mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-29 00:01:18 +00:00
287 lines
13 KiB
C++
287 lines
13 KiB
C++
/*
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* Copyright (c) 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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#include "../fssrv/impl/fssrv_program_registry_manager.hpp"
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namespace ams::fssystem {
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/* TODO: All of this should really be inside fs process, but ams.mitm wants it to. */
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/* How should we handle this? */
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namespace {
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constexpr inline auto FileSystemProxyServerThreadCount = fssrv::FileSystemProxyServerActiveSessionCount;
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/* TODO: Heap sizes need to match FS, when this is FS in master rather than ams.mitm. */
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/* Official FS has a 4.5 MB exp heap, a 6 MB buffer pool, an 8 MB device buffer manager heap, and a 14 MB buffer manager heap. */
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/* We don't need so much memory for ams.mitm (as we're servicing a much more limited context). */
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/* We'll give ourselves a 1.5 MB exp heap, a 1 MB buffer pool, a 1 MB device buffer manager heap, and a 1 MB buffer manager heap. */
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/* These numbers are 1 MB less than signed-system-partition safe FS in all pools. */
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constexpr size_t ExpHeapSize = 1_MB + 512_KB;
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constexpr size_t BufferPoolSize = 1_MB;
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constexpr size_t DeviceBufferSize = 1_MB;
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constexpr size_t BufferManagerHeapSize = 1_MB;
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constexpr size_t MaxCacheCount = 1024;
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constexpr size_t BlockSize = 16_KB;
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alignas(os::MemoryPageSize) constinit u8 g_exp_heap_buffer[ExpHeapSize];
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constinit lmem::HeapHandle g_exp_heap_handle = nullptr;
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constinit fssrv::PeakCheckableMemoryResourceFromExpHeap g_exp_allocator(ExpHeapSize);
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void InitializeExpHeap() {
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if (g_exp_heap_handle == nullptr) {
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g_exp_heap_handle = lmem::CreateExpHeap(g_exp_heap_buffer, ExpHeapSize, lmem::CreateOption_ThreadSafe);
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AMS_ABORT_UNLESS(g_exp_heap_handle != nullptr);
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g_exp_allocator.SetHeapHandle(g_exp_heap_handle);
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}
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}
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void *AllocateForFileSystemProxy(size_t size) {
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AMS_ABORT_UNLESS(g_exp_heap_handle != nullptr);
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auto scoped_lock = g_exp_allocator.GetScopedLock();
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void *p = lmem::AllocateFromExpHeap(g_exp_heap_handle, size);
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g_exp_allocator.OnAllocate(p, size);
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return p;
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}
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void DeallocateForFileSystemProxy(void *p, size_t size) {
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AMS_ABORT_UNLESS(g_exp_heap_handle != nullptr);
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auto scoped_lock = g_exp_allocator.GetScopedLock();
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g_exp_allocator.OnDeallocate(p, size);
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lmem::FreeToExpHeap(g_exp_heap_handle, p);
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}
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alignas(os::MemoryPageSize) constinit u8 g_device_buffer[DeviceBufferSize] = {};
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alignas(os::MemoryPageSize) constinit u8 g_buffer_pool[BufferPoolSize] = {};
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constinit util::TypedStorage<mem::StandardAllocator> g_buffer_allocator = {};
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constinit util::TypedStorage<fssrv::MemoryResourceFromStandardAllocator> g_allocator = {};
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/* TODO: Nintendo uses os::SetMemoryHeapSize (svc::SetHeapSize) and os::AllocateMemoryBlock for the BufferManager heap. */
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/* It's unclear how we should handle this in ams.mitm (especially hoping to reuse some logic for fs reimpl). */
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/* Should we be doing the same(?) */
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constinit util::TypedStorage<fssystem::FileSystemBufferManager> g_buffer_manager = {};
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alignas(os::MemoryPageSize) constinit u8 g_buffer_manager_heap[BufferManagerHeapSize] = {};
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/* FileSystem creators. */
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constinit util::TypedStorage<fssrv::fscreator::RomFileSystemCreator> g_rom_fs_creator = {};
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constinit util::TypedStorage<fssrv::fscreator::PartitionFileSystemCreator> g_partition_fs_creator = {};
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constinit util::TypedStorage<fssrv::fscreator::StorageOnNcaCreator> g_storage_on_nca_creator = {};
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constinit fssrv::fscreator::FileSystemCreatorInterfaces g_fs_creator_interfaces = {};
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}
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void InitializeForFileSystemProxy() {
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/* TODO FS-REIMPL: Setup MainThreadStackUsageReporter. */
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/* Register service context for main thread. */
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fssystem::ServiceContext context;
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fssystem::RegisterServiceContext(std::addressof(context));
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/* Initialize spl library. */
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spl::InitializeForFs();
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/* TODO FS-REIMPL: spl::SetIsAvailableAccessKeyHandler(fssrv::IsAvailableAccessKey) */
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/* Determine whether we're prod or dev. */
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bool is_prod = !spl::IsDevelopment();
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bool is_development_function_enabled = spl::IsDevelopmentFunctionEnabled();
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/* Set debug flags. */
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fssrv::SetDebugFlagEnabled(is_development_function_enabled);
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/* Setup our crypto configuration. */
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SetUpKekAccessKeys(is_prod);
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/* Setup our heap. */
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InitializeExpHeap();
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/* Initialize buffer allocator. */
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util::ConstructAt(g_buffer_allocator, g_buffer_pool, BufferPoolSize);
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util::ConstructAt(g_allocator, GetPointer(g_buffer_allocator));
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/* Set allocators. */
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/* TODO FS-REIMPL: sf::SetGlobalDefaultMemoryResource() */
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fs::SetAllocator(AllocateForFileSystemProxy, DeallocateForFileSystemProxy);
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fssystem::InitializeAllocator(AllocateForFileSystemProxy, DeallocateForFileSystemProxy);
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fssystem::InitializeAllocatorForSystem(AllocateForFileSystemProxy, DeallocateForFileSystemProxy);
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/* Initialize the buffer manager. */
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/* TODO FS-REIMPL: os::AllocateMemoryBlock(...); */
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util::ConstructAt(g_buffer_manager);
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GetReference(g_buffer_manager).Initialize(MaxCacheCount, reinterpret_cast<uintptr_t>(g_buffer_manager_heap), BufferManagerHeapSize, BlockSize);
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/* TODO FS-REIMPL: os::AllocateMemoryBlock(...); */
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/* TODO FS-REIMPL: fssrv::storage::CreateDeviceAddressSpace(...); */
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fssystem::InitializeBufferPool(reinterpret_cast<char *>(g_device_buffer), DeviceBufferSize);
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/* TODO FS-REIMPL: Create Pooled Threads/Stack Usage Reporter, fssystem::RegisterThreadPool. */
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/* TODO FS-REIMPL: fssrv::GetFileSystemProxyServices(), some service creation. */
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/* Initialize fs creators. */
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/* TODO FS-REIMPL: Revise for accuracy. */
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util::ConstructAt(g_rom_fs_creator, GetPointer(g_allocator));
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util::ConstructAt(g_partition_fs_creator);
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util::ConstructAt(g_storage_on_nca_creator, GetPointer(g_allocator), *GetNcaCryptoConfiguration(is_prod), *GetNcaCompressionConfiguration(), GetPointer(g_buffer_manager), fs::impl::GetNcaHashGeneratorFactorySelector());
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/* TODO FS-REIMPL: Initialize other creators. */
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g_fs_creator_interfaces = {
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.rom_fs_creator = GetPointer(g_rom_fs_creator),
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.partition_fs_creator = GetPointer(g_partition_fs_creator),
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.storage_on_nca_creator = GetPointer(g_storage_on_nca_creator),
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};
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/* TODO FS-REIMPL: Revise above for latest firmware, all the new Services creation. */
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fssrv::ProgramRegistryServiceImpl program_registry_service(fssrv::ProgramRegistryServiceImpl::Configuration{});
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fssrv::ProgramRegistryImpl::Initialize(std::addressof(program_registry_service));
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/* TODO FS-REIMPL: Memory Report Creators, fssrv::SetMemoryReportCreator */
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/* TODO FS-REIMPL: Sd Card detection, speed emulation. */
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/* Initialize fssrv. TODO FS-REIMPL: More arguments, more actions taken. */
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const fssrv::FileSystemProxyConfiguration config = {
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.m_fs_creator_interfaces = std::addressof(g_fs_creator_interfaces),
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.m_base_storage_service_impl = nullptr /* TODO */,
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.m_base_file_system_service_impl = nullptr /* TODO */,
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.m_nca_file_system_service_impl = nullptr /* TODO */,
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.m_save_data_file_system_service_impl = nullptr /* TODO */,
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.m_access_failure_management_service_impl = nullptr /* TODO */,
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.m_time_service_impl = nullptr /* TODO */,
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.m_status_report_service_impl = nullptr /* TODO */,
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.m_program_registry_service_impl = std::addressof(program_registry_service),
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.m_access_log_service_impl = nullptr /* TODO */,
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.m_debug_configuration_service_impl = nullptr /* TODO */,
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};
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fssrv::InitializeForFileSystemProxy(config);
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/* TODO FS-REIMPL: GetFileSystemProxyServiceObject(), set current process, initialize global service object. */
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/* Disable auto-abort in fs library code. */
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fs::SetEnabledAutoAbort(false);
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/* Initialize fsp server. */
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fssrv::InitializeFileSystemProxyServer(FileSystemProxyServerThreadCount);
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/* TODO FS-REIMPL: Cleanup calls. */
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/* TODO FS-REIMPL: Spawn worker threads. */
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/* TODO FS-REIMPL: Set mmc devices ready. */
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/* TODO FS-REIMPL: fssrv::LoopPmEventServer(...); */
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/* TODO FS-REIMPL: Wait/destroy threads. */
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/* TODO FS-REIMPL: spl::Finalize(); */
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}
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void InitializeForAtmosphereMitm() {
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/* Initialize spl library. */
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spl::InitializeForFs();
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/* TODO FS-REIMPL: spl::SetIsAvailableAccessKeyHandler(fssrv::IsAvailableAccessKey) */
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/* Determine whether we're prod or dev. */
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bool is_prod = !spl::IsDevelopment();
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bool is_development_function_enabled = spl::IsDevelopmentFunctionEnabled();
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/* Set debug flags. */
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fssrv::SetDebugFlagEnabled(is_development_function_enabled);
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/* Setup our crypto configuration. */
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SetUpKekAccessKeys(is_prod);
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/* Setup our heap. */
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InitializeExpHeap();
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/* Initialize buffer allocator. */
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util::ConstructAt(g_buffer_allocator, g_buffer_pool, BufferPoolSize);
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util::ConstructAt(g_allocator, GetPointer(g_buffer_allocator));
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/* Set allocators. */
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/* TODO FS-REIMPL: sf::SetGlobalDefaultMemoryResource() */
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fs::SetAllocator(AllocateForFileSystemProxy, DeallocateForFileSystemProxy);
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fssystem::InitializeAllocator(AllocateForFileSystemProxy, DeallocateForFileSystemProxy);
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fssystem::InitializeAllocatorForSystem(AllocateForFileSystemProxy, DeallocateForFileSystemProxy);
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/* Initialize the buffer manager. */
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/* TODO FS-REIMPL: os::AllocateMemoryBlock(...); */
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util::ConstructAt(g_buffer_manager);
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GetReference(g_buffer_manager).Initialize(MaxCacheCount, reinterpret_cast<uintptr_t>(g_buffer_manager_heap), BufferManagerHeapSize, BlockSize);
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/* TODO FS-REIMPL: os::AllocateMemoryBlock(...); */
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/* TODO FS-REIMPL: fssrv::storage::CreateDeviceAddressSpace(...); */
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fssystem::InitializeBufferPool(reinterpret_cast<char *>(g_device_buffer), DeviceBufferSize);
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/* TODO FS-REIMPL: Create Pooled Threads/Stack Usage Reporter, fssystem::RegisterThreadPool. */
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/* TODO FS-REIMPL: fssrv::GetFileSystemProxyServices(), some service creation. */
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/* Initialize fs creators. */
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/* TODO FS-REIMPL: Revise for accuracy. */
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util::ConstructAt(g_rom_fs_creator, GetPointer(g_allocator));
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util::ConstructAt(g_partition_fs_creator);
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util::ConstructAt(g_storage_on_nca_creator, GetPointer(g_allocator), *GetNcaCryptoConfiguration(is_prod), *GetNcaCompressionConfiguration(), GetPointer(g_buffer_manager), fs::impl::GetNcaHashGeneratorFactorySelector());
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/* TODO FS-REIMPL: Initialize other creators. */
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g_fs_creator_interfaces = {
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.rom_fs_creator = GetPointer(g_rom_fs_creator),
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.partition_fs_creator = GetPointer(g_partition_fs_creator),
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.storage_on_nca_creator = GetPointer(g_storage_on_nca_creator),
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};
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/* Initialize fssrv. TODO FS-REIMPL: More arguments, more actions taken. */
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const fssrv::FileSystemProxyConfiguration config = {
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.m_fs_creator_interfaces = std::addressof(g_fs_creator_interfaces),
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.m_base_storage_service_impl = nullptr /* TODO */,
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.m_base_file_system_service_impl = nullptr /* TODO */,
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.m_nca_file_system_service_impl = nullptr /* TODO */,
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.m_save_data_file_system_service_impl = nullptr /* TODO */,
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.m_access_failure_management_service_impl = nullptr /* TODO */,
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.m_time_service_impl = nullptr /* TODO */,
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.m_status_report_service_impl = nullptr /* TODO */,
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.m_program_registry_service_impl = nullptr /* TODO */,
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.m_access_log_service_impl = nullptr /* TODO */,
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.m_debug_configuration_service_impl = nullptr /* TODO */,
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};
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fssrv::InitializeForFileSystemProxy(config);
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/* Disable auto-abort in fs library code. */
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fs::SetEnabledAutoAbort(false);
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/* Quick sanity check, before we leave. */
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#if defined(ATMOSPHERE_OS_HORIZON)
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AMS_ABORT_UNLESS(os::GetCurrentProgramId() == ncm::AtmosphereProgramId::Mitm);
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#endif
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}
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const ::ams::fssrv::fscreator::FileSystemCreatorInterfaces *GetFileSystemCreatorInterfaces() {
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return std::addressof(g_fs_creator_interfaces);
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}
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}
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