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hle: kernel: k_memory_manager: Rework for latest kernel behavior.

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- Updates the KMemoryManager implementation against latest documentation.
- Reworks KMemoryLayout to be accessed throughout the kernel.
- Fixes an issue with pool sizes being incorrectly reported.
This commit is contained in:
bunnei 2022-02-26 10:46:31 -08:00
parent adbb9c2b00
commit f87f076162
6 changed files with 556 additions and 181 deletions
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33
src/core/hle/kernel/kernel.cpp
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@ -70,13 +70,12 @@ struct KernelCore::Impl {
// Derive the initial memory layout from the emulated board
Init::InitializeSlabResourceCounts(kernel);
KMemoryLayout memory_layout;
DeriveInitialMemoryLayout(memory_layout);
DeriveInitialMemoryLayout();
Init::InitializeSlabHeaps(system, memory_layout);
// Initialize kernel memory and resources.
InitializeSystemResourceLimit(kernel, system.CoreTiming(), memory_layout);
InitializeMemoryLayout(memory_layout);
InitializeSystemResourceLimit(kernel, system.CoreTiming());
InitializeMemoryLayout();
InitializePageSlab();
InitializeSchedulers();
InitializeSuspendThreads();
@ -219,8 +218,7 @@ struct KernelCore::Impl {
// Creates the default system resource limit
void InitializeSystemResourceLimit(KernelCore& kernel,
const Core::Timing::CoreTiming& core_timing,
const KMemoryLayout& memory_layout) {
const Core::Timing::CoreTiming& core_timing) {
system_resource_limit = KResourceLimit::Create(system.Kernel());
system_resource_limit->Initialize(&core_timing);
@ -353,7 +351,7 @@ struct KernelCore::Impl {
return schedulers[thread_id]->GetCurrentThread();
}
void DeriveInitialMemoryLayout(KMemoryLayout& memory_layout) {
void DeriveInitialMemoryLayout() {
// Insert the root region for the virtual memory tree, from which all other regions will
// derive.
memory_layout.GetVirtualMemoryRegionTree().InsertDirectly(
@ -616,20 +614,16 @@ struct KernelCore::Impl {
linear_region_start);
}
void InitializeMemoryLayout(const KMemoryLayout& memory_layout) {
void InitializeMemoryLayout() {
const auto system_pool = memory_layout.GetKernelSystemPoolRegionPhysicalExtents();
const auto applet_pool = memory_layout.GetKernelAppletPoolRegionPhysicalExtents();
const auto application_pool = memory_layout.GetKernelApplicationPoolRegionPhysicalExtents();
// Initialize memory managers
// Initialize the memory manager.
memory_manager = std::make_unique<KMemoryManager>(system);
memory_manager->InitializeManager(KMemoryManager::Pool::Application,
application_pool.GetAddress(),
application_pool.GetEndAddress());
memory_manager->InitializeManager(KMemoryManager::Pool::Applet, applet_pool.GetAddress(),
applet_pool.GetEndAddress());
memory_manager->InitializeManager(KMemoryManager::Pool::System, system_pool.GetAddress(),
system_pool.GetEndAddress());
const auto& management_region = memory_layout.GetPoolManagementRegion();
ASSERT(management_region.GetEndAddress() != 0);
memory_manager->Initialize(management_region.GetAddress(), management_region.GetSize());
// Setup memory regions for emulated processes
// TODO(bunnei): These should not be hardcoded regions initialized within the kernel
@ -770,6 +764,9 @@ struct KernelCore::Impl {
Kernel::KSharedMemory* irs_shared_mem{};
Kernel::KSharedMemory* time_shared_mem{};
// Memory layout
KMemoryLayout memory_layout;
// Threads used for services
std::unordered_set<std::shared_ptr<Kernel::ServiceThread>> service_threads;
Common::ThreadWorker service_threads_manager;
@ -1135,6 +1132,10 @@ const KWorkerTaskManager& KernelCore::WorkerTaskManager() const {
return impl->worker_task_manager;
}
const KMemoryLayout& KernelCore::MemoryLayout() const {
return impl->memory_layout;
}
bool KernelCore::IsPhantomModeForSingleCore() const {
return impl->IsPhantomModeForSingleCore();
}