mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-05 12:38:07 +01:00
195 lines
7.3 KiB
C++
195 lines
7.3 KiB
C++
/*
|
|
* Copyright (c) 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 "pgl_srv_shell.hpp"
|
|
#include "pgl_srv_shell_event_observer.hpp"
|
|
#include "pgl_srv_tipc_utils.hpp"
|
|
|
|
namespace ams::pgl::srv {
|
|
|
|
namespace {
|
|
|
|
/* pgl. */
|
|
enum PortIndex {
|
|
PortIndex_Shell,
|
|
PortIndex_Count,
|
|
};
|
|
|
|
constexpr sm::ServiceName ShellServiceName = sm::ServiceName::Encode("pgl");
|
|
constexpr size_t ShellMaxSessions = 8; /* Official maximum is 6. */
|
|
|
|
using CmifServerManager = ams::sf::hipc::ServerManager<PortIndex_Count>;
|
|
|
|
constexpr size_t ObserverMaxSessions = 4;
|
|
|
|
using ShellPortMeta = ams::tipc::PortMeta<ShellMaxSessions + ObserverMaxSessions, pgl::tipc::IShellInterface, pgl::srv::ShellInterfaceTipc, ams::tipc::SingletonAllocator>;
|
|
|
|
using TipcServerManager = ams::tipc::ServerManager<ShellPortMeta>;
|
|
|
|
/* NOTE: Nintendo reserves only 0x2000 bytes for heap, which is used "mostly" to allocate shell event observers. */
|
|
/* However, we would like very much for homebrew sysmodules to be able to subscribe to events if they so choose */
|
|
/* And so we will use a larger heap (32 KB). Note that we reduce the heap size for tipc, where objects are */
|
|
/* allocated statically. */
|
|
/* We should have a smaller memory footprint than N in the end, regardless. */
|
|
|
|
struct CmifGlobals {
|
|
u8 heap_memory[32_KB];
|
|
lmem::HeapHandle heap_handle;
|
|
ams::sf::ExpHeapAllocator server_allocator;
|
|
ams::sf::UnmanagedServiceObject<pgl::sf::IShellInterface, pgl::srv::ShellInterfaceCmif> shell_interface{std::addressof(server_allocator)};
|
|
CmifServerManager server_manager;
|
|
};
|
|
|
|
struct TipcGlobals {
|
|
u8 heap_memory[24_KB];
|
|
lmem::HeapHandle heap_handle;
|
|
TipcServerManager server_manager;
|
|
ams::tipc::SlabAllocator<ams::tipc::ServiceObject<pgl::tipc::IEventObserver, pgl::srv::ShellEventObserverTipc>, ObserverMaxSessions> observer_allocator;
|
|
};
|
|
|
|
constinit union {
|
|
util::TypedStorage<CmifGlobals> cmif;
|
|
util::TypedStorage<TipcGlobals> tipc;
|
|
} g_globals;
|
|
|
|
ALWAYS_INLINE CmifGlobals &GetGlobalsForCmif() {
|
|
return GetReference(g_globals.cmif);
|
|
}
|
|
|
|
ALWAYS_INLINE TipcGlobals &GetGlobalsForTipc() {
|
|
return GetReference(g_globals.tipc);
|
|
}
|
|
|
|
ALWAYS_INLINE bool UseTipcServer() {
|
|
return hos::GetVersion() >= hos::Version_12_0_0;
|
|
}
|
|
|
|
ALWAYS_INLINE lmem::HeapHandle GetHeapHandle() {
|
|
if (UseTipcServer()) {
|
|
return GetGlobalsForTipc().heap_handle;
|
|
} else {
|
|
return GetGlobalsForCmif().heap_handle;
|
|
}
|
|
}
|
|
|
|
template<typename T>
|
|
ALWAYS_INLINE void InitializeHeapImpl(util::TypedStorage<T> &globals_storage) {
|
|
/* Construct the globals object. */
|
|
util::ConstructAt(globals_storage);
|
|
|
|
/* Get reference to the globals. */
|
|
auto &globals = GetReference(globals_storage);
|
|
|
|
/* Set the heap handle. */
|
|
globals.heap_handle = lmem::CreateExpHeap(globals.heap_memory, sizeof(globals.heap_memory), lmem::CreateOption_ThreadSafe);
|
|
|
|
/* If we should, setup the server allocator. */
|
|
if constexpr (requires (T &t) { t.server_allocator; }) {
|
|
globals.server_allocator.Attach(globals.heap_handle);
|
|
}
|
|
}
|
|
|
|
|
|
void RegisterServiceSession() {
|
|
/* Register "pgl" with the appropriate server manager. */
|
|
if (UseTipcServer()) {
|
|
/* Get the globals. */
|
|
auto &globals = GetGlobalsForTipc();
|
|
|
|
/* Initialize the server manager. */
|
|
globals.server_manager.Initialize();
|
|
|
|
/* Register the pgl service. */
|
|
globals.server_manager.RegisterPort(ShellServiceName, ShellMaxSessions);
|
|
} else {
|
|
/* Get the globals. */
|
|
auto &globals = GetGlobalsForCmif();
|
|
|
|
/* Register the shell server with the cmif server manager. */
|
|
R_ABORT_UNLESS(globals.server_manager.RegisterObjectForServer(globals.shell_interface.GetShared(), ShellServiceName, ShellMaxSessions));
|
|
}
|
|
}
|
|
|
|
void LoopProcessServer() {
|
|
/* Loop processing for the appropriate server manager. */
|
|
if (UseTipcServer()) {
|
|
GetGlobalsForTipc().server_manager.LoopAuto();
|
|
} else {
|
|
GetGlobalsForCmif().server_manager.LoopProcess();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void InitializeHeap() {
|
|
/* Initialize the heap (and construct the globals object) for the appropriate ipc protocol. */
|
|
if (UseTipcServer()) {
|
|
/* We're servicing via tipc. */
|
|
InitializeHeapImpl(g_globals.tipc);
|
|
} else {
|
|
/* We're servicing via cmif. */
|
|
InitializeHeapImpl(g_globals.cmif);
|
|
}
|
|
}
|
|
|
|
void *Allocate(size_t size) {
|
|
return lmem::AllocateFromExpHeap(GetHeapHandle(), size);
|
|
}
|
|
|
|
void Deallocate(void *p, size_t size) {
|
|
AMS_UNUSED(size);
|
|
return lmem::FreeToExpHeap(GetHeapHandle(), p);
|
|
}
|
|
|
|
void StartServer() {
|
|
/* Enable extra application threads, if we should. */
|
|
u8 enable_application_extra_thread;
|
|
const size_t sz = settings::fwdbg::GetSettingsItemValue(std::addressof(enable_application_extra_thread), sizeof(enable_application_extra_thread), "application_extra_thread", "enable_application_extra_thread");
|
|
if (sz == sizeof(enable_application_extra_thread) && enable_application_extra_thread != 0) {
|
|
/* NOTE: Nintendo does not check that this succeeds. */
|
|
pm::shell::EnableApplicationExtraThread();
|
|
}
|
|
|
|
/* Register service session. */
|
|
RegisterServiceSession();
|
|
|
|
/* Start the Process Tracking thread. */
|
|
pgl::srv::InitializeProcessControlTask();
|
|
|
|
/* Loop process. */
|
|
LoopProcessServer();
|
|
}
|
|
|
|
Result AllocateShellEventObserverForTipc(os::NativeHandle *out) {
|
|
/* Get the shell event observer allocator. */
|
|
auto &allocator = GetGlobalsForTipc().observer_allocator;
|
|
|
|
/* Allocate an object. */
|
|
auto *object = allocator.Allocate();
|
|
R_UNLESS(object != nullptr, pgl::ResultOutOfMemory());
|
|
|
|
/* Set the object's deleter. */
|
|
object->SetDeleter(std::addressof(allocator));
|
|
|
|
/* Add the session to the server manager. */
|
|
/* NOTE: If this fails, the object will be leaked. */
|
|
/* TODO: Should we avoid leaking the object? Nintendo does not. */
|
|
R_TRY(GetGlobalsForTipc().server_manager.AddSession(out, object));
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
} |