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-rw-r--r--src/core/hle/kernel/kernel.cpp121
1 files changed, 103 insertions, 18 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index fc94cb22c..eda4e9e1c 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_} {}
@@ -72,7 +79,6 @@ struct KernelCore::Impl {
// Initialize kernel memory and resources.
InitializeSystemResourceLimit(kernel, system.CoreTiming());
InitializeMemoryLayout();
- Init::InitializeKPageBufferSlabHeap(system);
InitializeShutdownThreads();
InitializePhysicalCores();
InitializePreemption(kernel);
@@ -82,7 +88,8 @@ 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();
@@ -263,16 +270,82 @@ 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() {
@@ -767,6 +840,8 @@ 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
@@ -792,10 +867,20 @@ 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{};
@@ -1073,12 +1158,12 @@ 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() {