/* * 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 "ldr_development_manager.hpp" #include "ldr_loader_service.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); /* 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_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::Loader; } using namespace ams; void __libnx_exception_handler(ThreadExceptionDump *ctx) { ams::CrashHandler(ctx); } namespace ams::ldr { namespace { constinit u8 g_heap_memory[16_KB]; lmem::HeapHandle g_server_heap_handle; constinit ams::sf::ExpHeapAllocator g_server_allocator; void *Allocate(size_t size) { return lmem::AllocateFromExpHeap(g_server_heap_handle, size); } void Deallocate(void *p, size_t size) { return lmem::FreeToExpHeap(g_server_heap_handle, p); } void InitializeHeap() { g_server_heap_handle = lmem::CreateExpHeap(g_heap_memory, sizeof(g_heap_memory), lmem::CreateOption_None); g_server_allocator.Attach(g_server_heap_handle); } } namespace { struct ServerOptions { static constexpr size_t PointerBufferSize = 0x400; static constexpr size_t MaxDomains = 0; static constexpr size_t MaxDomainObjects = 0; }; /* ldr:pm, ldr:shel, ldr:dmnt. */ enum PortIndex { PortIndex_ProcessManager, PortIndex_Shell, PortIndex_DebugMonitor, PortIndex_Count, }; constexpr sm::ServiceName ProcessManagerServiceName = sm::ServiceName::Encode("ldr:pm"); constexpr size_t ProcessManagerMaxSessions = 1; constexpr sm::ServiceName ShellServiceName = sm::ServiceName::Encode("ldr:shel"); constexpr size_t ShellMaxSessions = 3; constexpr sm::ServiceName DebugMonitorServiceName = sm::ServiceName::Encode("ldr:dmnt"); constexpr size_t DebugMonitorMaxSessions = 3; constinit sf::UnmanagedServiceObject<impl::IProcessManagerInterface, LoaderService> g_pm_service; constinit sf::UnmanagedServiceObject<impl::IShellInterface, LoaderService> g_shell_service; constinit sf::UnmanagedServiceObject<impl::IDebugMonitorInterface, LoaderService> g_dmnt_service; constexpr size_t MaxSessions = ProcessManagerMaxSessions + ShellMaxSessions + DebugMonitorMaxSessions + 1; using ServerManager = ams::sf::hipc::ServerManager<PortIndex_Count, ServerOptions, MaxSessions>; ServerManager g_server_manager; void RegisterServiceSessions() { R_ABORT_UNLESS(g_server_manager.RegisterObjectForServer(g_pm_service.GetShared(), ProcessManagerServiceName, ProcessManagerMaxSessions)); R_ABORT_UNLESS(g_server_manager.RegisterObjectForServer(g_shell_service.GetShared(), ShellServiceName, ShellMaxSessions)); R_ABORT_UNLESS(g_server_manager.RegisterObjectForServer(g_dmnt_service.GetShared(), DebugMonitorServiceName, DebugMonitorMaxSessions)); } void LoopProcess() { g_server_manager.LoopProcess(); } } } 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; ams::ldr::InitializeHeap(); } void __appInit(void) { hos::InitializeForStratosphere(); fs::SetAllocator(ldr::Allocate, ldr::Deallocate); /* Initialize services we need. */ sm::DoWithSession([&]() { R_ABORT_UNLESS(fsInitialize()); lr::Initialize(); R_ABORT_UNLESS(fsldrInitialize()); spl::Initialize(); }); ams::CheckApiVersion(); } void __appExit(void) { /* Cleanup services. */ spl::Finalize(); fsldrExit(); 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) { return ldr::Allocate(size); } void operator delete(void *p) { return ldr::Deallocate(p, 0); } 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"); } int main(int argc, char **argv) { /* Disable auto-abort in fs operations. */ fs::SetEnabledAutoAbort(false); /* Set thread name. */ os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(ldr, Main)); AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(ldr, Main)); /* Configure development. */ /* NOTE: Nintendo really does call the getter function three times instead of caching the value. */ ldr::SetDevelopmentForAcidProductionCheck(spl::IsDevelopment()); ldr::SetDevelopmentForAntiDowngradeCheck(spl::IsDevelopment()); ldr::SetDevelopmentForAcidSignatureCheck(spl::IsDevelopment()); /* Register the loader services. */ ldr::RegisterServiceSessions(); /* Loop forever, servicing our services. */ ldr::LoopProcess(); return 0; }