mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-24 03:06:17 +00:00
121 lines
5.4 KiB
C++
121 lines
5.4 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 <stratosphere/fssrv/fssrv_interface_adapters.hpp>
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#include "fs_library.hpp"
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#include "fs_file_system_service_object_adapter.hpp"
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#include "../../fssrv/impl/fssrv_allocator_for_service_framework.hpp"
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namespace ams::fs::impl {
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#if !defined(ATMOSPHERE_OS_HORIZON)
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namespace {
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constexpr size_t SystemHeapSize = 8_MB;
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alignas(os::MemoryPageSize) constinit u8 g_system_heap[SystemHeapSize];
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ALWAYS_INLINE auto &GetSystemHeapAllocator() {
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AMS_FUNCTION_LOCAL_STATIC(mem::StandardAllocator, s_system_heap_allocator, g_system_heap, sizeof(g_system_heap));
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return s_system_heap_allocator;
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}
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constinit util::optional<fssrv::MemoryResourceFromStandardAllocator> g_system_heap_memory_resource;
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void *AllocateForSystem(size_t size) { return g_system_heap_memory_resource->Allocate(size); }
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void DeallocateForSystem(void *p, size_t size) { return g_system_heap_memory_resource->Deallocate(p, size); }
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[[maybe_unused]] constexpr size_t BufferPoolSize = 6_MB;
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[[maybe_unused]] constexpr size_t DeviceBufferSize = 8_MB;
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[[maybe_unused]] constexpr size_t DeviceWorkBufferSize = os::MemoryPageSize;
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[[maybe_unused]] constexpr size_t BufferManagerHeapSize = 14_MB;
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constexpr size_t DeviceWorkBufferRequiredSize = 0x140;
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static_assert(util::IsAligned(BufferManagerHeapSize, os::MemoryBlockUnitSize));
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//alignas(os::MemoryPageSize) u8 g_buffer_pool[BufferPoolSize];
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alignas(os::MemoryPageSize) u8 g_device_buffer[DeviceBufferSize];
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alignas(os::MemoryPageSize) u8 g_device_work_buffer[DeviceWorkBufferSize];
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//alignas(os::MemoryPageSize) u8 g_buffer_manager_heap[BufferManagerHeapSize];
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//
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//alignas(os::MemoryPageSize) u8 g_buffer_manager_work_buffer[64_KB];
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/* TODO: Other work buffers. */
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/* TODO: Implement pooled threads. */
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// constexpr int PooledThreadCount = 12;
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// constexpr size_t PooledThreadStackSize = 32_KB;
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// fssystem::PooledThread g_pooled_threads[PooledThreadCount];
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/* FileSystem creators. */
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constinit util::optional<fssrv::fscreator::LocalFileSystemCreator> g_local_fs_creator;
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constinit util::optional<fssrv::fscreator::SubDirectoryFileSystemCreator> g_subdir_fs_creator;
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constinit fssrv::fscreator::FileSystemCreatorInterfaces g_fs_creator_interfaces = {};
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Result InitializeFileSystemLibraryImpl() {
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/* Set system allocator. */
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fssystem::InitializeAllocator(::ams::fs::impl::Allocate, ::ams::fs::impl::Deallocate);
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fssystem::InitializeAllocatorForSystem(::ams::fs::impl::AllocateForSystem, ::ams::fs::impl::DeallocateForSystem);
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/* TODO: Many things. */
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g_system_heap_memory_resource.emplace(std::addressof(GetSystemHeapAllocator()));
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fssystem::InitializeBufferPool(reinterpret_cast<char *>(g_device_buffer), DeviceBufferSize, reinterpret_cast<char *>(g_device_work_buffer), DeviceWorkBufferRequiredSize);
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/* Setup fscreators/interfaces. */
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g_local_fs_creator.emplace(true);
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g_subdir_fs_creator.emplace();
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g_fs_creator_interfaces.local_fs_creator = std::addressof(*g_local_fs_creator);
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g_fs_creator_interfaces.subdir_fs_creator = std::addressof(*g_subdir_fs_creator);
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/* Initialize fssrv. */
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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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R_SUCCEED();
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}
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class FileSystemLibraryInitializer {
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public:
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FileSystemLibraryInitializer() {
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R_ABORT_UNLESS(InitializeFileSystemLibraryImpl());
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}
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};
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}
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#endif
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void InitializeFileSystemLibrary() {
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#if !defined(ATMOSPHERE_OS_HORIZON)
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AMS_FUNCTION_LOCAL_STATIC(FileSystemLibraryInitializer, s_library_initializer);
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AMS_UNUSED(s_library_initializer);
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#endif
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}
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}
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