Atmosphere/stratosphere/cs/source/cs_main.cpp
2021-10-07 17:44:54 -07:00

152 lines
4.9 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>
namespace ams {
namespace 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[2_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) {
AMS_UNUSED(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);
}
}
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;
void InitializeCommandProcessor() {
g_command_processor.Initialize();
}
void InitializeShellServers() {
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();
}
}
}
namespace init {
void InitializeSystemModule() {
/* Initialize heap. */
cs::InitializeHeap();
/* Initialize our connection to sm. */
R_ABORT_UNLESS(sm::Initialize());
/* Initialize fs. */
fs::InitializeForSystem();
fs::SetAllocator(cs::Allocate, cs::Deallocate);
fs::SetEnabledAutoAbort(false);
/* Initialize other services we need. */
lr::Initialize();
R_ABORT_UNLESS(ldr::InitializeForShell());
R_ABORT_UNLESS(pgl::Initialize());
R_ABORT_UNLESS(setsysInitialize());
/* Verify that we can sanely execute. */
ams::CheckApiVersion();
}
void FinalizeSystemModule() { /* ... */ }
void Startup() { /* ... */ }
}
void Main() {
/* 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(cs::g_htcs_buffer) >= buffer_size);
htcs::InitializeForSystem(cs::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. */
cs::InitializeCommandProcessor();
/* Setup scs. */
scs::InitializeShell();
/* Setup target environment service. */
scs::InitializeTenvServiceManager();
/* Initialize the shell servers. */
cs::InitializeShellServers();
/* Register htc:tenv. */
R_ABORT_UNLESS(scs::GetServerManager()->RegisterObjectForServer(cs::g_tenv_service_manager.GetShared(), htc::tenv::ServiceName, scs::SessionCount[scs::Port_HtcTenv]));
/* Start the scs ipc server. */
scs::StartServer();
}
}