CommandProcessor *command_processor);
+            void Start();
+    };
+
+}

libraries/libstratosphere/include/stratosphere/scs/scs_tenv.hpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::scs {
+
+    void InitializeTenvServiceManager();
+
+}

libraries/libstratosphere/source/boot2/boot2_api.cpp

@@ -397,6 +397,7 @@ namespace ams::boot2 {
         /* Device whether to launch tma or htc. */
         if (svc::IsKernelMesosphere() && IsHtcEnabled()) {
             LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::SystemProgramId::Htc, ncm::StorageId::None), 0);
+            LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::SystemProgramId::Cs,  ncm::StorageId::None), 0);
         } else {
             LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::SystemProgramId::Tma, ncm::StorageId::BuiltInSystem), 0);
         }

libraries/libstratosphere/source/cs/cs_audio_server.cpp

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::cs {
+
+    void InitializeAudioServer() {
+        /* TODO: Support audio server. */
+    }
+
+}

libraries/libstratosphere/source/cs/cs_command_processor.cpp

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::cs {
+
+    bool CommandProcessor::ProcessCommand(const CommandHeader &header, const u8 *body, s32 socket) {
+        switch (header.command) {
+            /* TODO: Command support. */
+            default:
+                scs::CommandProcessor::ProcessCommand(header, body, socket);
+                break;
+        }
+
+        return true;
+    }
+
+}

libraries/libstratosphere/source/cs/cs_hid_server.cpp

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::cs {
+
+    void InitializeHidServer() {
+        /* TODO: Support hid redirection server. */
+    }
+
+}

libraries/libstratosphere/source/cs/cs_remote_video_server.cpp

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::cs {
+
+    void InitializeRemoteVideoServer() {
+        /* TODO: Support remote video server. */
+    }
+
+}

libraries/libstratosphere/source/cs/cs_target_io_server.cpp

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::cs {
+
+    void InitializeTargetIoServer() {
+        /* Launch target io server. */
+        os::ProcessId process_id;
+        scs::LaunchProgram(std::addressof(process_id), ncm::SystemProgramId::DevServer, nullptr, 0, 0);
+    }
+
+}

libraries/libstratosphere/source/htc/tenv/htc_tenv.cpp

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+#include "impl/htc_tenv_allocator.hpp"
+
+namespace ams::htc::tenv {
+
+    void Initialize(AllocateFunction allocate, DeallocateFunction deallocate) {
+        /* Initialize the library allocator. */
+        impl::InitializeAllocator(allocate, deallocate);
+    }
+
+}

libraries/libstratosphere/source/htc/tenv/htc_tenv_service.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+#include "htc_tenv_service.hpp"
+
+namespace ams::htc::tenv {
+
+    Result Service::GetVariable(sf::Out<s64> out_size, const sf::OutBuffer &out_buffer, const htc::tenv::VariableName &name) {
+        /* TODO */
+        AMS_ABORT("Service::GetVariable");
+    }
+
+    Result Service::GetVariableLength(sf::Out<s64> out_size,const htc::tenv::VariableName &name) {
+        /* TODO */
+        AMS_ABORT("Service::GetVariableLength");
+    }
+
+    Result Service::WaitUntilVariableAvailable(s64 timeout_ms) {
+        /* TODO */
+        AMS_ABORT("Service::WaitUntilVariableAvailable");
+    }
+
+}

libraries/libstratosphere/source/htc/tenv/htc_tenv_service.hpp

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htc::tenv {
+
+    class Service {
+        private:
+            os::ProcessId m_process_id;
+        public:
+            constexpr Service(os::ProcessId pid) : m_process_id(pid) { /* ... */ }
+        public:
+            Result GetVariable(sf::Out<s64> out_size, const sf::OutBuffer &out_buffer, const htc::tenv::VariableName &name);
+            Result GetVariableLength(sf::Out<s64> out_size,const htc::tenv::VariableName &name);
+            Result WaitUntilVariableAvailable(s64 timeout_ms);
+    };
+    static_assert(htc::tenv::IsIService<Service>);
+
+}

libraries/libstratosphere/source/htc/tenv/htc_tenv_service_manager.cpp

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+#include "impl/htc_tenv_allocator.hpp"
+#include "htc_tenv_service.hpp"
+
+namespace ams::htc::tenv {
+
+    Result ServiceManager::GetServiceInterface(sf::Out<sf::SharedPointer<htc::tenv::IService>> out, const sf::ClientProcessId &process_id) {
+        *out = impl::SfObjectFactory::CreateSharedEmplaced<htc::tenv::IService, Service>(process_id.GetValue());
+        return ResultSuccess();
+    }
+
+}

libraries/libstratosphere/source/htc/tenv/impl/htc_tenv_allocator.cpp

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+#include "htc_tenv_allocator.hpp"
+
+namespace ams::htc::tenv::impl {
+
+    namespace {
+
+        constinit AllocateFunction g_allocate     = nullptr;
+        constinit DeallocateFunction g_deallocate = nullptr;
+
+    }
+
+    void InitializeAllocator(AllocateFunction allocate, DeallocateFunction deallocate) {
+        /* Check that we don't already have allocator functions. */
+        AMS_ASSERT(g_allocate == nullptr);
+        AMS_ASSERT(g_deallocate == nullptr);
+
+        /* Set our allocator functions. */
+        g_allocate = allocate;
+        g_deallocate = deallocate;
+
+        /* Check that we have allocator functions. */
+        AMS_ASSERT(g_allocate != nullptr);
+        AMS_ASSERT(g_deallocate != nullptr);
+    }
+
+    void *Allocate(size_t size) {
+        /* Check that we have an allocator. */
+        AMS_ASSERT(g_allocate != nullptr);
+
+        return g_allocate(size);
+    }
+
+    void Deallocate(void *p, size_t size) {
+        /* Check that we have a deallocator. */
+        AMS_ASSERT(g_deallocate != nullptr);
+
+        return g_deallocate(p, size);
+    }
+
+}

libraries/libstratosphere/source/htc/tenv/impl/htc_tenv_allocator.hpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htc::tenv::impl {
+
+    void InitializeAllocator(AllocateFunction allocate, DeallocateFunction deallocate);
+
+    void *Allocate(size_t size);
+    void Deallocate(void *p, size_t size);
+
+    class SfAllocator {
+        public:
+            constexpr ALWAYS_INLINE SfAllocator() { /* ... */ }
+
+            void *Allocate(size_t size) {
+                return ::ams::htc::tenv::impl::Allocate(size);
+            }
+
+            void Deallocate(void *p, size_t size) {
+                return ::ams::htc::tenv::impl::Deallocate(p, size);
+            }
+    };
+
+    using SfPolicy = sf::StatelessAllocationPolicy<SfAllocator>;
+    using SfObjectFactory = sf::ObjectFactory<SfPolicy>;
+
+}

libraries/libstratosphere/source/htcs/client/htcs_session.cpp

@@ -150,13 +150,13 @@ namespace ams::htcs::client {
         }
 
         Result RemoteSocket::Connect(sf::Out<s32> out_err, sf::Out<s32> out_res, const htcs::SockAddrHtcs &address) {
-            static_assert(sizeof(htcs::SockAddrHtcs) == sizeof(::SockAddrHtcs));
+            static_assert(sizeof(htcs::SockAddrHtcs) == sizeof(::HtcsSockAddr));
-            return ::htcsSocketConnect(std::addressof(m_s), out_err.GetPointer(), out_res.GetPointer(), reinterpret_cast<const ::SockAddrHtcs *>(std::addressof(address)));
+            return ::htcsSocketConnect(std::addressof(m_s), out_err.GetPointer(), out_res.GetPointer(), reinterpret_cast<const ::HtcsSockAddr *>(std::addressof(address)));
         }
 
         Result RemoteSocket::Bind(sf::Out<s32> out_err, sf::Out<s32> out_res, const htcs::SockAddrHtcs &address) {
-            static_assert(sizeof(htcs::SockAddrHtcs) == sizeof(::SockAddrHtcs));
+            static_assert(sizeof(htcs::SockAddrHtcs) == sizeof(::HtcsSockAddr));
-            return ::htcsSocketBind(std::addressof(m_s), out_err.GetPointer(), out_res.GetPointer(), reinterpret_cast<const ::SockAddrHtcs *>(std::addressof(address)));
+            return ::htcsSocketBind(std::addressof(m_s), out_err.GetPointer(), out_res.GetPointer(), reinterpret_cast<const ::HtcsSockAddr *>(std::addressof(address)));
         }
 
         Result RemoteSocket::Listen(sf::Out<s32> out_err, sf::Out<s32> out_res, s32 backlog_count) {
@@ -176,9 +176,9 @@ namespace ams::htcs::client {
         }
 
         Result RemoteSocket::AcceptResults(sf::Out<s32> out_err, sf::Out<sf::SharedPointer<tma::ISocket>> out, sf::Out<htcs::SockAddrHtcs> out_address, u32 task_id) {
-            static_assert(sizeof(htcs::SockAddrHtcs) == sizeof(::SockAddrHtcs));
+            static_assert(sizeof(htcs::SockAddrHtcs) == sizeof(::HtcsSockAddr));
             ::HtcsSocket libnx_socket;
-            R_TRY(::htcsSocketAcceptResults(std::addressof(m_s), out_err.GetPointer(), std::addressof(libnx_socket), reinterpret_cast<::SockAddrHtcs *>(out_address.GetPointer()), task_id));
+            R_TRY(::htcsSocketAcceptResults(std::addressof(m_s), out_err.GetPointer(), std::addressof(libnx_socket), reinterpret_cast<::HtcsSockAddr *>(out_address.GetPointer()), task_id));
 
             R_SUCCEED_IF(*out_err != 0);
 

libraries/libstratosphere/source/scs/scs_command_processor.cpp

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::scs {
+
+    namespace {
+
+        struct ResponseError {
+            ResponseHeader header;
+            u32 result;
+        };
+
+        constinit os::SdkMutex g_htcs_send_mutex;
+
+    }
+
+    os::SdkMutex &GetHtcsSendMutex() {
+        return g_htcs_send_mutex;
+    }
+
+    void CommandProcessor::SendSuccess(s32 socket, const CommandHeader &header) {
+        /* Build the response. */
+        const ResponseHeader response = {
+            .id        = header.id,
+            .response  = Response_Success,
+            .body_size = 0,
+        };
+
+        /* Send the response. */
+        std::scoped_lock lk(GetHtcsSendMutex());
+        htcs::Send(socket, std::addressof(response), sizeof(response), 0);
+    }
+
+    void CommandProcessor::SendErrorResult(s32 socket, const CommandHeader &header, Result result) {
+        return SendErrorResult(socket, header.id, result);
+    }
+
+    void CommandProcessor::SendErrorResult(s32 socket, u64 id, Result result) {
+        /* Build the response. */
+        const ResponseError response = {
+            .header = {
+                .id        = id,
+                .response  = Response_Error,
+                .body_size = sizeof(response) - sizeof(response.header),
+            },
+            .result = result.GetValue(),
+        };
+
+        /* Send the response. */
+        std::scoped_lock lk(GetHtcsSendMutex());
+        htcs::Send(socket, std::addressof(response), sizeof(response), 0);
+    }
+
+    void CommandProcessor::OnProcessStart(u64 id, s32 socket, os::ProcessId process_id) {
+        /* TODO */
+        AMS_ABORT("CommandProcessor::OnProcessStart");
+    }
+
+    void CommandProcessor::OnProcessExit(u64 id, s32 socket, os::ProcessId process_id) {
+        /* TODO */
+        AMS_ABORT("CommandProcessor::OnProcessExit");
+    }
+
+    void CommandProcessor::OnProcessJitDebug(u64 id, s32 socket, os::ProcessId process_id) {
+        /* TODO */
+        AMS_ABORT("CommandProcessor::OnProcessJitDebug");
+    }
+
+    void CommandProcessor::Initialize() {
+        /* Register our process event handlers. */
+        scs::RegisterCommonProcessEventHandler(OnProcessStart, OnProcessExit, OnProcessJitDebug);
+    }
+
+    bool CommandProcessor::ProcessCommand(const CommandHeader &header, const u8 *body, s32 socket) {
+        switch (header.command) {
+            /* TODO: Support commands. */
+            default:
+                SendErrorResult(socket, header, scs::ResultUnknownCommand());
+                break;
+        }
+
+        return true;
+    }
+
+}

libraries/libstratosphere/source/scs/scs_server_manager.cpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::scs {
+
+    namespace {
+
+        ServerManager g_server_manager;
+
+    }
+
+    ServerManager *GetServerManager() {
+        return std::addressof(g_server_manager);
+    }
+
+    void StartServer() {
+        /* Start the server. */
+        g_server_manager.ResumeProcessing();
+
+        /* Loop processing the server. */
+        g_server_manager.LoopProcess();
+    }
+
+}

libraries/libstratosphere/source/scs/scs_shell.cpp

@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::scs {
+
+    namespace {
+
+        struct SocketInfo {
+            u64 id;
+            s32 socket;
+        };
+
+        struct ProgramInfo {
+            os::ProcessId process_id;
+            u64 id;
+            s32 socket;
+            s32 info_id;
+            bool _18;
+            bool _19;
+            bool _1A;
+        };
+
+        constexpr inline auto MaxSocketInfo  = 2;
+        constexpr inline auto MaxProgramInfo = 64;
+
+        class SocketInfoManager {
+            private:
+                SocketInfo m_infos[MaxProgramInfo];
+                int m_count;
+            public:
+                constexpr SocketInfoManager() = default;
+
+                void Initialize() {
+                    /* Clear our count. */
+                    m_count = 0;
+                }
+        };
+
+        class ProgramInfoManager {
+            private:
+                s32 m_next_info_id;
+                ProgramInfo m_infos[MaxProgramInfo];
+                int m_count;
+            public:
+                constexpr ProgramInfoManager() = default;
+
+                void Initialize() {
+                    /* Reset our next id. */
+                    m_next_info_id = 1;
+
+                    /* Clear our count. */
+                    m_count = 0;
+                }
+        };
+
+        alignas(os::ThreadStackAlignment) constinit u8 g_thread_stack[os::MemoryPageSize];
+        constinit os::ThreadType g_thread;
+
+        constinit ProcessEventHandler g_common_start_handler;
+        constinit ProcessEventHandler g_common_exit_handler;
+        constinit ProcessEventHandler g_common_jit_debug_handler;
+
+        constinit SocketInfoManager g_socket_info_manager;
+        constinit ProgramInfoManager g_program_info_manager;
+
+        void EventHandlerThread(void *) {
+            /* TODO */
+            AMS_ABORT("scs::EventHandlerThread");
+        }
+
+        void StartEventHandlerThread() {
+            /* Create the handler thread. */
+            R_ABORT_UNLESS(os::CreateThread(std::addressof(g_thread), EventHandlerThread, nullptr, g_thread_stack, sizeof(g_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(scs, ShellEventHandler)));
+
+            /* Set the handler thread's name. */
+            os::SetThreadNamePointer(std::addressof(g_thread), AMS_GET_SYSTEM_THREAD_NAME(scs, ShellEventHandler));
+
+            /* Start the handler thread. */
+            os::StartThread(std::addressof(g_thread));
+        }
+
+        Result PrepareToLaunchProgram(ncm::ProgramId program_id, const void *args, size_t args_size) {
+            /* Set the arguments. */
+            R_TRY_CATCH(ldr::SetProgramArgument(program_id, args, args_size)) {
+                R_CATCH(ldr::ResultTooManyArguments) {
+                    /* There are too many arguments already registered. Flush the arguments queue. */
+                    R_TRY(ldr::FlushArguments());
+
+                    /* Try again. */
+                    R_TRY(ldr::SetProgramArgument(program_id, args, args_size));
+                }
+            } R_END_TRY_CATCH;
+
+            return ResultSuccess();
+        }
+
+        void FlushProgramArgument(ncm::ProgramId program_id) {
+            /* Ensure there are no arguments for the program. */
+            ldr::SetProgramArgument(program_id, "", 1);
+        }
+
+    }
+
+    void InitializeShell() {
+        /* Initialize our managers. */
+        g_socket_info_manager.Initialize();
+        g_program_info_manager.Initialize();
+
+        /* Start our event handler. */
+        StartEventHandlerThread();
+    }
+
+    void RegisterCommonProcessEventHandler(ProcessEventHandler on_start, ProcessEventHandler on_exit, ProcessEventHandler on_jit_debug) {
+        g_common_start_handler     = on_start;
+        g_common_exit_handler      = on_exit;
+        g_common_jit_debug_handler = on_jit_debug;
+    }
+
+    bool RegisterSocket(s32 socket);
+    void UnregisterSocket(s32 socket);
+
+    Result LaunchProgram(os::ProcessId *out, ncm::ProgramId program_id, const void *args, size_t args_size, u32 process_flags) {
+        /* Set up the arguments. */
+        PrepareToLaunchProgram(program_id, args, args_size);
+
+        /* Ensure arguments are managed correctly. */
+        ON_SCOPE_EXIT { FlushProgramArgument(program_id); };
+
+        /* Launch the program. */
+        const ncm::ProgramLocation loc = ncm::ProgramLocation::Make(program_id, ncm::StorageId::BuiltInSystem);
+        R_TRY(pgl::LaunchProgram(out, loc, process_flags | pm::LaunchFlags_SignalOnExit, 0));
+
+        return ResultSuccess();
+    }
+
+    Result SubscribeProcessEvent(s32 socket, bool is_register, u64 id);
+
+}

libraries/libstratosphere/source/scs/scs_shell_server.cpp

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::scs {
+
+    void ShellServer::Initialize(const char *port_name, void *stack, size_t stack_size, CommandProcessor *command_processor) {
+        /* Set our variables. */
+        m_command_processor = command_processor;
+        std::strcpy(m_port_name.name, port_name);
+
+        /* Create our thread. */
+        R_ABORT_UNLESS(os::CreateThread(std::addressof(m_thread), ThreadEntry, this, stack, stack_size, AMS_GET_SYSTEM_THREAD_PRIORITY(scs, ShellServer)));
+
+        /* Set our thread's name. */
+        os::SetThreadNamePointer(std::addressof(m_thread), AMS_GET_SYSTEM_THREAD_NAME(scs, ShellServer));
+    }
+
+    void ShellServer::Start() {
+        os::StartThread(std::addressof(m_thread));
+    }
+
+    void ShellServer::DoShellServer() {
+        /* TODO */
+        AMS_ABORT("ShellServer::DoShellServer");
+    }
+
+}

libraries/libstratosphere/source/scs/scs_tenv.cpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::scs {
+
+    namespace {
+
+        alignas(os::MemoryPageSize) constinit u8 g_tenv_heap_storage[48_KB];
+        constinit lmem::HeapHandle g_tenv_heap_handle = nullptr;
+        constinit os::SdkMutex g_mutex;
+
+        void InitializeExpHeap() {
+            std::scoped_lock lk(g_mutex);
+            g_tenv_heap_handle = lmem::CreateExpHeap(g_tenv_heap_storage, sizeof(g_tenv_heap_storage), lmem::CreateOption_None);
+        }
+
+        void *Allocate(size_t size) {
+            std::scoped_lock lk(g_mutex);
+            void *mem = lmem::AllocateFromExpHeap(g_tenv_heap_handle, size);
+            return mem;
+        }
+
+        void Deallocate(void *p, size_t size) {
+            std::scoped_lock lk(g_mutex);
+            lmem::FreeToExpHeap(g_tenv_heap_handle, p);
+        }
+
+    }
+
+    void InitializeTenvServiceManager() {
+        /* Initialize the tenv heap. */
+        InitializeExpHeap();
+
+        /* Initialize the tenv library. */
+        htc::tenv::Initialize(Allocate, Deallocate);
+    }
+
+}

libraries/libvapours/include/vapours/results.hpp

@@ -26,6 +26,7 @@
 #include <vapours/results/cal_results.hpp>
 #include <vapours/results/capsrv_results.hpp>
 #include <vapours/results/creport_results.hpp>
+#include <vapours/results/cs_results.hpp>
 #include <vapours/results/dd_results.hpp>
 #include <vapours/results/ddsf_results.hpp>
 #include <vapours/results/debug_results.hpp>
@@ -55,6 +56,7 @@
 #include <vapours/results/psc_results.hpp>
 #include <vapours/results/pwm_results.hpp>
 #include <vapours/results/ro_results.hpp>
+#include <vapours/results/scs_results.hpp>
 #include <vapours/results/sdmmc_results.hpp>
 #include <vapours/results/settings_results.hpp>
 #include <vapours/results/sf_results.hpp>

libraries/libvapours/include/vapours/results/cs_results.hpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <vapours/results/results_common.hpp>
+
+namespace ams::cs {
+
+    R_DEFINE_NAMESPACE_RESULT_MODULE(204);
+
+    R_DEFINE_ERROR_RESULT(UnknownCommand, 2);
+    R_DEFINE_ERROR_RESULT(OutOfResource,  4);
+    R_DEFINE_ERROR_RESULT(NoSocket,       7);
+
+}

libraries/libvapours/include/vapours/results/scs_results.hpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <vapours/results/results_common.hpp>
+
+namespace ams::scs {
+
+    R_DEFINE_NAMESPACE_RESULT_MODULE(204);
+
+    R_DEFINE_ERROR_RESULT(UnknownCommand, 2);
+    R_DEFINE_ERROR_RESULT(OutOfResource,  4);
+    R_DEFINE_ERROR_RESULT(NoSocket,       7);
+
+}

stratosphere/cs/Makefile

@@ -0,0 +1,113 @@
+#---------------------------------------------------------------------------------
+# pull in common stratosphere sysmodule configuration
+#---------------------------------------------------------------------------------
+include $(dir $(abspath $(lastword $(MAKEFILE_LIST))))/../../libraries/config/templates/stratosphere.mk
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES      :=	$(call FIND_SOURCE_FILES,$(SOURCES),c)
+CPPFILES    :=	$(call FIND_SOURCE_FILES,$(SOURCES),cpp)
+SFILES      :=	$(call FIND_SOURCE_FILES,$(SOURCES),s)
+
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
+			$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC)
+
+ifeq ($(strip $(CONFIG_JSON)),)
+	jsons := $(wildcard *.json)
+	ifneq (,$(findstring $(TARGET).json,$(jsons)))
+		export APP_JSON := $(TOPDIR)/$(TARGET).json
+	else
+		ifneq (,$(findstring config.json,$(jsons)))
+			export APP_JSON := $(TOPDIR)/config.json
+		endif
+	endif
+else
+	export APP_JSON := $(TOPDIR)/$(CONFIG_JSON)
+endif
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).nsp $(TARGET).npdm $(TARGET).nso $(TARGET).elf
+
+
+#---------------------------------------------------------------------------------
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+all	:	$(OUTPUT).nsp
+
+ifeq ($(strip $(APP_JSON)),)
+$(OUTPUT).nsp	:	$(OUTPUT).nso
+else
+$(OUTPUT).nsp	:	$(OUTPUT).nso $(OUTPUT).npdm
+endif
+
+$(OUTPUT).nso	:	$(OUTPUT).elf
+
+$(OUTPUT).elf	:	$(OFILES)
+
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o	:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+
+-include $(DEPENDS)
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

stratosphere/cs/cs.json

@@ -0,0 +1,89 @@
+{
+	"name":	"cs",
+	"title_id":	"0x0100000000000017",
+	"title_id_range_min":	"0x0100000000000017",
+	"title_id_range_max":	"0x0100000000000017",
+	"main_thread_stack_size":	"0x00004000",
+	"main_thread_priority":	48,
+	"default_cpu_id":	3,
+	"process_category":	0,
+	"is_retail":	false,
+	"pool_partition":	2,
+	"is_64_bit":	true,
+	"address_space_type":	3,
+    "disable_device_address_space_merge":    true,
+	"filesystem_access":	{
+		"permissions":	"0xFFFFFFFFFFFFFFFF"
+	},
+	"service_access":	["appletAE", "lr", "ldr:shel", "pgl", "ns:am2", "ns:dev", "htcs", "hid", "hid:dbg", "hid:sys", "set", "set:sys", "lr", "ldr:shel", "ncm", "arp:r", "fsp-srv", "bpc", "tc", "fatal:u", "caps:sc", "audrec:u", "auddev", "grc:d"],
+	"service_host":	["htc:tenv"],
+	"kernel_capabilities":	[{
+			"type":	"kernel_flags",
+			"value":	{
+				"highest_thread_priority":	63,
+				"lowest_thread_priority":	24,
+				"lowest_cpu_id":	3,
+				"highest_cpu_id":	3
+			}
+		}, {
+			"type":	"syscalls",
+			"value":	{
+				"svcSetHeapSize":	"0x01",
+				"svcSetMemoryPermission":	"0x02",
+				"svcSetMemoryAttribute":	"0x03",
+				"svcMapMemory":	"0x04",
+				"svcUnmapMemory":	"0x05",
+				"svcQueryMemory":	"0x06",
+				"svcExitProcess":	"0x07",
+				"svcCreateThread":	"0x08",
+				"svcStartThread":	"0x09",
+				"svcExitThread":	"0x0a",
+				"svcSleepThread":	"0x0b",
+				"svcGetThreadPriority":	"0x0c",
+				"svcSetThreadPriority":	"0x0d",
+				"svcGetThreadCoreMask":	"0x0e",
+				"svcSetThreadCoreMask":	"0x0f",
+				"svcGetCurrentProcessorNumber":	"0x10",
+				"svcSignalEvent":	"0x11",
+				"svcClearEvent":	"0x12",
+				"svcMapSharedMemory":	"0x13",
+				"svcUnmapSharedMemory":	"0x14",
+				"svcCreateTransferMemory":	"0x15",
+				"svcCloseHandle":	"0x16",
+				"svcResetSignal":	"0x17",
+				"svcWaitSynchronization":	"0x18",
+				"svcCancelSynchronization":	"0x19",
+				"svcArbitrateLock":	"0x1a",
+				"svcArbitrateUnlock":	"0x1b",
+				"svcWaitProcessWideKeyAtomic":	"0x1c",
+				"svcSignalProcessWideKey":	"0x1d",
+				"svcGetSystemTick":	"0x1e",
+				"svcConnectToNamedPort":	"0x1f",
+				"svcSendSyncRequestLight":	"0x20",
+				"svcSendSyncRequest":	"0x21",
+				"svcSendSyncRequestWithUserBuffer":	"0x22",
+				"svcSendAsyncRequestWithUserBuffer":	"0x23",
+				"svcGetProcessId":	"0x24",
+				"svcGetThreadId":	"0x25",
+				"svcBreak":	"0x26",
+				"svcOutputDebugString":	"0x27",
+				"svcReturnFromException":	"0x28",
+				"svcGetInfo":	"0x29",
+				"svcWaitForAddress":	"0x34",
+				"svcSignalToAddress":	"0x35",
+				"svcCreateSession":	"0x40",
+				"svcAcceptSession":	"0x41",
+				"svcReplyAndReceiveLight":	"0x42",
+				"svcReplyAndReceive":	"0x43",
+				"svcReplyAndReceiveWithUserBuffer":	"0x44",
+				"svcCreateEvent":	"0x45",
+                "svcCallSecureMonitor":	"0x7f"
+			}
+		}, {
+			"type":	"min_kernel_version",
+			"value":	"0x0030"
+		}, {
+			"type":	"handle_table_size",
+			"value":	0
+		}]
+}

stratosphere/cs/source/cs_main.cpp

@@ -0,0 +1,232 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+extern "C" {
+    extern u32 __start__;
+
+    u32 __nx_applet_type = AppletType_None;
+    u32 __nx_fs_num_sessions = 1;
+
+    #define INNER_HEAP_SIZE 0x0
+    size_t nx_inner_heap_size = INNER_HEAP_SIZE;
+    char   nx_inner_heap[INNER_HEAP_SIZE];
+
+    void __libnx_initheap(void);
+    void __appInit(void);
+    void __appExit(void);
+
+    void *__libnx_alloc(size_t size);
+    void *__libnx_aligned_alloc(size_t alignment, size_t size);
+    void __libnx_free(void *mem);
+}
+
+namespace ams {
+
+    ncm::ProgramId CurrentProgramId = ncm::SystemProgramId::Cs;
+
+}
+
+using namespace ams;
+
+#define AMS_CS_SERVER_USE_FATAL_ERROR 1
+
+#if AMS_CS_SERVER_USE_FATAL_ERROR
+
+extern "C" {
+
+    /* Exception handling. */
+    alignas(16) u8 __nx_exception_stack[ams::os::MemoryPageSize];
+    u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
+    void __libnx_exception_handler(ThreadExceptionDump *ctx);
+
+}
+
+void __libnx_exception_handler(ThreadExceptionDump *ctx) {
+    ams::CrashHandler(ctx);
+}
+
+#endif
+
+namespace ams::cs {
+
+    namespace {
+
+        alignas(os::ThreadStackAlignment) constinit u8 g_shell_stack[4_KB];
+        alignas(os::ThreadStackAlignment) constinit u8 g_runner_stack[4_KB];
+
+        alignas(os::MemoryPageSize) constinit u8 g_heap_memory[32_KB];
+
+        alignas(0x40) constinit u8 g_htcs_buffer[1_KB];
+
+        constinit os::SdkMutex g_heap_mutex;
+        constinit lmem::HeapHandle g_heap_handle;
+
+        void *Allocate(size_t size) {
+            std::scoped_lock lk(g_heap_mutex);
+            void *mem = lmem::AllocateFromExpHeap(g_heap_handle, size);
+            return mem;
+        }
+
+        void Deallocate(void *p, size_t size) {
+            std::scoped_lock lk(g_heap_mutex);
+            lmem::FreeToExpHeap(g_heap_handle, p);
+        }
+
+        void InitializeHeap() {
+            std::scoped_lock lk(g_heap_mutex);
+            g_heap_handle = lmem::CreateExpHeap(g_heap_memory, sizeof(g_heap_memory), lmem::CreateOption_None);
+        }
+
+    }
+
+}
+
+void __libnx_initheap(void) {
+	void*  addr = nx_inner_heap;
+	size_t size = nx_inner_heap_size;
+
+	/* Newlib */
+	extern char* fake_heap_start;
+	extern char* fake_heap_end;
+
+	fake_heap_start = (char*)addr;
+	fake_heap_end   = (char*)addr + size;
+
+    cs::InitializeHeap();
+}
+
+void __appInit(void) {
+    hos::InitializeForStratosphere();
+
+    fs::SetAllocator(cs::Allocate, cs::Deallocate);
+
+    sm::DoWithSession([&]() {
+        R_ABORT_UNLESS(fsInitialize());
+        lr::Initialize();
+        R_ABORT_UNLESS(ldr::InitializeForShell());
+        R_ABORT_UNLESS(pgl::Initialize());
+        /* TODO: Other services? */
+    });
+
+    ams::CheckApiVersion();
+}
+
+void __appExit(void) {
+    /* TODO: Other services? */
+    pgl::Finalize();
+    ldr::FinalizeForShell();
+    lr::Finalize();
+    fsExit();
+}
+
+namespace ams {
+
+    void *Malloc(size_t size) {
+        AMS_ABORT("ams::Malloc was called");
+    }
+
+    void Free(void *ptr) {
+        AMS_ABORT("ams::Free was called");
+    }
+
+}
+
+void *operator new(size_t size) {
+    AMS_ABORT("operator new(size_t) was called");
+}
+
+void operator delete(void *p) {
+    AMS_ABORT("operator delete(void *) was called");
+}
+
+void *__libnx_alloc(size_t size) {
+    AMS_ABORT("__libnx_alloc was called");
+}
+
+void *__libnx_aligned_alloc(size_t alignment, size_t size) {
+    AMS_ABORT("__libnx_aligned_alloc was called");
+}
+
+void __libnx_free(void *mem) {
+    AMS_ABORT("__libnx_free was called");
+}
+
+namespace ams::cs {
+
+    namespace {
+
+        constinit ::ams::cs::CommandProcessor g_command_processor;
+
+        constinit ::ams::scs::ShellServer g_shell_server;
+        constinit ::ams::scs::ShellServer g_runner_server;
+
+        constinit sf::UnmanagedServiceObject<htc::tenv::IServiceManager, htc::tenv::ServiceManager> g_tenv_service_manager;
+
+    }
+
+}
+
+int main(int argc, char **argv)
+{
+    using namespace ams::cs;
+
+    /* Set thread name. */
+    os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(cs, Main));
+    AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(cs, Main));
+
+    /* Initialize htcs. */
+    constexpr auto HtcsSocketCountMax = 6;
+    const size_t buffer_size = htcs::GetWorkingMemorySize(2 * HtcsSocketCountMax);
+    AMS_ABORT_UNLESS(sizeof(g_htcs_buffer) >= buffer_size);
+    htcs::InitializeForSystem(g_htcs_buffer, buffer_size, HtcsSocketCountMax);
+
+    /* Initialize audio server. */
+    cs::InitializeAudioServer();
+
+    /* Initialize remote video server. */
+    cs::InitializeRemoteVideoServer();
+
+    /* Initialize hid server. */
+    cs::InitializeHidServer();
+
+    /* Initialize target io server. */
+    cs::InitializeTargetIoServer();
+
+    /* Initialize command processor. */
+    g_command_processor.Initialize();
+
+    /* Setup scs. */
+    scs::InitializeShell();
+
+    /* Setup target environment service. */
+    scs::InitializeTenvServiceManager();
+
+    /* Initialize the shell servers. */
+    g_shell_server.Initialize("iywys@$cs", g_shell_stack, sizeof(g_shell_stack), std::addressof(g_command_processor));
+    g_shell_server.Start();
+
+    g_runner_server.Initialize("iywys@$csForRunnerTools", g_runner_stack, sizeof(g_runner_stack), std::addressof(g_command_processor));
+    g_runner_server.Start();
+
+    /* Register htc:tenv. */
+    R_ABORT_UNLESS(scs::GetServerManager()->RegisterObjectForServer(g_tenv_service_manager.GetShared(), htc::tenv::ServiceName, scs::SessionCount[scs::Port_HtcTenv]));
+
+    /* Start the scs ipc server. */
+    scs::StartServer();
+
+    return 0;
+}