mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-23 12:22:08 +00:00
3a1ccdd919
* ams: update to build with gcc10/c++20 * remove mno-outline-atomics * ams: take care of most TODO C++20s * fusee/sept: update for gcc10 * whoosh, your code now uses pre-compiled headers * make: dependency fixes
164 lines
4.9 KiB
C++
164 lines
4.9 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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extern "C" {
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extern u32 __start__;
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u32 __nx_applet_type = AppletType_None;
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u32 __nx_fs_num_sessions = 1;
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#define INNER_HEAP_SIZE 0x4000
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size_t nx_inner_heap_size = INNER_HEAP_SIZE;
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char nx_inner_heap[INNER_HEAP_SIZE];
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void __libnx_initheap(void);
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void __appInit(void);
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void __appExit(void);
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/* Exception handling. */
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alignas(16) u8 __nx_exception_stack[ams::os::MemoryPageSize];
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u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
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void __libnx_exception_handler(ThreadExceptionDump *ctx);
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}
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namespace ams {
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ncm::ProgramId CurrentProgramId = ncm::SystemProgramId::Pgl;
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namespace result {
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bool CallFatalOnResultAssertion = false;
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}
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}
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using namespace ams;
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void __libnx_exception_handler(ThreadExceptionDump *ctx) {
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ams::CrashHandler(ctx);
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}
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namespace ams::pgl {
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namespace {
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/* pgl. */
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constexpr size_t NumServers = 1;
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ams::sf::hipc::ServerManager<NumServers> g_server_manager;
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constexpr sm::ServiceName ShellServiceName = sm::ServiceName::Encode("pgl");
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constexpr size_t ShellMaxSessions = 8; /* Official maximum is 8. */
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constinit pgl::srv::ShellInterface g_shell_interface;
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ALWAYS_INLINE std::shared_ptr<pgl::srv::ShellInterface> GetSharedPointerToShellInterface() {
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return ams::sf::ServiceObjectTraits<pgl::srv::ShellInterface>::SharedPointerHelper::GetEmptyDeleteSharedPointer(std::addressof(g_shell_interface));
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}
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void RegisterServiceSession() {
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R_ABORT_UNLESS(g_server_manager.RegisterServer<pgl::srv::ShellInterface>(ShellServiceName, ShellMaxSessions, GetSharedPointerToShellInterface()));
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}
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void LoopProcess() {
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g_server_manager.LoopProcess();
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}
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/* NOTE: Nintendo reserves only 0x2000 bytes for this heap, which is used "mostly" to allocate shell event observers. */
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/* However, we would like very much for homebrew sysmodules to be able to subscribe to events if they so choose */
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/* And so we will use a larger heap (32 KB). */
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/* We should have a smaller memory footprint than N in the end, regardless. */
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u8 g_heap_memory[32_KB];
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TYPED_STORAGE(ams::sf::ExpHeapMemoryResource) g_heap_memory_resource;
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void *Allocate(size_t size) {
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return lmem::AllocateFromExpHeap(GetReference(g_heap_memory_resource).GetHandle(), size);
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}
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void Deallocate(void *p, size_t size) {
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return lmem::FreeToExpHeap(GetReference(g_heap_memory_resource).GetHandle(), p);
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}
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void InitializeHeap() {
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auto heap_handle = lmem::CreateExpHeap(g_heap_memory, sizeof(g_heap_memory), lmem::CreateOption_ThreadSafe);
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new (GetPointer(g_heap_memory_resource)) ams::sf::ExpHeapMemoryResource(heap_handle);
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}
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}
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}
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void __libnx_initheap(void) {
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void* addr = nx_inner_heap;
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size_t size = nx_inner_heap_size;
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/* Newlib */
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extern char* fake_heap_start;
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extern char* fake_heap_end;
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fake_heap_start = (char*)addr;
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fake_heap_end = (char*)addr + size;
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ams::pgl::InitializeHeap();
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}
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void __appInit(void) {
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hos::InitializeForStratosphere();
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fs::SetAllocator(pgl::Allocate, pgl::Deallocate);
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sm::DoWithSession([&]() {
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R_ABORT_UNLESS(setInitialize());
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R_ABORT_UNLESS(setsysInitialize());
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R_ABORT_UNLESS(pmshellInitialize());
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R_ABORT_UNLESS(ldrShellInitialize());
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R_ABORT_UNLESS(lrInitialize());
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R_ABORT_UNLESS(fsInitialize());
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});
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ams::CheckApiVersion();
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}
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void __appExit(void) {
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fsExit();
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lrExit();
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ldrShellExit();
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pmshellExit();
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setsysExit();
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setExit();
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}
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int main(int argc, char **argv)
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{
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/* Set thread name. */
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os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(pgl, Main));
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AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(pgl, Main));
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/* Register the pgl service. */
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pgl::RegisterServiceSession();
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/* Initialize the server library. */
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pgl::srv::Initialize(std::addressof(pgl::g_shell_interface), GetPointer(pgl::g_heap_memory_resource));
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/* Loop forever, servicing our services. */
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pgl::LoopProcess();
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/* Cleanup */
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return 0;
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}
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