diff options
Diffstat (limited to 'src/core/hle/kernel/kernel.cpp')
| -rw-r--r-- | src/core/hle/kernel/kernel.cpp | 127 |
1 files changed, 108 insertions, 19 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 09c36ee09..47b760a9c 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -28,10 +28,12 @@ #include "core/hle/kernel/k_handle_table.h" #include "core/hle/kernel/k_memory_layout.h" #include "core/hle/kernel/k_memory_manager.h" +#include "core/hle/kernel/k_page_buffer.h" #include "core/hle/kernel/k_process.h" #include "core/hle/kernel/k_resource_limit.h" #include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/k_shared_memory.h" +#include "core/hle/kernel/k_system_resource.h" #include "core/hle/kernel/k_thread.h" #include "core/hle/kernel/k_worker_task_manager.h" #include "core/hle/kernel/kernel.h" @@ -47,6 +49,11 @@ MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70)); namespace Kernel { struct KernelCore::Impl { + static constexpr size_t ApplicationMemoryBlockSlabHeapSize = 20000; + static constexpr size_t SystemMemoryBlockSlabHeapSize = 10000; + static constexpr size_t BlockInfoSlabHeapSize = 4000; + static constexpr size_t ReservedDynamicPageCount = 64; + explicit Impl(Core::System& system_, KernelCore& kernel_) : time_manager{system_}, service_threads_manager{1, "ServiceThreadsManager"}, service_thread_barrier{2}, system{system_} {} @@ -71,7 +78,6 @@ struct KernelCore::Impl { // Initialize kernel memory and resources. InitializeSystemResourceLimit(kernel, system.CoreTiming()); InitializeMemoryLayout(); - Init::InitializeKPageBufferSlabHeap(system); InitializeShutdownThreads(); InitializePhysicalCores(); InitializePreemption(kernel); @@ -81,7 +87,8 @@ struct KernelCore::Impl { const auto& pt_heap_region = memory_layout->GetPageTableHeapRegion(); ASSERT(pt_heap_region.GetEndAddress() != 0); - InitializeResourceManagers(pt_heap_region.GetAddress(), pt_heap_region.GetSize()); + InitializeResourceManagers(kernel, pt_heap_region.GetAddress(), + pt_heap_region.GetSize()); } RegisterHostThread(); @@ -253,16 +260,82 @@ struct KernelCore::Impl { system.CoreTiming().ScheduleLoopingEvent(time_interval, time_interval, preemption_event); } - void InitializeResourceManagers(VAddr address, size_t size) { - dynamic_page_manager = std::make_unique<KDynamicPageManager>(); - memory_block_heap = std::make_unique<KMemoryBlockSlabHeap>(); + void InitializeResourceManagers(KernelCore& kernel, VAddr address, size_t size) { + // Ensure that the buffer is suitable for our use. + ASSERT(Common::IsAligned(address, PageSize)); + ASSERT(Common::IsAligned(size, PageSize)); + + // Ensure that we have space for our reference counts. + const size_t rc_size = + Common::AlignUp(KPageTableSlabHeap::CalculateReferenceCountSize(size), PageSize); + ASSERT(rc_size < size); + size -= rc_size; + + // Initialize the resource managers' shared page manager. + resource_manager_page_manager = std::make_unique<KDynamicPageManager>(); + resource_manager_page_manager->Initialize( + address, size, std::max<size_t>(PageSize, KPageBufferSlabHeap::BufferSize)); + + // Initialize the KPageBuffer slab heap. + page_buffer_slab_heap.Initialize(system); + + // Initialize the fixed-size slabheaps. + app_memory_block_heap = std::make_unique<KMemoryBlockSlabHeap>(); + sys_memory_block_heap = std::make_unique<KMemoryBlockSlabHeap>(); + block_info_heap = std::make_unique<KBlockInfoSlabHeap>(); + app_memory_block_heap->Initialize(resource_manager_page_manager.get(), + ApplicationMemoryBlockSlabHeapSize); + sys_memory_block_heap->Initialize(resource_manager_page_manager.get(), + SystemMemoryBlockSlabHeapSize); + block_info_heap->Initialize(resource_manager_page_manager.get(), BlockInfoSlabHeapSize); + + // Reserve all but a fixed number of remaining pages for the page table heap. + const size_t num_pt_pages = resource_manager_page_manager->GetCount() - + resource_manager_page_manager->GetUsed() - + ReservedDynamicPageCount; + page_table_heap = std::make_unique<KPageTableSlabHeap>(); + + // TODO(bunnei): Pass in address once we support kernel virtual memory allocations. + page_table_heap->Initialize( + resource_manager_page_manager.get(), num_pt_pages, + /*GetPointer<KPageTableManager::RefCount>(address + size)*/ nullptr); + + // Setup the slab managers. + KDynamicPageManager* const app_dynamic_page_manager = nullptr; + KDynamicPageManager* const sys_dynamic_page_manager = + /*KTargetSystem::IsDynamicResourceLimitsEnabled()*/ true + ? resource_manager_page_manager.get() + : nullptr; app_memory_block_manager = std::make_unique<KMemoryBlockSlabManager>(); - - dynamic_page_manager->Initialize(address, size); - static constexpr size_t ApplicationMemoryBlockSlabHeapSize = 20000; - memory_block_heap->Initialize(dynamic_page_manager.get(), - ApplicationMemoryBlockSlabHeapSize); - app_memory_block_manager->Initialize(nullptr, memory_block_heap.get()); + sys_memory_block_manager = std::make_unique<KMemoryBlockSlabManager>(); + app_block_info_manager = std::make_unique<KBlockInfoManager>(); + sys_block_info_manager = std::make_unique<KBlockInfoManager>(); + app_page_table_manager = std::make_unique<KPageTableManager>(); + sys_page_table_manager = std::make_unique<KPageTableManager>(); + + app_memory_block_manager->Initialize(app_dynamic_page_manager, app_memory_block_heap.get()); + sys_memory_block_manager->Initialize(sys_dynamic_page_manager, sys_memory_block_heap.get()); + + app_block_info_manager->Initialize(app_dynamic_page_manager, block_info_heap.get()); + sys_block_info_manager->Initialize(sys_dynamic_page_manager, block_info_heap.get()); + + app_page_table_manager->Initialize(app_dynamic_page_manager, page_table_heap.get()); + sys_page_table_manager->Initialize(sys_dynamic_page_manager, page_table_heap.get()); + + // Check that we have the correct number of dynamic pages available. + ASSERT(resource_manager_page_manager->GetCount() - + resource_manager_page_manager->GetUsed() == + ReservedDynamicPageCount); + + // Create the system page table managers. + app_system_resource = std::make_unique<KSystemResource>(kernel); + sys_system_resource = std::make_unique<KSystemResource>(kernel); + + // Set the managers for the system resources. + app_system_resource->SetManagers(*app_memory_block_manager, *app_block_info_manager, + *app_page_table_manager); + sys_system_resource->SetManagers(*sys_memory_block_manager, *sys_block_info_manager, + *sys_page_table_manager); } void InitializeShutdownThreads() { @@ -446,6 +519,9 @@ struct KernelCore::Impl { ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert( misc_region_start, misc_region_size, KMemoryRegionType_KernelMisc)); + // Determine if we'll use extra thread resources. + const bool use_extra_resources = KSystemControl::Init::ShouldIncreaseThreadResourceLimit(); + // Setup the stack region. constexpr size_t StackRegionSize = 14_MiB; constexpr size_t StackRegionAlign = KernelAslrAlignment; @@ -456,7 +532,8 @@ struct KernelCore::Impl { stack_region_start, StackRegionSize, KMemoryRegionType_KernelStack)); // Determine the size of the resource region. - const size_t resource_region_size = memory_layout->GetResourceRegionSizeForInit(); + const size_t resource_region_size = + memory_layout->GetResourceRegionSizeForInit(use_extra_resources); // Determine the size of the slab region. const size_t slab_region_size = @@ -751,6 +828,8 @@ struct KernelCore::Impl { Init::KSlabResourceCounts slab_resource_counts{}; KResourceLimit* system_resource_limit{}; + KPageBufferSlabHeap page_buffer_slab_heap; + std::shared_ptr<Core::Timing::EventType> preemption_event; // This is the kernel's handle table or supervisor handle table which @@ -776,10 +855,20 @@ struct KernelCore::Impl { // Kernel memory management std::unique_ptr<KMemoryManager> memory_manager; - // Dynamic slab managers - std::unique_ptr<KDynamicPageManager> dynamic_page_manager; - std::unique_ptr<KMemoryBlockSlabHeap> memory_block_heap; + // Resource managers + std::unique_ptr<KDynamicPageManager> resource_manager_page_manager; + std::unique_ptr<KPageTableSlabHeap> page_table_heap; + std::unique_ptr<KMemoryBlockSlabHeap> app_memory_block_heap; + std::unique_ptr<KMemoryBlockSlabHeap> sys_memory_block_heap; + std::unique_ptr<KBlockInfoSlabHeap> block_info_heap; + std::unique_ptr<KPageTableManager> app_page_table_manager; + std::unique_ptr<KPageTableManager> sys_page_table_manager; std::unique_ptr<KMemoryBlockSlabManager> app_memory_block_manager; + std::unique_ptr<KMemoryBlockSlabManager> sys_memory_block_manager; + std::unique_ptr<KBlockInfoManager> app_block_info_manager; + std::unique_ptr<KBlockInfoManager> sys_block_info_manager; + std::unique_ptr<KSystemResource> app_system_resource; + std::unique_ptr<KSystemResource> sys_system_resource; // Shared memory for services Kernel::KSharedMemory* hid_shared_mem{}; @@ -1057,12 +1146,12 @@ const KMemoryManager& KernelCore::MemoryManager() const { return *impl->memory_manager; } -KMemoryBlockSlabManager& KernelCore::GetApplicationMemoryBlockManager() { - return *impl->app_memory_block_manager; +KSystemResource& KernelCore::GetSystemSystemResource() { + return *impl->sys_system_resource; } -const KMemoryBlockSlabManager& KernelCore::GetApplicationMemoryBlockManager() const { - return *impl->app_memory_block_manager; +const KSystemResource& KernelCore::GetSystemSystemResource() const { + return *impl->sys_system_resource; } Kernel::KSharedMemory& KernelCore::GetHidSharedMem() { |