diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index abeb5859b5..e7fe675cbf 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -190,6 +190,9 @@ add_library(core STATIC
hle/kernel/k_code_memory.h
hle/kernel/k_condition_variable.cpp
hle/kernel/k_condition_variable.h
+ hle/kernel/k_dynamic_page_manager.h
+ hle/kernel/k_dynamic_resource_manager.h
+ hle/kernel/k_dynamic_slab_heap.h
hle/kernel/k_event.cpp
hle/kernel/k_event.h
hle/kernel/k_handle_table.cpp
diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index 953d964399..29ba562dce 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -134,6 +134,14 @@ void ARM_Interface::Run() {
}
system.ExitDynarmicProfile();
+ // If the thread is scheduled for termination, exit the thread.
+ if (current_thread->HasDpc()) {
+ if (current_thread->IsTerminationRequested()) {
+ current_thread->Exit();
+ UNREACHABLE();
+ }
+ }
+
// Notify the debugger and go to sleep if a breakpoint was hit,
// or if the thread is unable to continue for any reason.
if (Has(hr, breakpoint) || Has(hr, no_execute)) {
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 1deeee1545..7fb8bc0195 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -133,6 +133,50 @@ struct System::Impl {
: kernel{system}, fs_controller{system}, memory{system}, hid_core{}, room_network{},
cpu_manager{system}, reporter{system}, applet_manager{system}, time_manager{system} {}
+ void Initialize(System& system) {
+ device_memory = std::make_unique<Core::DeviceMemory>();
+
+ is_multicore = Settings::values.use_multi_core.GetValue();
+
+ core_timing.SetMulticore(is_multicore);
+ core_timing.Initialize([&system]() { system.RegisterHostThread(); });
+
+ const auto posix_time = std::chrono::system_clock::now().time_since_epoch();
+ const auto current_time =
+ std::chrono::duration_cast<std::chrono::seconds>(posix_time).count();
+ Settings::values.custom_rtc_differential =
+ Settings::values.custom_rtc.value_or(current_time) - current_time;
+
+ // Create a default fs if one doesn't already exist.
+ if (virtual_filesystem == nullptr) {
+ virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
+ }
+ if (content_provider == nullptr) {
+ content_provider = std::make_unique<FileSys::ContentProviderUnion>();
+ }
+
+ // Create default implementations of applets if one is not provided.
+ applet_manager.SetDefaultAppletsIfMissing();
+
+ is_async_gpu = Settings::values.use_asynchronous_gpu_emulation.GetValue();
+
+ kernel.SetMulticore(is_multicore);
+ cpu_manager.SetMulticore(is_multicore);
+ cpu_manager.SetAsyncGpu(is_async_gpu);
+ }
+
+ void ReinitializeIfNecessary(System& system) {
+ if (is_multicore == Settings::values.use_multi_core.GetValue()) {
+ return;
+ }
+
+ LOG_DEBUG(Kernel, "Re-initializing");
+
+ is_multicore = Settings::values.use_multi_core.GetValue();
+
+ Initialize(system);
+ }
+
SystemResultStatus Run() {
std::unique_lock<std::mutex> lk(suspend_guard);
status = SystemResultStatus::Success;
@@ -178,37 +222,14 @@ struct System::Impl {
debugger = std::make_unique<Debugger>(system, port);
}
- SystemResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
+ SystemResultStatus SetupForMainProcess(System& system, Frontend::EmuWindow& emu_window) {
LOG_DEBUG(Core, "initialized OK");
- device_memory = std::make_unique<Core::DeviceMemory>();
-
- is_multicore = Settings::values.use_multi_core.GetValue();
- is_async_gpu = Settings::values.use_asynchronous_gpu_emulation.GetValue();
-
- kernel.SetMulticore(is_multicore);
- cpu_manager.SetMulticore(is_multicore);
- cpu_manager.SetAsyncGpu(is_async_gpu);
- core_timing.SetMulticore(is_multicore);
+ // Setting changes may require a full system reinitialization (e.g., disabling multicore).
+ ReinitializeIfNecessary(system);
kernel.Initialize();
cpu_manager.Initialize();
- core_timing.Initialize([&system]() { system.RegisterHostThread(); });
-
- const auto posix_time = std::chrono::system_clock::now().time_since_epoch();
- const auto current_time =
- std::chrono::duration_cast<std::chrono::seconds>(posix_time).count();
- Settings::values.custom_rtc_differential =
- Settings::values.custom_rtc.value_or(current_time) - current_time;
-
- // Create a default fs if one doesn't already exist.
- if (virtual_filesystem == nullptr)
- virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
- if (content_provider == nullptr)
- content_provider = std::make_unique<FileSys::ContentProviderUnion>();
-
- /// Create default implementations of applets if one is not provided.
- applet_manager.SetDefaultAppletsIfMissing();
/// Reset all glue registrations
arp_manager.ResetAll();
@@ -253,11 +274,11 @@ struct System::Impl {
return SystemResultStatus::ErrorGetLoader;
}
- SystemResultStatus init_result{Init(system, emu_window)};
+ SystemResultStatus init_result{SetupForMainProcess(system, emu_window)};
if (init_result != SystemResultStatus::Success) {
LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
static_cast<int>(init_result));
- Shutdown();
+ ShutdownMainProcess();
return init_result;
}
@@ -276,7 +297,7 @@ struct System::Impl {
const auto [load_result, load_parameters] = app_loader->Load(*main_process, system);
if (load_result != Loader::ResultStatus::Success) {
LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", load_result);
- Shutdown();
+ ShutdownMainProcess();
return static_cast<SystemResultStatus>(
static_cast<u32>(SystemResultStatus::ErrorLoader) + static_cast<u32>(load_result));
@@ -335,7 +356,7 @@ struct System::Impl {
return status;
}
- void Shutdown() {
+ void ShutdownMainProcess() {
SetShuttingDown(true);
// Log last frame performance stats if game was loded
@@ -369,7 +390,7 @@ struct System::Impl {
cheat_engine.reset();
telemetry_session.reset();
time_manager.Shutdown();
- core_timing.Shutdown();
+ core_timing.ClearPendingEvents();
app_loader.reset();
audio_core.reset();
gpu_core.reset();
@@ -377,7 +398,6 @@ struct System::Impl {
perf_stats.reset();
kernel.Shutdown();
memory.Reset();
- applet_manager.ClearAll();
if (auto room_member = room_network.GetRoomMember().lock()) {
Network::GameInfo game_info{};
@@ -520,6 +540,10 @@ const CpuManager& System::GetCpuManager() const {
return impl->cpu_manager;
}
+void System::Initialize() {
+ impl->Initialize(*this);
+}
+
SystemResultStatus System::Run() {
return impl->Run();
}
@@ -540,8 +564,8 @@ void System::InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size) {
impl->kernel.InvalidateCpuInstructionCacheRange(addr, size);
}
-void System::Shutdown() {
- impl->Shutdown();
+void System::ShutdownMainProcess() {
+ impl->ShutdownMainProcess();
}
bool System::IsShuttingDown() const {
diff --git a/src/core/core.h b/src/core/core.h
index 7843cc8ad9..4ebedffd91 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -142,6 +142,12 @@ public:
System(System&&) = delete;
System& operator=(System&&) = delete;
+ /**
+ * Initializes the system
+ * This function will initialize core functionaility used for system emulation
+ */
+ void Initialize();
+
/**
* Run the OS and Application
* This function will start emulation and run the relevant devices
@@ -166,8 +172,8 @@ public:
void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
- /// Shutdown the emulated system.
- void Shutdown();
+ /// Shutdown the main emulated process.
+ void ShutdownMainProcess();
/// Check if the core is shutting down.
[[nodiscard]] bool IsShuttingDown() const;
diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp
index 2678ce5328..0e7b5f9436 100644
--- a/src/core/core_timing.cpp
+++ b/src/core/core_timing.cpp
@@ -40,7 +40,9 @@ struct CoreTiming::Event {
CoreTiming::CoreTiming()
: clock{Common::CreateBestMatchingClock(Hardware::BASE_CLOCK_RATE, Hardware::CNTFREQ)} {}
-CoreTiming::~CoreTiming() = default;
+CoreTiming::~CoreTiming() {
+ Reset();
+}
void CoreTiming::ThreadEntry(CoreTiming& instance) {
constexpr char name[] = "HostTiming";
@@ -53,6 +55,7 @@ void CoreTiming::ThreadEntry(CoreTiming& instance) {
}
void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
+ Reset();
on_thread_init = std::move(on_thread_init_);
event_fifo_id = 0;
shutting_down = false;
@@ -65,17 +68,8 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
}
}
-void CoreTiming::Shutdown() {
- paused = true;
- shutting_down = true;
- pause_event.Set();
- event.Set();
- if (timer_thread) {
- timer_thread->join();
- }
- ClearPendingEvents();
- timer_thread.reset();
- has_started = false;
+void CoreTiming::ClearPendingEvents() {
+ event_queue.clear();
}
void CoreTiming::Pause(bool is_paused) {
@@ -196,10 +190,6 @@ u64 CoreTiming::GetClockTicks() const {
return CpuCyclesToClockCycles(ticks);
}
-void CoreTiming::ClearPendingEvents() {
- event_queue.clear();
-}
-
void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
std::scoped_lock lock{basic_lock};
@@ -307,6 +297,18 @@ void CoreTiming::ThreadLoop() {
}
}
+void CoreTiming::Reset() {
+ paused = true;
+ shutting_down = true;
+ pause_event.Set();
+ event.Set();
+ if (timer_thread) {
+ timer_thread->join();
+ }
+ timer_thread.reset();
+ has_started = false;
+}
+
std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const {
if (is_multicore) {
return clock->GetTimeNS();
diff --git a/src/core/core_timing.h b/src/core/core_timing.h
index 3259397b28..b5925193c7 100644
--- a/src/core/core_timing.h
+++ b/src/core/core_timing.h
@@ -61,19 +61,14 @@ public:
/// required to end slice - 1 and start slice 0 before the first cycle of code is executed.
void Initialize(std::function<void()>&& on_thread_init_);
- /// Tears down all timing related functionality.
- void Shutdown();
+ /// Clear all pending events. This should ONLY be done on exit.
+ void ClearPendingEvents();
/// Sets if emulation is multicore or single core, must be set before Initialize
void SetMulticore(bool is_multicore_) {
is_multicore = is_multicore_;
}
- /// Check if it's using host timing.
- bool IsHostTiming() const {
- return is_multicore;
- }
-
/// Pauses/Unpauses the execution of the timer thread.
void Pause(bool is_paused);
@@ -136,12 +131,11 @@ public:
private:
struct Event;
- /// Clear all pending events. This should ONLY be done on exit.
- void ClearPendingEvents();
-
static void ThreadEntry(CoreTiming& instance);
void ThreadLoop();
+ void Reset();
+
std::unique_ptr<Common::WallClock> clock;
s64 global_timer = 0;
diff --git a/src/core/device_memory.h b/src/core/device_memory.h
index df61b0c0b6..90510733c8 100644
--- a/src/core/device_memory.h
+++ b/src/core/device_memory.h
@@ -31,12 +31,14 @@ public:
DramMemoryMap::Base;
}
- u8* GetPointer(PAddr addr) {
- return buffer.BackingBasePointer() + (addr - DramMemoryMap::Base);
+ template <typename T>
+ T* GetPointer(PAddr addr) {
+ return reinterpret_cast<T*>(buffer.BackingBasePointer() + (addr - DramMemoryMap::Base));
}
- const u8* GetPointer(PAddr addr) const {
- return buffer.BackingBasePointer() + (addr - DramMemoryMap::Base);
+ template <typename T>
+ const T* GetPointer(PAddr addr) const {
+ return reinterpret_cast<T*>(buffer.BackingBasePointer() + (addr - DramMemoryMap::Base));
}
Common::HostMemory buffer;
diff --git a/src/core/hle/kernel/init/init_slab_setup.cpp b/src/core/hle/kernel/init/init_slab_setup.cpp
index 9b6b284d08..c84d36c8c2 100644
--- a/src/core/hle/kernel/init/init_slab_setup.cpp
+++ b/src/core/hle/kernel/init/init_slab_setup.cpp
@@ -94,8 +94,8 @@ VAddr InitializeSlabHeap(Core::System& system, KMemoryLayout& memory_layout, VAd
// TODO(bunnei): Fix this once we support the kernel virtual memory layout.
if (size > 0) {
- void* backing_kernel_memory{
- system.DeviceMemory().GetPointer(TranslateSlabAddrToPhysical(memory_layout, start))};
+ void* backing_kernel_memory{system.DeviceMemory().GetPointer<void>(
+ TranslateSlabAddrToPhysical(memory_layout, start))};
const KMemoryRegion* region = memory_layout.FindVirtual(start + size - 1);
ASSERT(region != nullptr);
@@ -181,7 +181,7 @@ void InitializeKPageBufferSlabHeap(Core::System& system) {
ASSERT(slab_address != 0);
// Initialize the slabheap.
- KPageBuffer::InitializeSlabHeap(kernel, system.DeviceMemory().GetPointer(slab_address),
+ KPageBuffer::InitializeSlabHeap(kernel, system.DeviceMemory().GetPointer<void>(slab_address),
slab_size);
}
diff --git a/src/core/hle/kernel/k_code_memory.cpp b/src/core/hle/kernel/k_code_memory.cpp
index da57ceb21e..4b1c134d40 100644
--- a/src/core/hle/kernel/k_code_memory.cpp
+++ b/src/core/hle/kernel/k_code_memory.cpp
@@ -34,7 +34,7 @@ Result KCodeMemory::Initialize(Core::DeviceMemory& device_memory, VAddr addr, si
// Clear the memory.
for (const auto& block : m_page_group.Nodes()) {
- std::memset(device_memory.GetPointer(block.GetAddress()), 0xFF, block.GetSize());
+ std::memset(device_memory.GetPointer<void>(block.GetAddress()), 0xFF, block.GetSize());
}
// Set remaining tracking members.
diff --git a/src/core/hle/kernel/k_dynamic_page_manager.h b/src/core/hle/kernel/k_dynamic_page_manager.h
new file mode 100644
index 0000000000..9076c8fa3c
--- /dev/null
+++ b/src/core/hle/kernel/k_dynamic_page_manager.h
@@ -0,0 +1,136 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/alignment.h"
+#include "common/common_types.h"
+#include "core/hle/kernel/k_page_bitmap.h"
+#include "core/hle/kernel/k_spin_lock.h"
+#include "core/hle/kernel/memory_types.h"
+#include "core/hle/kernel/svc_results.h"
+
+namespace Kernel {
+
+class KDynamicPageManager {
+public:
+ class PageBuffer {
+ private:
+ u8 m_buffer[PageSize];
+ };
+ static_assert(sizeof(PageBuffer) == PageSize);
+
+public:
+ KDynamicPageManager() = default;
+
+ template <typename T>
+ T* GetPointer(VAddr addr) {
+ return reinterpret_cast<T*>(m_backing_memory.data() + (addr - m_address));
+ }
+
+ template <typename T>
+ const T* GetPointer(VAddr addr) const {
+ return reinterpret_cast<T*>(m_backing_memory.data() + (addr - m_address));
+ }
+
+ Result Initialize(VAddr addr, size_t sz) {
+ // We need to have positive size.
+ R_UNLESS(sz > 0, ResultOutOfMemory);
+ m_backing_memory.resize(sz);
+
+ // Calculate management overhead.
+ const size_t management_size =
+ KPageBitmap::CalculateManagementOverheadSize(sz / sizeof(PageBuffer));
+ const size_t allocatable_size = sz - management_size;
+
+ // Set tracking fields.
+ m_address = addr;
+ m_size = Common::AlignDown(allocatable_size, sizeof(PageBuffer));
+ m_count = allocatable_size / sizeof(PageBuffer);
+ R_UNLESS(m_count > 0, ResultOutOfMemory);
+
+ // Clear the management region.
+ u64* management_ptr = GetPointer<u64>(m_address + allocatable_size);
+ std::memset(management_ptr, 0, management_size);
+
+ // Initialize the bitmap.
+ m_page_bitmap.Initialize(management_ptr, m_count);
+
+ // Free the pages to the bitmap.
+ for (size_t i = 0; i < m_count; i++) {
+ // Ensure the freed page is all-zero.
+ std::memset(GetPointer<PageBuffer>(m_address) + i, 0, PageSize);
+
+ // Set the bit for the free page.
+ m_page_bitmap.SetBit(i);
+ }
+
+ R_SUCCEED();
+ }
+
+ VAddr GetAddress() const {
+ return m_address;
+ }
+ size_t GetSize() const {
+ return m_size;
+ }
+ size_t GetUsed() const {
+ return m_used;
+ }
+ size_t GetPeak() const {
+ return m_peak;
+ }
+ size_t GetCount() const {
+ return m_count;
+ }
+
+ PageBuffer* Allocate() {
+ // Take the lock.
+ // TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable.
+ KScopedSpinLock lk(m_lock);
+
+ // Find a random free block.
+ s64 soffset = m_page_bitmap.FindFreeBlock(true);
+ if (soffset < 0) [[unlikely]] {
+ return nullptr;
+ }
+
+ const size_t offset = static_cast<size_t>(soffset);
+
+ // Update our tracking.
+ m_page_bitmap.ClearBit(offset);
+ m_peak = std::max(m_peak, (++m_used));
+
+ return GetPointer<PageBuffer>(m_address) + offset;
+ }
+
+ void Free(PageBuffer* pb) {
+ // Ensure all pages in the heap are zero.
+ std::memset(pb, 0, PageSize);
+
+ // Take the lock.
+ // TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable.
+ KScopedSpinLock lk(m_lock);
+
+ // Set the bit for the free page.
+ size_t offset = (reinterpret_cast<uintptr_t>(pb) - m_address) / sizeof(PageBuffer);
+ m_page_bitmap.SetBit(offset);
+
+ // Decrement our used count.
+ --m_used;
+ }
+
+private:
+ KSpinLock m_lock;
+ KPageBitmap m_page_bitmap;
+ size_t m_used{};
+ size_t m_peak{};
+ size_t m_count{};
+ VAddr m_address{};
+ size_t m_size{};
+
+ // TODO(bunnei): Back by host memory until we emulate kernel virtual address space.
+ std::vector<u8> m_backing_memory;
+};
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_dynamic_resource_manager.h b/src/core/hle/kernel/k_dynamic_resource_manager.h
new file mode 100644
index 0000000000..1ce517e8e9
--- /dev/null
+++ b/src/core/hle/kernel/k_dynamic_resource_manager.h
@@ -0,0 +1,58 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/common_funcs.h"
+#include "core/hle/kernel/k_dynamic_slab_heap.h"
+#include "core/hle/kernel/k_memory_block.h"
+
+namespace Kernel {
+
+template <typename T, bool ClearNode = false>
+class KDynamicResourceManager {
+ YUZU_NON_COPYABLE(KDynamicResourceManager);
+ YUZU_NON_MOVEABLE(KDynamicResourceManager);
+
+public:
+ using DynamicSlabType = KDynamicSlabHeap<T, ClearNode>;
+
+public:
+ constexpr KDynamicResourceManager() = default;
+
+ constexpr size_t GetSize() const {
+ return m_slab_heap->GetSize();
+ }
+ constexpr size_t GetUsed() const {
+ return m_slab_heap->GetUsed();
+ }
+ constexpr size_t GetPeak() const {
+ return m_slab_heap->GetPeak();
+ }
+ constexpr size_t GetCount() const {
+ return m_slab_heap->GetCount();
+ }
+
+ void Initialize(KDynamicPageManager* page_allocator, DynamicSlabType* slab_heap) {
+ m_page_allocator = page_allocator;
+ m_slab_heap = slab_heap;
+ }
+
+ T* Allocate() const {
+ return m_slab_heap->Allocate(m_page_allocator);
+ }
+
+ void Free(T* t) const {
+ m_slab_heap->Free(t);
+ }
+
+private:
+ KDynamicPageManager* m_page_allocator{};
+ DynamicSlabType* m_slab_heap{};
+};
+
+class KMemoryBlockSlabManager : public KDynamicResourceManager<KMemoryBlock> {};
+
+using KMemoryBlockSlabHeap = typename KMemoryBlockSlabManager::DynamicSlabType;
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_dynamic_slab_heap.h b/src/core/hle/kernel/k_dynamic_slab_heap.h
new file mode 100644
index 0000000000..3a0ddd0500
--- /dev/null
+++ b/src/core/hle/kernel/k_dynamic_slab_heap.h
@@ -0,0 +1,122 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <atomic>
+
+#include "common/common_funcs.h"
+#include "core/hle/kernel/k_dynamic_page_manager.h"
+#include "core/hle/kernel/k_slab_heap.h"
+
+namespace Kernel {
+
+template <typename T, bool ClearNode = false>
+class KDynamicSlabHeap : protected impl::KSlabHeapImpl {
+ YUZU_NON_COPYABLE(KDynamicSlabHeap);
+ YUZU_NON_MOVEABLE(KDynamicSlabHeap);
+
+public:
+ constexpr KDynamicSlabHeap() = default;
+
+ constexpr VAddr GetAddress() const {
+ return m_address;
+ }
+ constexpr size_t GetSize() const {
+ return m_size;
+ }
+ constexpr size_t GetUsed() const {
+ return m_used.load();
+ }
+ constexpr size_t GetPeak() const {
+ return m_peak.load();
+ }
+ constexpr size_t GetCount() const {
+ return m_count.load();
+ }
+
+ constexpr bool IsInRange(VAddr addr) const {
+ return this->GetAddress() <= addr && addr <= this->GetAddress() + this->GetSize() - 1;
+ }
+
+ void Initialize(KDynamicPageManager* page_allocator, size_t num_objects) {
+ ASSERT(page_allocator != nullptr);
+
+ // Initialize members.
+ m_address = page_allocator->GetAddress();
+ m_size = page_allocator->GetSize();
+
+ // Initialize the base allocator.
+ KSlabHeapImpl::Initialize();
+
+ // Allocate until we have the correct number of objects.
+ while (m_count.load() < num_objects) {
+ auto* allocated = reinterpret_cast<T*>(page_allocator->Allocate());
+ ASSERT(allocated != nullptr);
+
+ for (size_t i = 0; i < sizeof(PageBuffer) / sizeof(T); i++) {
+ KSlabHeapImpl::Free(allocated + i);
+ }
+
+ m_count += sizeof(PageBuffer) / sizeof(T);
+ }
+ }
+
+ T* Allocate(KDynamicPageManager* page_allocator) {
+ T* allocated = static_cast<T*>(KSlabHeapImpl::Allocate());
+
+ // If we successfully allocated and we should clear the node, do so.
+ if constexpr (ClearNode) {
+ if (allocated != nullptr) [[likely]] {
+ reinterpret_cast<KSlabHeapImpl::Node*>(allocated)->next = nullptr;
+ }
+ }
+
+ // If we fail to allocate, try to get a new page from our next allocator.
+ if (allocated == nullptr) [[unlikely]] {
+ if (page_allocator != nullptr) {
+ allocated = reinterpret_cast<T*>(page_allocator->Allocate());
+ if (allocated != nullptr) {
+ // If we succeeded in getting a page, free the rest to our slab.
+ for (size_t i = 1; i < sizeof(PageBuffer) / sizeof(T); i++) {
+ KSlabHeapImpl::Free(allocated + i);
+ }
+ m_count += sizeof(PageBuffer) / sizeof(T);
+ }
+ }
+ }
+
+ if (allocated != nullptr) [[likely]] {
+ // Construct the object.
+ std::construct_at(allocated);
+
+ // Update our tracking.
+ const size_t used = ++m_used;
+ size_t peak = m_peak.load();
+ while (peak < used) {
+ if (m_peak.compare_exchange_weak(peak, used, std::memory_order_relaxed)) {
+ break;
+ }
+ }
+ }
+
+ return allocated;
+ }
+
+ void Free(T* t) {
+ KSlabHeapImpl::Free(t);
+ --m_used;
+ }
+
+private:
+ using PageBuffer = KDynamicPageManager::PageBuffer;
+
+private:
+ std::atomic<size_t> m_used{};
+ std::atomic<size_t> m_peak{};
+ std::atomic<size_t> m_count{};
+ VAddr m_address{};
+ size_t m_size{};
+};
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_interrupt_manager.cpp b/src/core/hle/kernel/k_interrupt_manager.cpp
index 1b577a5b3e..4a6b60d268 100644
--- a/src/core/hle/kernel/k_interrupt_manager.cpp
+++ b/src/core/hle/kernel/k_interrupt_manager.cpp
@@ -11,29 +11,34 @@
namespace Kernel::KInterruptManager {
void HandleInterrupt(KernelCore& kernel, s32 core_id) {
- auto* process = kernel.CurrentProcess();
- if (!process) {
- return;
- }
-
// Acknowledge the interrupt.
kernel.PhysicalCore(core_id).ClearInterrupt();
auto& current_thread = GetCurrentThread(kernel);
- // If the user disable count is set, we may need to pin the current thread.
- if (current_thread.GetUserDisableCount() && !process->GetPinnedThread(core_id)) {
- KScopedSchedulerLock sl{kernel};
+ if (auto* process = kernel.CurrentProcess(); process) {
+ // If the user disable count is set, we may need to pin the current thread.
+ if (current_thread.GetUserDisableCount() && !process->GetPinnedThread(core_id)) {
+ KScopedSchedulerLock sl{kernel};
- // Pin the current thread.
- process->PinCurrentThread(core_id);
+ // Pin the current thread.
+ process->PinCurrentThread(core_id);
- // Set the interrupt flag for the thread.
- GetCurrentThread(kernel).SetInterruptFlag();
+ // Set the interrupt flag for the thread.
+ GetCurrentThread(kernel).SetInterruptFlag();
+ }
}
// Request interrupt scheduling.
kernel.CurrentScheduler()->RequestScheduleOnInterrupt();
}
+void SendInterProcessorInterrupt(KernelCore& kernel, u64 core_mask) {
+ for (std::size_t core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; ++core_id) {
+ if (core_mask & (1ULL << core_id)) {
+ kernel.PhysicalCore(core_id).Interrupt();
+ }
+ }
+}
+
} // namespace Kernel::KInterruptManager
diff --git a/src/core/hle/kernel/k_interrupt_manager.h b/src/core/hle/kernel/k_interrupt_manager.h
index f103dfe3f1..803dc92117 100644
--- a/src/core/hle/kernel/k_interrupt_manager.h
+++ b/src/core/hle/kernel/k_interrupt_manager.h
@@ -11,6 +11,8 @@ class KernelCore;
namespace KInterruptManager {
void HandleInterrupt(KernelCore& kernel, s32 core_id);
-}
+void SendInterProcessorInterrupt(KernelCore& kernel, u64 core_mask);
+
+} // namespace KInterruptManager
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_memory_block.h b/src/core/hle/kernel/k_memory_block.h
index 18df1f836a..9444f6bd28 100644
--- a/src/core/hle/kernel/k_memory_block.h
+++ b/src/core/hle/kernel/k_memory_block.h
@@ -6,6 +6,7 @@
#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_types.h"
+#include "common/intrusive_red_black_tree.h"
#include "core/hle/kernel/memory_types.h"
#include "core/hle/kernel/svc_types.h"
@@ -168,9 +169,8 @@ constexpr KMemoryPermission ConvertToKMemoryPermission(Svc::MemoryPermission per
enum class KMemoryAttribute : u8 {
None = 0x00,
- Mask = 0x7F,
- All = Mask,
- DontCareMask = 0x80,
+ All = 0xFF,
+ UserMask = All,
Locked = static_cast<u8>(Svc::MemoryAttribute::Locked),
IpcLocked = static_cast<u8>(Svc::MemoryAttribute::IpcLocked),
@@ -178,76 +178,112 @@ enum class KMemoryAttribute : u8 {
Uncached = static_cast<u8>(Svc::MemoryAttribute::Uncached),
SetMask = Uncached,
-
- IpcAndDeviceMapped = IpcLocked | DeviceShared,
- LockedAndIpcLocked = Locked | IpcLocked,
- DeviceSharedAndUncached = DeviceShared | Uncached
};
DECLARE_ENUM_FLAG_OPERATORS(KMemoryAttribute);
-static_assert((static_cast<u8>(KMemoryAttribute::Mask) &
- static_cast<u8>(KMemoryAttribute::DontCareMask)) == 0);
+enum class KMemoryBlockDisableMergeAttribute : u8 {
+ None = 0,
+ Normal = (1u << 0),
+ DeviceLeft = (1u << 1),
+ IpcLeft = (1u << 2),
+ Locked = (1u << 3),
+ DeviceRight = (1u << 4),
+
+ AllLeft = Normal | DeviceLeft | IpcLeft | Locked,
+ AllRight = DeviceRight,
+};
+DECLARE_ENUM_FLAG_OPERATORS(KMemoryBlockDisableMergeAttribute);
struct KMemoryInfo {
- VAddr addr{};
- std::size_t size{};
- KMemoryState state{};
- KMemoryPermission perm{};
- KMemoryAttribute attribute{};
- KMemoryPermission original_perm{};
- u16 ipc_lock_count{};
- u16 device_use_count{};
+ uintptr_t m_address;
+ size_t m_size;
+ KMemoryState m_state;
+ u16 m_device_disable_merge_left_count;
+ u16 m_device_disable_merge_right_count;
+ u16 m_ipc_lock_count;
+ u16 m_device_use_count;
+ u16 m_ipc_disable_merge_count;
+ KMemoryPermission m_permission;
+ KMemoryAttribute m_attribute;
+ KMemoryPermission m_original_permission;
+ KMemoryBlockDisableMergeAttribute m_disable_merge_attribute;
constexpr Svc::MemoryInfo GetSvcMemoryInfo() const {
return {
- addr,
- size,
- static_cast<Svc::MemoryState>(state & KMemoryState::Mask),
- static_cast<Svc::MemoryAttribute>(attribute & KMemoryAttribute::Mask),
- static_cast<Svc::MemoryPermission>(perm & KMemoryPermission::UserMask),
- ipc_lock_count,
- device_use_count,
+ .addr = m_address,
+ .size = m_size,
+ .state = static_cast<Svc::MemoryState>(m_state & KMemoryState::Mask),
+ .attr = static_cast<Svc::MemoryAttribute>(m_attribute & KMemoryAttribute::UserMask),
+ .perm = static_cast<Svc::MemoryPermission>(m_permission & KMemoryPermission::UserMask),
+ .ipc_refcount = m_ipc_lock_count,
+ .device_refcount = m_device_use_count,
+ .padding = {},
};
}
- constexpr VAddr GetAddress() const {
- return addr;
+ constexpr uintptr_t GetAddress() const {
+ return m_address;
}
- constexpr std::size_t GetSize() const {
- return size;
+
+ constexpr size_t GetSize() const {
+ return m_size;
}
- constexpr std::size_t GetNumPages() const {
- return GetSize() / PageSize;
+
+ constexpr size_t GetNumPages() const {
+ return this->GetSize() / PageSize;
}
- constexpr VAddr GetEndAddress() const {
- return GetAddress() + GetSize();
+
+ constexpr uintptr_t GetEndAddress() const {
+ return this->GetAddress() + this->GetSize();
}
- constexpr VAddr GetLastAddress() const {
- return GetEndAddress() - 1;
+
+ constexpr uintptr_t GetLastAddress() const {
+ return this->GetEndAddress() - 1;
}
+
+ constexpr u16 GetIpcLockCount() const {
+ return m_ipc_lock_count;
+ }
+
+ constexpr u16 GetIpcDisableMergeCount() const {
+ return m_ipc_disable_merge_count;
+ }
+
constexpr KMemoryState GetState() const {
- return state;
- }
- constexpr KMemoryAttribute GetAttribute() const {
- return attribute;
+ return m_state;
}
+
constexpr KMemoryPermission GetPermission() const {
- return perm;
+ return m_permission;
+ }
+
+ constexpr KMemoryPermission GetOriginalPermission() const {
+ return m_original_permission;
+ }
+
+ constexpr KMemoryAttribute GetAttribute() const {
+ return m_attribute;
+ }
+
+ constexpr KMemoryBlockDisableMergeAttribute GetDisableMergeAttribute() const {
+ return m_disable_merge_attribute;
}
};
-class KMemoryBlock final {
- friend class KMemoryBlockManager;
-
+class KMemoryBlock : public Common::IntrusiveRedBlackTreeBaseNode<KMemoryBlock> {
private:
- VAddr addr{};
- std::size_t num_pages{};
- KMemoryState state{KMemoryState::None};
- u16 ipc_lock_count{};
- u16 device_use_count{};
- KMemoryPermission perm{KMemoryPermission::None};
- KMemoryPermission original_perm{KMemoryPermission::None};
- KMemoryAttribute attribute{KMemoryAttribute::None};
+ u16 m_device_disable_merge_left_count;
+ u16 m_device_disable_merge_right_count;
+ VAddr m_address;
+ size_t m_num_pages;
+ KMemoryState m_memory_state;
+ u16 m_ipc_lock_count;
+ u16 m_device_use_count;
+ u16 m_ipc_disable_merge_count;
+ KMemoryPermission m_permission;
+ KMemoryPermission m_original_permission;
+ KMemoryAttribute m_attribute;
+ KMemoryBlockDisableMergeAttribute m_disable_merge_attribute;
public:
static constexpr int Compare(const KMemoryBlock& lhs, const KMemoryBlock& rhs) {
@@ -261,113 +297,349 @@ public:
}
public:
- constexpr KMemoryBlock() = default;
- constexpr KMemoryBlock(VAddr addr_, std::size_t num_pages_, KMemoryState state_,
- KMemoryPermission perm_, KMemoryAttribute attribute_)
- : addr{addr_}, num_pages(num_pages_), state{state_}, perm{perm_}, attribute{attribute_} {}
-
constexpr VAddr GetAddress() const {
- return addr;
+ return m_address;
}
- constexpr std::size_t GetNumPages() const {
- return num_pages;
+ constexpr size_t GetNumPages() const {
+ return m_num_pages;
}
- constexpr std::size_t GetSize() const {
- return GetNumPages() * PageSize;
+ constexpr size_t GetSize() const {
+ return this->GetNumPages() * PageSize;
}
constexpr VAddr GetEndAddress() const {
- return GetAddress() + GetSize();
+ return this->GetAddress() + this->GetSize();
}
constexpr VAddr GetLastAddress() const {
- return GetEndAddress() - 1;
+ return this->GetEndAddress() - 1;
+ }
+
+ constexpr u16 GetIpcLockCount() const {
+ return m_ipc_lock_count;
+ }
+
+ constexpr u16 GetIpcDisableMergeCount() const {
+ return m_ipc_disable_merge_count;
+ }
+
+ constexpr KMemoryPermission GetPermission() const {
+ return m_permission;
+ }
+
+ constexpr KMemoryPermission GetOriginalPermission() const {
+ return m_original_permission;
+ }
+
+ constexpr KMemoryAttribute GetAttribute() const {
+ return m_attribute;
}
constexpr KMemoryInfo GetMemoryInfo() const {
return {
- GetAddress(), GetSize(), state, perm,
- attribute, original_perm, ipc_lock_count, device_use_count,
+ .m_address = this->GetAddress(),
+ .m_size = this->GetSize(),
+ .m_state = m_memory_state,
+ .m_device_disable_merge_left_count = m_device_disable_merge_left_count,
+ .m_device_disable_merge_right_count = m_device_disable_merge_right_count,
+ .m_ipc_lock_count = m_ipc_lock_count,
+ .m_device_use_count = m_device_use_count,
+ .m_ipc_disable_merge_count = m_ipc_disable_merge_count,
+ .m_permission = m_permission,
+ .m_attribute = m_attribute,
+ .m_original_permission = m_original_permission,
+ .m_disable_merge_attribute = m_disable_merge_attribute,
};
}
- void ShareToDevice(KMemoryPermission /*new_perm*/) {
- ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared ||
- device_use_count == 0);
- attribute |= KMemoryAttribute::DeviceShared;
- const u16 new_use_count{++device_use_count};
- ASSERT(new_use_count > 0);
+public:
+ explicit KMemoryBlock() = default;
+
+ constexpr KMemoryBlock(VAddr addr, size_t np, KMemoryState ms, KMemoryPermission p,
+ KMemoryAttribute attr)
+ : Common::IntrusiveRedBlackTreeBaseNode<KMemoryBlock>(),
+ m_device_disable_merge_left_count(), m_device_disable_merge_right_count(),
+ m_address(addr), m_num_pages(np), m_memory_state(ms), m_ipc_lock_count(0),
+ m_device_use_count(0), m_ipc_disable_merge_count(), m_permission(p),
+ m_original_permission(KMemoryPermission::None), m_attribute(attr),
+ m_disable_merge_attribute() {}
+
+ constexpr void Initialize(VAddr addr, size_t np, KMemoryState ms, KMemoryPermission p,
+ KMemoryAttribute attr) {
+ m_device_disable_merge_left_count = 0;
+ m_device_disable_merge_right_count = 0;
+ m_address = addr;
+ m_num_pages = np;
+ m_memory_state = ms;
+ m_ipc_lock_count = 0;
+ m_device_use_count = 0;
+ m_permission = p;
+ m_original_permission = KMemoryPermission::None;
+ m_attribute = attr;
+ m_disable_merge_attribute = KMemoryBlockDisableMergeAttribute::None;
}
- void UnshareToDevice(KMemoryPermission /*new_perm*/) {
- ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
- const u16 prev_use_count{device_use_count--};
- ASSERT(prev_use_count > 0);
- if (prev_use_count == 1) {
- attribute &= ~KMemoryAttribute::DeviceShared;
- }
- }
-
-private:
constexpr bool HasProperties(KMemoryState s, KMemoryPermission p, KMemoryAttribute a) const {
- constexpr KMemoryAttribute AttributeIgnoreMask{KMemoryAttribute::DontCareMask |
- KMemoryAttribute::IpcLocked |
- KMemoryAttribute::DeviceShared};
- return state == s && perm == p &&
- (attribute | AttributeIgnoreMask) == (a | AttributeIgnoreMask);
+ constexpr auto AttributeIgnoreMask =
+ KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared;
+ return m_memory_state == s && m_permission == p &&
+ (m_attribute | AttributeIgnoreMask) == (a | AttributeIgnoreMask);
}
constexpr bool HasSameProperties(const KMemoryBlock& rhs) const {
- return state == rhs.state && perm == rhs.perm && original_perm == rhs.original_perm &&
- attribute == rhs.attribute && ipc_lock_count == rhs.ipc_lock_count &&
- device_use_count == rhs.device_use_count;
+ return m_memory_state == rhs.m_memory_state && m_permission == rhs.m_permission &&
+ m_original_permission == rhs.m_original_permission &&
+ m_attribute == rhs.m_attribute && m_ipc_lock_count == rhs.m_ipc_lock_count &&
+ m_device_use_count == rhs.m_device_use_count;
}
- constexpr bool Contains(VAddr start) const {
- return GetAddress() <= start && start <= GetEndAddress();
+ constexpr bool CanMergeWith(const KMemoryBlock& rhs) const {
+ return this->HasSameProperties(rhs) &&
+ (m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllRight) ==
+ KMemoryBlockDisableMergeAttribute::None &&
+ (rhs.m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllLeft) ==
+ KMemoryBlockDisableMergeAttribute::None;
}
- constexpr void Add(std::size_t count) {
- ASSERT(count > 0);
- ASSERT(GetAddress() + count * PageSize - 1 < GetEndAddress() + count * PageSize - 1);
-
- num_pages += count;
+ constexpr bool Contains(VAddr addr) const {
+ return this->GetAddress() <= addr && addr <= this->GetEndAddress();
}
- constexpr void Update(KMemoryState new_state, KMemoryPermission new_perm,
- KMemoryAttribute new_attribute) {
- ASSERT(original_perm == KMemoryPermission::None);
- ASSERT((attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::None);
+ constexpr void Add(const KMemoryBlock& added_block) {
+ ASSERT(added_block.GetNumPages() > 0);
+ ASSERT(this->GetAddress() + added_block.GetSize() - 1 <
+ this->GetEndAddress() + added_block.GetSize() - 1);
- state = new_state;
- perm = new_perm;
-
- attribute = static_cast<KMemoryAttribute>(
- new_attribute |
- (attribute & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)));
+ m_num_pages += added_block.GetNumPages();
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | added_block.m_disable_merge_attribute);
+ m_device_disable_merge_right_count = added_block.m_device_disable_merge_right_count;
}
- constexpr KMemoryBlock Split(VAddr split_addr) {
- ASSERT(GetAddress() < split_addr);
- ASSERT(Contains(split_addr));
- ASSERT(Common::IsAligned(split_addr, PageSize));
+ constexpr void Update(KMemoryState s, KMemoryPermission p, KMemoryAttribute a,
+ bool set_disable_merge_attr, u8 set_mask, u8 clear_mask) {
+ ASSERT(m_original_permission == KMemoryPermission::None);
+ ASSERT((m_attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::None);
- KMemoryBlock block;
- block.addr = addr;
- block.num_pages = (split_addr - GetAddress()) / PageSize;
- block.state = state;
- block.ipc_lock_count = ipc_lock_count;
- block.device_use_count = device_use_count;
- block.perm = perm;
- block.original_perm = original_perm;
- block.attribute = attribute;
+ m_memory_state = s;
+ m_permission = p;
+ m_attribute = static_cast<KMemoryAttribute>(
+ a | (m_attribute & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)));
- addr = split_addr;
- num_pages -= block.num_pages;
+ if (set_disable_merge_attr && set_mask != 0) {
+ m_disable_merge_attribute = m_disable_merge_attribute |
+ static_cast<KMemoryBlockDisableMergeAttribute>(set_mask);
+ }
+ if (clear_mask != 0) {
+ m_disable_merge_attribute = m_disable_merge_attribute &
+ static_cast<KMemoryBlockDisableMergeAttribute>(~clear_mask);
+ }
+ }
- return block;
+ constexpr void Split(KMemoryBlock* block, VAddr addr) {
+ ASSERT(this->GetAddress() < addr);
+ ASSERT(this->Contains(addr));
+ ASSERT(Common::IsAligned(addr, PageSize));
+
+ block->m_address = m_address;
+ block->m_num_pages = (addr - this->GetAddress()) / PageSize;
+ block->m_memory_state = m_memory_state;
+ block->m_ipc_lock_count = m_ipc_lock_count;
+ block->m_device_use_count = m_device_use_count;
+ block->m_permission = m_permission;
+ block->m_original_permission = m_original_permission;
+ block->m_attribute = m_attribute;
+ block->m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllLeft);
+ block->m_ipc_disable_merge_count = m_ipc_disable_merge_count;
+ block->m_device_disable_merge_left_count = m_device_disable_merge_left_count;
+ block->m_device_disable_merge_right_count = 0;
+
+ m_address = addr;
+ m_num_pages -= block->m_num_pages;
+
+ m_ipc_disable_merge_count = 0;
+ m_device_disable_merge_left_count = 0;
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllRight);
+ }
+
+ constexpr void UpdateDeviceDisableMergeStateForShareLeft(
+ [[maybe_unused]] KMemoryPermission new_perm, bool left, [[maybe_unused]] bool right) {
+ if (left) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | KMemoryBlockDisableMergeAttribute::DeviceLeft);
+ const u16 new_device_disable_merge_left_count = ++m_device_disable_merge_left_count;
+ ASSERT(new_device_disable_merge_left_count > 0);
+ }
+ }
+
+ constexpr void UpdateDeviceDisableMergeStateForShareRight(
+ [[maybe_unused]] KMemoryPermission new_perm, [[maybe_unused]] bool left, bool right) {
+ if (right) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | KMemoryBlockDisableMergeAttribute::DeviceRight);
+ const u16 new_device_disable_merge_right_count = ++m_device_disable_merge_right_count;
+ ASSERT(new_device_disable_merge_right_count > 0);
+ }
+ }
+
+ constexpr void UpdateDeviceDisableMergeStateForShare(KMemoryPermission new_perm, bool left,
+ bool right) {
+ this->UpdateDeviceDisableMergeStateForShareLeft(new_perm, left, right);
+ this->UpdateDeviceDisableMergeStateForShareRight(new_perm, left, right);
+ }
+
+ constexpr void ShareToDevice([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ bool right) {
+ // We must either be shared or have a zero lock count.
+ ASSERT((m_attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared ||
+ m_device_use_count == 0);
+
+ // Share.
+ const u16 new_count = ++m_device_use_count;
+ ASSERT(new_count > 0);
+
+ m_attribute = static_cast<KMemoryAttribute>(m_attribute | KMemoryAttribute::DeviceShared);
+
+ this->UpdateDeviceDisableMergeStateForShare(new_perm, left, right);
+ }
+
+ constexpr void UpdateDeviceDisableMergeStateForUnshareLeft(
+ [[maybe_unused]] KMemoryPermission new_perm, bool left, [[maybe_unused]] bool right) {
+
+ if (left) {
+ if (!m_device_disable_merge_left_count) {
+ return;
+ }
+ --m_device_disable_merge_left_count;
+ }
+
+ m_device_disable_merge_left_count =
+ std::min(m_device_disable_merge_left_count, m_device_use_count);
+
+ if (m_device_disable_merge_left_count == 0) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute::DeviceLeft);
+ }
+ }
+
+ constexpr void UpdateDeviceDisableMergeStateForUnshareRight(
+ [[maybe_unused]] KMemoryPermission new_perm, [[maybe_unused]] bool left, bool right) {
+ if (right) {
+ const u16 old_device_disable_merge_right_count = m_device_disable_merge_right_count--;
+ ASSERT(old_device_disable_merge_right_count > 0);
+ if (old_device_disable_merge_right_count == 1) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute::DeviceRight);
+ }
+ }
+ }
+
+ constexpr void UpdateDeviceDisableMergeStateForUnshare(KMemoryPermission new_perm, bool left,
+ bool right) {
+ this->UpdateDeviceDisableMergeStateForUnshareLeft(new_perm, left, right);
+ this->UpdateDeviceDisableMergeStateForUnshareRight(new_perm, left, right);
+ }
+
+ constexpr void UnshareToDevice([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ bool right) {
+ // We must be shared.
+ ASSERT((m_attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
+
+ // Unhare.
+ const u16 old_count = m_device_use_count--;
+ ASSERT(old_count > 0);
+
+ if (old_count == 1) {
+ m_attribute =
+ static_cast<KMemoryAttribute>(m_attribute & ~KMemoryAttribute::DeviceShared);
+ }
+
+ this->UpdateDeviceDisableMergeStateForUnshare(new_perm, left, right);
+ }
+
+ constexpr void UnshareToDeviceRight([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ bool right) {
+
+ // We must be shared.
+ ASSERT((m_attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
+
+ // Unhare.
+ const u16 old_count = m_device_use_count--;
+ ASSERT(old_count > 0);
+
+ if (old_count == 1) {
+ m_attribute =
+ static_cast<KMemoryAttribute>(m_attribute & ~KMemoryAttribute::DeviceShared);
+ }
+
+ this->UpdateDeviceDisableMergeStateForUnshareRight(new_perm, left, right);
+ }
+
+ constexpr void LockForIpc(KMemoryPermission new_perm, bool left, [[maybe_unused]] bool right) {
+ // We must either be locked or have a zero lock count.
+ ASSERT((m_attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::IpcLocked ||
+ m_ipc_lock_count == 0);
+
+ // Lock.
+ const u16 new_lock_count = ++m_ipc_lock_count;
+ ASSERT(new_lock_count > 0);
+
+ // If this is our first lock, update our permissions.
+ if (new_lock_count == 1) {
+ ASSERT(m_original_permission == KMemoryPermission::None);
+ ASSERT((m_permission | new_perm | KMemoryPermission::NotMapped) ==
+ (m_permission | KMemoryPermission::NotMapped));
+ ASSERT((m_permission & KMemoryPermission::UserExecute) !=
+ KMemoryPermission::UserExecute ||
+ (new_perm == KMemoryPermission::UserRead));
+ m_original_permission = m_permission;
+ m_permission = static_cast<KMemoryPermission>(
+ (new_perm & KMemoryPermission::IpcLockChangeMask) |
+ (m_original_permission & ~KMemoryPermission::IpcLockChangeMask));
+ }
+ m_attribute = static_cast<KMemoryAttribute>(m_attribute | KMemoryAttribute::IpcLocked);
+
+ if (left) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | KMemoryBlockDisableMergeAttribute::IpcLeft);
+ const u16 new_ipc_disable_merge_count = ++m_ipc_disable_merge_count;
+ ASSERT(new_ipc_disable_merge_count > 0);
+ }
+ }
+
+ constexpr void UnlockForIpc([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ [[maybe_unused]] bool right) {
+ // We must be locked.
+ ASSERT((m_attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::IpcLocked);
+
+ // Unlock.
+ const u16 old_lock_count = m_ipc_lock_count--;
+ ASSERT(old_lock_count > 0);
+
+ // If this is our last unlock, update our permissions.
+ if (old_lock_count == 1) {
+ ASSERT(m_original_permission != KMemoryPermission::None);
+ m_permission = m_original_permission;
+ m_original_permission = KMemoryPermission::None;
+ m_attribute = static_cast<KMemoryAttribute>(m_attribute & ~KMemoryAttribute::IpcLocked);
+ }
+
+ if (left) {
+ const u16 old_ipc_disable_merge_count = m_ipc_disable_merge_count--;
+ ASSERT(old_ipc_disable_merge_count > 0);
+ if (old_ipc_disable_merge_count == 1) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute::IpcLeft);
+ }
+ }
+ }
+
+ constexpr KMemoryBlockDisableMergeAttribute GetDisableMergeAttribute() const {
+ return m_disable_merge_attribute;
}
};
static_assert(std::is_trivially_destructible<KMemoryBlock>::value);
diff --git a/src/core/hle/kernel/k_memory_block_manager.cpp b/src/core/hle/kernel/k_memory_block_manager.cpp
index 3ddb9984fa..cf4c1e371b 100644
--- a/src/core/hle/kernel/k_memory_block_manager.cpp
+++ b/src/core/hle/kernel/k_memory_block_manager.cpp
@@ -2,221 +2,336 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/kernel/k_memory_block_manager.h"
-#include "core/hle/kernel/memory_types.h"
namespace Kernel {
-KMemoryBlockManager::KMemoryBlockManager(VAddr start_addr_, VAddr end_addr_)
- : start_addr{start_addr_}, end_addr{end_addr_} {
- const u64 num_pages{(end_addr - start_addr) / PageSize};
- memory_block_tree.emplace_back(start_addr, num_pages, KMemoryState::Free,
- KMemoryPermission::None, KMemoryAttribute::None);
+KMemoryBlockManager::KMemoryBlockManager() = default;
+
+Result KMemoryBlockManager::Initialize(VAddr st, VAddr nd, KMemoryBlockSlabManager* slab_manager) {
+ // Allocate a block to encapsulate the address space, insert it into the tree.
+ KMemoryBlock* start_block = slab_manager->Allocate();
+ R_UNLESS(start_block != nullptr, ResultOutOfResource);
+
+ // Set our start and end.
+ m_start_address = st;
+ m_end_address = nd;
+ ASSERT(Common::IsAligned(m_start_address, PageSize));
+ ASSERT(Common::IsAligned(m_end_address, PageSize));
+
+ // Initialize and insert the block.
+ start_block->Initialize(m_start_address, (m_end_address - m_start_address) / PageSize,
+ KMemoryState::Free, KMemoryPermission::None, KMemoryAttribute::None);
+ m_memory_block_tree.insert(*start_block);
+
+ R_SUCCEED();
}
-KMemoryBlockManager::iterator KMemoryBlockManager::FindIterator(VAddr addr) {
- auto node{memory_block_tree.begin()};
- while (node != end()) {
- const VAddr node_end_addr{node->GetNumPages() * PageSize + node->GetAddress()};
- if (node->GetAddress() <= addr && node_end_addr - 1 >= addr) {
- return node;
- }
- node = std::next(node);
+void KMemoryBlockManager::Finalize(KMemoryBlockSlabManager* slab_manager,
+ HostUnmapCallback&& host_unmap_callback) {
+ // Erase every block until we have none left.
+ auto it = m_memory_block_tree.begin();
+ while (it != m_memory_block_tree.end()) {
+ KMemoryBlock* block = std::addressof(*it);
+ it = m_memory_block_tree.erase(it);
+ slab_manager->Free(block);
+ host_unmap_callback(block->GetAddress(), block->GetSize());
}
- return end();
+
+ ASSERT(m_memory_block_tree.empty());
}
-VAddr KMemoryBlockManager::FindFreeArea(VAddr region_start, std::size_t region_num_pages,
- std::size_t num_pages, std::size_t align,
- std::size_t offset, std::size_t guard_pages) {
- if (num_pages == 0) {
- return {};
- }
+VAddr KMemoryBlockManager::FindFreeArea(VAddr region_start, size_t region_num_pages,
+ size_t num_pages, size_t alignment, size_t offset,
+ size_t guard_pages) const {
+ if (num_pages > 0) {
+ const VAddr region_end = region_start + region_num_pages * PageSize;
+ const VAddr region_last = region_end - 1;
+ for (const_iterator it = this->FindIterator(region_start); it != m_memory_block_tree.cend();
+ it++) {
+ const KMemoryInfo info = it->GetMemoryInfo();
+ if (region_last < info.GetAddress()) {
+ break;
+ }
+ if (info.m_state != KMemoryState::Free) {
+ continue;
+ }
- const VAddr region_end{region_start + region_num_pages * PageSize};
- const VAddr region_last{region_end - 1};
- for (auto it{FindIterator(region_start)}; it != memory_block_tree.cend(); it++) {
- const auto info{it->GetMemoryInfo()};
- if (region_last < info.GetAddress()) {
- break;
- }
+ VAddr area = (info.GetAddress() <= region_start) ? region_start : info.GetAddress();
+ area += guard_pages * PageSize;
- if (info.state != KMemoryState::Free) {
- continue;
- }
+ const VAddr offset_area = Common::AlignDown(area, alignment) + offset;
+ area = (area <= offset_area) ? offset_area : offset_area + alignment;
- VAddr area{(info.GetAddress() <= region_start) ? region_start : info.GetAddress()};
- area += guard_pages * PageSize;
+ const VAddr area_end = area + num_pages * PageSize + guard_pages * PageSize;
+ const VAddr area_last = area_end - 1;
- const VAddr offset_area{Common::AlignDown(area, align) + offset};
- area = (area <= offset_area) ? offset_area : offset_area + align;
-
- const VAddr area_end{area + num_pages * PageSize + guard_pages * PageSize};
- const VAddr area_last{area_end - 1};
-
- if (info.GetAddress() <= area && area < area_last && area_last <= region_last &&
- area_last <= info.GetLastAddress()) {
- return area;
+ if (info.GetAddress() <= area && area < area_last && area_last <= region_last &&
+ area_last <= info.GetLastAddress()) {
+ return area;
+ }
}
}
return {};
}
-void KMemoryBlockManager::Update(VAddr addr, std::size_t num_pages, KMemoryState prev_state,
- KMemoryPermission prev_perm, KMemoryAttribute prev_attribute,
- KMemoryState state, KMemoryPermission perm,
- KMemoryAttribute attribute) {
- const VAddr update_end_addr{addr + num_pages * PageSize};
- iterator node{memory_block_tree.begin()};
+void KMemoryBlockManager::CoalesceForUpdate(KMemoryBlockManagerUpdateAllocator* allocator,
+ VAddr address, size_t num_pages) {
+ // Find the iterator now that we've updated.
+ iterator it = this->FindIterator(address);
+ if (address != m_start_address) {
+ it--;
+ }
- prev_attribute |= KMemoryAttribute::IpcAndDeviceMapped;
-
- while (node != memory_block_tree.end()) {
- KMemoryBlock* block{&(*node)};
- iterator next_node{std::next(node)};
- const VAddr cur_addr{block->GetAddress()};
- const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
-
- if (addr < cur_end_addr && cur_addr < update_end_addr) {
- if (!block->HasProperties(prev_state, prev_perm, prev_attribute)) {
- node = next_node;
- continue;
- }
-
- iterator new_node{node};
- if (addr > cur_addr) {
- memory_block_tree.insert(node, block->Split(addr));
- }
-
- if (update_end_addr < cur_end_addr) {
- new_node = memory_block_tree.insert(node, block->Split(update_end_addr));
- }
-
- new_node->Update(state, perm, attribute);
-
- MergeAdjacent(new_node, next_node);
- }
-
- if (cur_end_addr - 1 >= update_end_addr - 1) {
+ // Coalesce blocks that we can.
+ while (true) {
+ iterator prev = it++;
+ if (it == m_memory_block_tree.end()) {
break;
}
- node = next_node;
- }
-}
-
-void KMemoryBlockManager::Update(VAddr addr, std::size_t num_pages, KMemoryState state,
- KMemoryPermission perm, KMemoryAttribute attribute) {
- const VAddr update_end_addr{addr + num_pages * PageSize};
- iterator node{memory_block_tree.begin()};
-
- while (node != memory_block_tree.end()) {
- KMemoryBlock* block{&(*node)};
- iterator next_node{std::next(node)};
- const VAddr cur_addr{block->GetAddress()};
- const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
-
- if (addr < cur_end_addr && cur_addr < update_end_addr) {
- iterator new_node{node};
-
- if (addr > cur_addr) {
- memory_block_tree.insert(node, block->Split(addr));
- }
-
- if (update_end_addr < cur_end_addr) {
- new_node = memory_block_tree.insert(node, block->Split(update_end_addr));
- }
-
- new_node->Update(state, perm, attribute);
-
- MergeAdjacent(new_node, next_node);
+ if (prev->CanMergeWith(*it)) {
+ KMemoryBlock* block = std::addressof(*it);
+ m_memory_block_tree.erase(it);
+ prev->Add(*block);
+ allocator->Free(block);
+ it = prev;
}
- if (cur_end_addr - 1 >= update_end_addr - 1) {
+ if (address + num_pages * PageSize < it->GetMemoryInfo().GetEndAddress()) {
break;
}
-
- node = next_node;
}
}
-void KMemoryBlockManager::UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
+void KMemoryBlockManager::Update(KMemoryBlockManagerUpdateAllocator* allocator, VAddr address,
+ size_t num_pages, KMemoryState state, KMemoryPermission perm,
+ KMemoryAttribute attr,
+ KMemoryBlockDisableMergeAttribute set_disable_attr,
+ KMemoryBlockDisableMergeAttribute clear_disable_attr) {
+ // Ensure for auditing that we never end up with an invalid tree.
+ KScopedMemoryBlockManagerAuditor auditor(this);
+ ASSERT(Common::IsAligned(address, PageSize));
+ ASSERT((attr & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)) ==
+ KMemoryAttribute::None);
+
+ VAddr cur_address = address;
+ size_t remaining_pages = num_pages;
+ iterator it = this->FindIterator(address);
+
+ while (remaining_pages > 0) {
+ const size_t remaining_size = remaining_pages * PageSize;
+ KMemoryInfo cur_info = it->GetMemoryInfo();
+ if (it->HasProperties(state, perm, attr)) {
+ // If we already have the right properties, just advance.
+ if (cur_address + remaining_size < cur_info.GetEndAddress()) {
+ remaining_pages = 0;
+ cur_address += remaining_size;
+ } else {
+ remaining_pages =
+ (cur_address + remaining_size - cur_info.GetEndAddress()) / PageSize;
+ cur_address = cur_info.GetEndAddress();
+ }
+ } else {
+ // If we need to, create a new block before and insert it.
+ if (cur_info.GetAddress() != cur_address) {
+ KMemoryBlock* new_block = allocator->Allocate();
+
+ it->Split(new_block, cur_address);
+ it = m_memory_block_tree.insert(*new_block);
+ it++;
+
+ cur_info = it->GetMemoryInfo();
+ cur_address = cur_info.GetAddress();
+ }
+
+ // If we need to, create a new block after and insert it.
+ if (cur_info.GetSize() > remaining_size) {
+ KMemoryBlock* new_block = allocator->Allocate();
+
+ it->Split(new_block, cur_address + remaining_size);
+ it = m_memory_block_tree.insert(*new_block);
+
+ cur_info = it->GetMemoryInfo();
+ }
+
+ // Update block state.
+ it->Update(state, perm, attr, cur_address == address, static_cast<u8>(set_disable_attr),
+ static_cast<u8>(clear_disable_attr));
+ cur_address += cur_info.GetSize();
+ remaining_pages -= cur_info.GetNumPages();
+ }
+ it++;
+ }
+
+ this->CoalesceForUpdate(allocator, address, num_pages);
+}
+
+void KMemoryBlockManager::UpdateIfMatch(KMemoryBlockManagerUpdateAllocator* allocator,
+ VAddr address, size_t num_pages, KMemoryState test_state,
+ KMemoryPermission test_perm, KMemoryAttribute test_attr,
+ KMemoryState state, KMemoryPermission perm,
+ KMemoryAttribute attr) {
+ // Ensure for auditing that we never end up with an invalid tree.
+ KScopedMemoryBlockManagerAuditor auditor(this);
+ ASSERT(Common::IsAligned(address, PageSize));
+ ASSERT((attr & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)) ==
+ KMemoryAttribute::None);
+
+ VAddr cur_address = address;
+ size_t remaining_pages = num_pages;
+ iterator it = this->FindIterator(address);
+
+ while (remaining_pages > 0) {
+ const size_t remaining_size = remaining_pages * PageSize;
+ KMemoryInfo cur_info = it->GetMemoryInfo();
+ if (it->HasProperties(test_state, test_perm, test_attr) &&
+ !it->HasProperties(state, perm, attr)) {
+ // If we need to, create a new block before and insert it.
+ if (cur_info.GetAddress() != cur_address) {
+ KMemoryBlock* new_block = allocator->Allocate();
+
+ it->Split(new_block, cur_address);
+ it = m_memory_block_tree.insert(*new_block);
+ it++;
+
+ cur_info = it->GetMemoryInfo();
+ cur_address = cur_info.GetAddress();
+ }
+
+ // If we need to, create a new block after and insert it.
+ if (cur_info.GetSize() > remaining_size) {
+ KMemoryBlock* new_block = allocator->Allocate();
+
+ it->Split(new_block, cur_address + remaining_size);
+ it = m_memory_block_tree.insert(*new_block);
+
+ cur_info = it->GetMemoryInfo();
+ }
+
+ // Update block state.
+ it->Update(state, perm, attr, false, 0, 0);
+ cur_address += cur_info.GetSize();
+ remaining_pages -= cur_info.GetNumPages();
+ } else {
+ // If we already have the right properties, just advance.
+ if (cur_address + remaining_size < cur_info.GetEndAddress()) {
+ remaining_pages = 0;
+ cur_address += remaining_size;
+ } else {
+ remaining_pages =
+ (cur_address + remaining_size - cur_info.GetEndAddress()) / PageSize;
+ cur_address = cur_info.GetEndAddress();
+ }
+ }
+ it++;
+ }
+
+ this->CoalesceForUpdate(allocator, address, num_pages);
+}
+
+void KMemoryBlockManager::UpdateLock(KMemoryBlockManagerUpdateAllocator* allocator, VAddr address,
+ size_t num_pages, MemoryBlockLockFunction lock_func,
KMemoryPermission perm) {
- const VAddr update_end_addr{addr + num_pages * PageSize};
- iterator node{memory_block_tree.begin()};
+ // Ensure for auditing that we never end up with an invalid tree.
+ KScopedMemoryBlockManagerAuditor auditor(this);
+ ASSERT(Common::IsAligned(address, PageSize));
- while (node != memory_block_tree.end()) {
- KMemoryBlock* block{&(*node)};
- iterator next_node{std::next(node)};
- const VAddr cur_addr{block->GetAddress()};
- const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
+ VAddr cur_address = address;
+ size_t remaining_pages = num_pages;
+ iterator it = this->FindIterator(address);
- if (addr < cur_end_addr && cur_addr < update_end_addr) {
- iterator new_node{node};
+ const VAddr end_address = address + (num_pages * PageSize);
- if (addr > cur_addr) {
- memory_block_tree.insert(node, block->Split(addr));
- }
+ while (remaining_pages > 0) {
+ const size_t remaining_size = remaining_pages * PageSize;
+ KMemoryInfo cur_info = it->GetMemoryInfo();
- if (update_end_addr < cur_end_addr) {
- new_node = memory_block_tree.insert(node, block->Split(update_end_addr));
- }
+ // If we need to, create a new block before and insert it.
+ if (cur_info.m_address != cur_address) {
+ KMemoryBlock* new_block = allocator->Allocate();
- lock_func(new_node, perm);
+ it->Split(new_block, cur_address);
+ it = m_memory_block_tree.insert(*new_block);
+ it++;
- MergeAdjacent(new_node, next_node);
+ cur_info = it->GetMemoryInfo();
+ cur_address = cur_info.GetAddress();
}
- if (cur_end_addr - 1 >= update_end_addr - 1) {
- break;
+ if (cur_info.GetSize() > remaining_size) {
+ // If we need to, create a new block after and insert it.
+ KMemoryBlock* new_block = allocator->Allocate();
+
+ it->Split(new_block, cur_address + remaining_size);
+ it = m_memory_block_tree.insert(*new_block);
+
+ cur_info = it->GetMemoryInfo();
}
- node = next_node;
+ // Call the locked update function.
+ (std::addressof(*it)->*lock_func)(perm, cur_info.GetAddress() == address,
+ cur_info.GetEndAddress() == end_address);
+ cur_address += cur_info.GetSize();
+ remaining_pages -= cur_info.GetNumPages();
+ it++;
}
+
+ this->CoalesceForUpdate(allocator, address, num_pages);
}
-void KMemoryBlockManager::IterateForRange(VAddr start, VAddr end, IterateFunc&& func) {
- const_iterator it{FindIterator(start)};
- KMemoryInfo info{};
- do {
- info = it->GetMemoryInfo();
- func(info);
- it = std::next(it);
- } while (info.addr + info.size - 1 < end - 1 && it != cend());
-}
+// Debug.
+bool KMemoryBlockManager::CheckState() const {
+ // Loop over every block, ensuring that we are sorted and coalesced.
+ auto it = m_memory_block_tree.cbegin();
+ auto prev = it++;
+ while (it != m_memory_block_tree.cend()) {
+ const KMemoryInfo prev_info = prev->GetMemoryInfo();
+ const KMemoryInfo cur_info = it->GetMemoryInfo();
-void KMemoryBlockManager::MergeAdjacent(iterator it, iterator& next_it) {
- KMemoryBlock* block{&(*it)};
-
- auto EraseIt = [&](const iterator it_to_erase) {
- if (next_it == it_to_erase) {
- next_it = std::next(next_it);
+ // Sequential blocks which can be merged should be merged.
+ if (prev->CanMergeWith(*it)) {
+ return false;
}
- memory_block_tree.erase(it_to_erase);
- };
- if (it != memory_block_tree.begin()) {
- KMemoryBlock* prev{&(*std::prev(it))};
+ // Sequential blocks should be sequential.
+ if (prev_info.GetEndAddress() != cur_info.GetAddress()) {
+ return false;
+ }
- if (block->HasSameProperties(*prev)) {
- const iterator prev_it{std::prev(it)};
+ // If the block is ipc locked, it must have a count.
+ if ((cur_info.m_attribute & KMemoryAttribute::IpcLocked) != KMemoryAttribute::None &&
+ cur_info.m_ipc_lock_count == 0) {
+ return false;
+ }
- prev->Add(block->GetNumPages());
- EraseIt(it);
+ // If the block is device shared, it must have a count.
+ if ((cur_info.m_attribute & KMemoryAttribute::DeviceShared) != KMemoryAttribute::None &&
+ cur_info.m_device_use_count == 0) {
+ return false;
+ }
- it = prev_it;
- block = prev;
+ // Advance the iterator.
+ prev = it++;
+ }
+
+ // Our loop will miss checking the last block, potentially, so check it.
+ if (prev != m_memory_block_tree.cend()) {
+ const KMemoryInfo prev_info = prev->GetMemoryInfo();
+ // If the block is ipc locked, it must have a count.
+ if ((prev_info.m_attribute & KMemoryAttribute::IpcLocked) != KMemoryAttribute::None &&
+ prev_info.m_ipc_lock_count == 0) {
+ return false;
+ }
+
+ // If the block is device shared, it must have a count.
+ if ((prev_info.m_attribute & KMemoryAttribute::DeviceShared) != KMemoryAttribute::None &&
+ prev_info.m_device_use_count == 0) {
+ return false;
}
}
- if (it != cend()) {
- const KMemoryBlock* const next{&(*std::next(it))};
-
- if (block->HasSameProperties(*next)) {
- block->Add(next->GetNumPages());
- EraseIt(std::next(it));
- }
- }
+ return true;
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_memory_block_manager.h b/src/core/hle/kernel/k_memory_block_manager.h
index e14741b898..9b5873883d 100644
--- a/src/core/hle/kernel/k_memory_block_manager.h
+++ b/src/core/hle/kernel/k_memory_block_manager.h
@@ -4,63 +4,154 @@
#pragma once
#include <functional>
-#include <list>
+#include "common/common_funcs.h"
#include "common/common_types.h"
+#include "core/hle/kernel/k_dynamic_resource_manager.h"
#include "core/hle/kernel/k_memory_block.h"
namespace Kernel {
+class KMemoryBlockManagerUpdateAllocator {
+public:
+ static constexpr size_t MaxBlocks = 2;
+
+private:
+ KMemoryBlock* m_blocks[MaxBlocks];
+ size_t m_index;
+ KMemoryBlockSlabManager* m_slab_manager;
+
+private:
+ Result Initialize(size_t num_blocks) {
+ // Check num blocks.
+ ASSERT(num_blocks <= MaxBlocks);
+
+ // Set index.
+ m_index = MaxBlocks - num_blocks;
+
+ // Allocate the blocks.
+ for (size_t i = 0; i < num_blocks && i < MaxBlocks; ++i) {
+ m_blocks[m_index + i] = m_slab_manager->Allocate();
+ R_UNLESS(m_blocks[m_index + i] != nullptr, ResultOutOfResource);
+ }
+
+ R_SUCCEED();
+ }
+
+public:
+ KMemoryBlockManagerUpdateAllocator(Result* out_result, KMemoryBlockSlabManager* sm,
+ size_t num_blocks = MaxBlocks)
+ : m_blocks(), m_index(MaxBlocks), m_slab_manager(sm) {
+ *out_result = this->Initialize(num_blocks);
+ }
+
+ ~KMemoryBlockManagerUpdateAllocator() {
+ for (const auto& block : m_blocks) {
+ if (block != nullptr) {
+ m_slab_manager->Free(block);
+ }
+ }
+ }
+
+ KMemoryBlock* Allocate() {
+ ASSERT(m_index < MaxBlocks);
+ ASSERT(m_blocks[m_index] != nullptr);
+ KMemoryBlock* block = nullptr;
+ std::swap(block, m_blocks[m_index++]);
+ return block;
+ }
+
+ void Free(KMemoryBlock* block) {
+ ASSERT(m_index <= MaxBlocks);
+ ASSERT(block != nullptr);
+ if (m_index == 0) {
+ m_slab_manager->Free(block);
+ } else {
+ m_blocks[--m_index] = block;
+ }
+ }
+};
+
class KMemoryBlockManager final {
public:
- using MemoryBlockTree = std::list<KMemoryBlock>;
+ using MemoryBlockTree =
+ Common::IntrusiveRedBlackTreeBaseTraits<KMemoryBlock>::TreeType<KMemoryBlock>;
+ using MemoryBlockLockFunction = void (KMemoryBlock::*)(KMemoryPermission new_perm, bool left,
+ bool right);
using iterator = MemoryBlockTree::iterator;
using const_iterator = MemoryBlockTree::const_iterator;
public:
- KMemoryBlockManager(VAddr start_addr_, VAddr end_addr_);
+ KMemoryBlockManager();
+
+ using HostUnmapCallback = std::function<void(VAddr, u64)>;
+
+ Result Initialize(VAddr st, VAddr nd, KMemoryBlockSlabManager* slab_manager);
+ void Finalize(KMemoryBlockSlabManager* slab_manager, HostUnmapCallback&& host_unmap_callback);
iterator end() {
- return memory_block_tree.end();
+ return m_memory_block_tree.end();
}
const_iterator end() const {
- return memory_block_tree.end();
+ return m_memory_block_tree.end();
}
const_iterator cend() const {
- return memory_block_tree.cend();
+ return m_memory_block_tree.cend();
}
- iterator FindIterator(VAddr addr);
+ VAddr FindFreeArea(VAddr region_start, size_t region_num_pages, size_t num_pages,
+ size_t alignment, size_t offset, size_t guard_pages) const;
- VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
- std::size_t align, std::size_t offset, std::size_t guard_pages);
+ void Update(KMemoryBlockManagerUpdateAllocator* allocator, VAddr address, size_t num_pages,
+ KMemoryState state, KMemoryPermission perm, KMemoryAttribute attr,
+ KMemoryBlockDisableMergeAttribute set_disable_attr,
+ KMemoryBlockDisableMergeAttribute clear_disable_attr);
+ void UpdateLock(KMemoryBlockManagerUpdateAllocator* allocator, VAddr address, size_t num_pages,
+ MemoryBlockLockFunction lock_func, KMemoryPermission perm);
- void Update(VAddr addr, std::size_t num_pages, KMemoryState prev_state,
- KMemoryPermission prev_perm, KMemoryAttribute prev_attribute, KMemoryState state,
- KMemoryPermission perm, KMemoryAttribute attribute);
+ void UpdateIfMatch(KMemoryBlockManagerUpdateAllocator* allocator, VAddr address,
+ size_t num_pages, KMemoryState test_state, KMemoryPermission test_perm,
+ KMemoryAttribute test_attr, KMemoryState state, KMemoryPermission perm,
+ KMemoryAttribute attr);
- void Update(VAddr addr, std::size_t num_pages, KMemoryState state,
- KMemoryPermission perm = KMemoryPermission::None,
- KMemoryAttribute attribute = KMemoryAttribute::None);
+ iterator FindIterator(VAddr address) const {
+ return m_memory_block_tree.find(KMemoryBlock(
+ address, 1, KMemoryState::Free, KMemoryPermission::None, KMemoryAttribute::None));
+ }
- using LockFunc = std::function<void(iterator, KMemoryPermission)>;
- void UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
- KMemoryPermission perm);
+ const KMemoryBlock* FindBlock(VAddr address) const {
+ if (const_iterator it = this->FindIterator(address); it != m_memory_block_tree.end()) {
+ return std::addressof(*it);
+ }
- using IterateFunc = std::function<void(const KMemoryInfo&)>;
- void IterateForRange(VAddr start, VAddr end, IterateFunc&& func);
+ return nullptr;
+ }
- KMemoryBlock& FindBlock(VAddr addr) {
- return *FindIterator(addr);
+ // Debug.
+ bool CheckState() const;
+
+private:
+ void CoalesceForUpdate(KMemoryBlockManagerUpdateAllocator* allocator, VAddr address,
+ size_t num_pages);
+
+ MemoryBlockTree m_memory_block_tree;
+ VAddr m_start_address{};
+ VAddr m_end_address{};
+};
+
+class KScopedMemoryBlockManagerAuditor {
+public:
+ explicit KScopedMemoryBlockManagerAuditor(KMemoryBlockManager* m) : m_manager(m) {
+ ASSERT(m_manager->CheckState());
+ }
+ explicit KScopedMemoryBlockManagerAuditor(KMemoryBlockManager& m)
+ : KScopedMemoryBlockManagerAuditor(std::addressof(m)) {}
+ ~KScopedMemoryBlockManagerAuditor() {
+ ASSERT(m_manager->CheckState());
}
private:
- void MergeAdjacent(iterator it, iterator& next_it);
-
- [[maybe_unused]] const VAddr start_addr;
- [[maybe_unused]] const VAddr end_addr;
-
- MemoryBlockTree memory_block_tree;
+ KMemoryBlockManager* m_manager;
};
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_memory_manager.cpp b/src/core/hle/kernel/k_memory_manager.cpp
index 5b0a9963a8..6467115056 100644
--- a/src/core/hle/kernel/k_memory_manager.cpp
+++ b/src/core/hle/kernel/k_memory_manager.cpp
@@ -331,7 +331,7 @@ Result KMemoryManager::AllocateAndOpenForProcess(KPageGroup* out, size_t num_pag
// Set all the allocated memory.
for (const auto& block : out->Nodes()) {
- std::memset(system.DeviceMemory().GetPointer(block.GetAddress()), fill_pattern,
+ std::memset(system.DeviceMemory().GetPointer<void>(block.GetAddress()), fill_pattern,
block.GetSize());
}
diff --git a/src/core/hle/kernel/k_page_buffer.cpp b/src/core/hle/kernel/k_page_buffer.cpp
index 1a0bf44393..0c16dded4b 100644
--- a/src/core/hle/kernel/k_page_buffer.cpp
+++ b/src/core/hle/kernel/k_page_buffer.cpp
@@ -12,7 +12,7 @@ namespace Kernel {
KPageBuffer* KPageBuffer::FromPhysicalAddress(Core::System& system, PAddr phys_addr) {
ASSERT(Common::IsAligned(phys_addr, PageSize));
- return reinterpret_cast<KPageBuffer*>(system.DeviceMemory().GetPointer(phys_addr));
+ return system.DeviceMemory().GetPointer<KPageBuffer>(phys_addr);
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp
index d975de8449..307e491cb5 100644
--- a/src/core/hle/kernel/k_page_table.cpp
+++ b/src/core/hle/kernel/k_page_table.cpp
@@ -25,7 +25,7 @@ namespace {
using namespace Common::Literals;
-constexpr std::size_t GetAddressSpaceWidthFromType(FileSys::ProgramAddressSpaceType as_type) {
+constexpr size_t GetAddressSpaceWidthFromType(FileSys::ProgramAddressSpaceType as_type) {
switch (as_type) {
case FileSys::ProgramAddressSpaceType::Is32Bit:
case FileSys::ProgramAddressSpaceType::Is32BitNoMap:
@@ -43,27 +43,29 @@ constexpr std::size_t GetAddressSpaceWidthFromType(FileSys::ProgramAddressSpaceT
} // namespace
KPageTable::KPageTable(Core::System& system_)
- : general_lock{system_.Kernel()}, map_physical_memory_lock{system_.Kernel()}, system{system_} {}
+ : m_general_lock{system_.Kernel()},
+ m_map_physical_memory_lock{system_.Kernel()}, m_system{system_} {}
KPageTable::~KPageTable() = default;
Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
- VAddr code_addr, std::size_t code_size,
+ VAddr code_addr, size_t code_size,
+ KMemoryBlockSlabManager* mem_block_slab_manager,
KMemoryManager::Pool pool) {
const auto GetSpaceStart = [this](KAddressSpaceInfo::Type type) {
- return KAddressSpaceInfo::GetAddressSpaceStart(address_space_width, type);
+ return KAddressSpaceInfo::GetAddressSpaceStart(m_address_space_width, type);
};
const auto GetSpaceSize = [this](KAddressSpaceInfo::Type type) {
- return KAddressSpaceInfo::GetAddressSpaceSize(address_space_width, type);
+ return KAddressSpaceInfo::GetAddressSpaceSize(m_address_space_width, type);
};
// Set our width and heap/alias sizes
- address_space_width = GetAddressSpaceWidthFromType(as_type);
+ m_address_space_width = GetAddressSpaceWidthFromType(as_type);
const VAddr start = 0;
- const VAddr end{1ULL << address_space_width};
- std::size_t alias_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Alias)};
- std::size_t heap_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Heap)};
+ const VAddr end{1ULL << m_address_space_width};
+ size_t alias_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Alias)};
+ size_t heap_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Heap)};
ASSERT(code_addr < code_addr + code_size);
ASSERT(code_addr + code_size - 1 <= end - 1);
@@ -75,66 +77,65 @@ Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type
}
// Set code regions and determine remaining
- constexpr std::size_t RegionAlignment{2_MiB};
+ constexpr size_t RegionAlignment{2_MiB};
VAddr process_code_start{};
VAddr process_code_end{};
- std::size_t stack_region_size{};
- std::size_t kernel_map_region_size{};
+ size_t stack_region_size{};
+ size_t kernel_map_region_size{};
- if (address_space_width == 39) {
+ if (m_address_space_width == 39) {
alias_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Alias);
heap_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Heap);
stack_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Stack);
kernel_map_region_size = GetSpaceSize(KAddressSpaceInfo::Type::MapSmall);
- code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::Map39Bit);
- code_region_end = code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::Map39Bit);
- alias_code_region_start = code_region_start;
- alias_code_region_end = code_region_end;
+ m_code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::Map39Bit);
+ m_code_region_end = m_code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::Map39Bit);
+ m_alias_code_region_start = m_code_region_start;
+ m_alias_code_region_end = m_code_region_end;
process_code_start = Common::AlignDown(code_addr, RegionAlignment);
process_code_end = Common::AlignUp(code_addr + code_size, RegionAlignment);
} else {
stack_region_size = 0;
kernel_map_region_size = 0;
- code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::MapSmall);
- code_region_end = code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::MapSmall);
- stack_region_start = code_region_start;
- alias_code_region_start = code_region_start;
- alias_code_region_end = GetSpaceStart(KAddressSpaceInfo::Type::MapLarge) +
- GetSpaceSize(KAddressSpaceInfo::Type::MapLarge);
- stack_region_end = code_region_end;
- kernel_map_region_start = code_region_start;
- kernel_map_region_end = code_region_end;
- process_code_start = code_region_start;
- process_code_end = code_region_end;
+ m_code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::MapSmall);
+ m_code_region_end = m_code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::MapSmall);
+ m_stack_region_start = m_code_region_start;
+ m_alias_code_region_start = m_code_region_start;
+ m_alias_code_region_end = GetSpaceStart(KAddressSpaceInfo::Type::MapLarge) +
+ GetSpaceSize(KAddressSpaceInfo::Type::MapLarge);
+ m_stack_region_end = m_code_region_end;
+ m_kernel_map_region_start = m_code_region_start;
+ m_kernel_map_region_end = m_code_region_end;
+ process_code_start = m_code_region_start;
+ process_code_end = m_code_region_end;
}
// Set other basic fields
- is_aslr_enabled = enable_aslr;
- address_space_start = start;
- address_space_end = end;
- is_kernel = false;
+ m_enable_aslr = enable_aslr;
+ m_enable_device_address_space_merge = false;
+ m_address_space_start = start;
+ m_address_space_end = end;
+ m_is_kernel = false;
+ m_memory_block_slab_manager = mem_block_slab_manager;
// Determine the region we can place our undetermineds in
VAddr alloc_start{};
- std::size_t alloc_size{};
- if ((process_code_start - code_region_start) >= (end - process_code_end)) {
- alloc_start = code_region_start;
- alloc_size = process_code_start - code_region_start;
+ size_t alloc_size{};
+ if ((process_code_start - m_code_region_start) >= (end - process_code_end)) {
+ alloc_start = m_code_region_start;
+ alloc_size = process_code_start - m_code_region_start;
} else {
alloc_start = process_code_end;
alloc_size = end - process_code_end;
}
- const std::size_t needed_size{
- (alias_region_size + heap_region_size + stack_region_size + kernel_map_region_size)};
- if (alloc_size < needed_size) {
- ASSERT(false);
- return ResultOutOfMemory;
- }
+ const size_t needed_size =
+ (alias_region_size + heap_region_size + stack_region_size + kernel_map_region_size);
+ R_UNLESS(alloc_size >= needed_size, ResultOutOfMemory);
- const std::size_t remaining_size{alloc_size - needed_size};
+ const size_t remaining_size{alloc_size - needed_size};
// Determine random placements for each region
- std::size_t alias_rnd{}, heap_rnd{}, stack_rnd{}, kmap_rnd{};
+ size_t alias_rnd{}, heap_rnd{}, stack_rnd{}, kmap_rnd{};
if (enable_aslr) {
alias_rnd = KSystemControl::GenerateRandomRange(0, remaining_size / RegionAlignment) *
RegionAlignment;
@@ -147,117 +148,130 @@ Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type
}
// Setup heap and alias regions
- alias_region_start = alloc_start + alias_rnd;
- alias_region_end = alias_region_start + alias_region_size;
- heap_region_start = alloc_start + heap_rnd;
- heap_region_end = heap_region_start + heap_region_size;
+ m_alias_region_start = alloc_start + alias_rnd;
+ m_alias_region_end = m_alias_region_start + alias_region_size;
+ m_heap_region_start = alloc_start + heap_rnd;
+ m_heap_region_end = m_heap_region_start + heap_region_size;
if (alias_rnd <= heap_rnd) {
- heap_region_start += alias_region_size;
- heap_region_end += alias_region_size;
+ m_heap_region_start += alias_region_size;
+ m_heap_region_end += alias_region_size;
} else {
- alias_region_start += heap_region_size;
- alias_region_end += heap_region_size;
+ m_alias_region_start += heap_region_size;
+ m_alias_region_end += heap_region_size;
}
// Setup stack region
if (stack_region_size) {
- stack_region_start = alloc_start + stack_rnd;
- stack_region_end = stack_region_start + stack_region_size;
+ m_stack_region_start = alloc_start + stack_rnd;
+ m_stack_region_end = m_stack_region_start + stack_region_size;
if (alias_rnd < stack_rnd) {
- stack_region_start += alias_region_size;
- stack_region_end += alias_region_size;
+ m_stack_region_start += alias_region_size;
+ m_stack_region_end += alias_region_size;
} else {
- alias_region_start += stack_region_size;
- alias_region_end += stack_region_size;
+ m_alias_region_start += stack_region_size;
+ m_alias_region_end += stack_region_size;
}
if (heap_rnd < stack_rnd) {
- stack_region_start += heap_region_size;
- stack_region_end += heap_region_size;
+ m_stack_region_start += heap_region_size;
+ m_stack_region_end += heap_region_size;
} else {
- heap_region_start += stack_region_size;
- heap_region_end += stack_region_size;
+ m_heap_region_start += stack_region_size;
+ m_heap_region_end += stack_region_size;
}
}
// Setup kernel map region
if (kernel_map_region_size) {
- kernel_map_region_start = alloc_start + kmap_rnd;
- kernel_map_region_end = kernel_map_region_start + kernel_map_region_size;
+ m_kernel_map_region_start = alloc_start + kmap_rnd;
+ m_kernel_map_region_end = m_kernel_map_region_start + kernel_map_region_size;
if (alias_rnd < kmap_rnd) {
- kernel_map_region_start += alias_region_size;
- kernel_map_region_end += alias_region_size;
+ m_kernel_map_region_start += alias_region_size;
+ m_kernel_map_region_end += alias_region_size;
} else {
- alias_region_start += kernel_map_region_size;
- alias_region_end += kernel_map_region_size;
+ m_alias_region_start += kernel_map_region_size;
+ m_alias_region_end += kernel_map_region_size;
}
if (heap_rnd < kmap_rnd) {
- kernel_map_region_start += heap_region_size;
- kernel_map_region_end += heap_region_size;
+ m_kernel_map_region_start += heap_region_size;
+ m_kernel_map_region_end += heap_region_size;
} else {
- heap_region_start += kernel_map_region_size;
- heap_region_end += kernel_map_region_size;
+ m_heap_region_start += kernel_map_region_size;
+ m_heap_region_end += kernel_map_region_size;
}
if (stack_region_size) {
if (stack_rnd < kmap_rnd) {
- kernel_map_region_start += stack_region_size;
- kernel_map_region_end += stack_region_size;
+ m_kernel_map_region_start += stack_region_size;
+ m_kernel_map_region_end += stack_region_size;
} else {
- stack_region_start += kernel_map_region_size;
- stack_region_end += kernel_map_region_size;
+ m_stack_region_start += kernel_map_region_size;
+ m_stack_region_end += kernel_map_region_size;
}
}
}
// Set heap members
- current_heap_end = heap_region_start;
- max_heap_size = 0;
- max_physical_memory_size = 0;
+ m_current_heap_end = m_heap_region_start;
+ m_max_heap_size = 0;
+ m_max_physical_memory_size = 0;
// Ensure that we regions inside our address space
auto IsInAddressSpace = [&](VAddr addr) {
- return address_space_start <= addr && addr <= address_space_end;
+ return m_address_space_start <= addr && addr <= m_address_space_end;
};
- ASSERT(IsInAddressSpace(alias_region_start));
- ASSERT(IsInAddressSpace(alias_region_end));
- ASSERT(IsInAddressSpace(heap_region_start));
- ASSERT(IsInAddressSpace(heap_region_end));
- ASSERT(IsInAddressSpace(stack_region_start));
- ASSERT(IsInAddressSpace(stack_region_end));
- ASSERT(IsInAddressSpace(kernel_map_region_start));
- ASSERT(IsInAddressSpace(kernel_map_region_end));
+ ASSERT(IsInAddressSpace(m_alias_region_start));
+ ASSERT(IsInAddressSpace(m_alias_region_end));
+ ASSERT(IsInAddressSpace(m_heap_region_start));
+ ASSERT(IsInAddressSpace(m_heap_region_end));
+ ASSERT(IsInAddressSpace(m_stack_region_start));
+ ASSERT(IsInAddressSpace(m_stack_region_end));
+ ASSERT(IsInAddressSpace(m_kernel_map_region_start));
+ ASSERT(IsInAddressSpace(m_kernel_map_region_end));
// Ensure that we selected regions that don't overlap
- const VAddr alias_start{alias_region_start};
- const VAddr alias_last{alias_region_end - 1};
- const VAddr heap_start{heap_region_start};
- const VAddr heap_last{heap_region_end - 1};
- const VAddr stack_start{stack_region_start};
- const VAddr stack_last{stack_region_end - 1};
- const VAddr kmap_start{kernel_map_region_start};
- const VAddr kmap_last{kernel_map_region_end - 1};
+ const VAddr alias_start{m_alias_region_start};
+ const VAddr alias_last{m_alias_region_end - 1};
+ const VAddr heap_start{m_heap_region_start};
+ const VAddr heap_last{m_heap_region_end - 1};
+ const VAddr stack_start{m_stack_region_start};
+ const VAddr stack_last{m_stack_region_end - 1};
+ const VAddr kmap_start{m_kernel_map_region_start};
+ const VAddr kmap_last{m_kernel_map_region_end - 1};
ASSERT(alias_last < heap_start || heap_last < alias_start);
ASSERT(alias_last < stack_start || stack_last < alias_start);
ASSERT(alias_last < kmap_start || kmap_last < alias_start);
ASSERT(heap_last < stack_start || stack_last < heap_start);
ASSERT(heap_last < kmap_start || kmap_last < heap_start);
- current_heap_end = heap_region_start;
- max_heap_size = 0;
- mapped_physical_memory_size = 0;
- memory_pool = pool;
+ m_current_heap_end = m_heap_region_start;
+ m_max_heap_size = 0;
+ m_mapped_physical_memory_size = 0;
+ m_memory_pool = pool;
- page_table_impl.Resize(address_space_width, PageBits);
+ m_page_table_impl = std::make_unique<Common::PageTable>();
+ m_page_table_impl->Resize(m_address_space_width, PageBits);
- return InitializeMemoryLayout(start, end);
+ // Initialize our memory block manager.
+ R_RETURN(m_memory_block_manager.Initialize(m_address_space_start, m_address_space_end,
+ m_memory_block_slab_manager));
}
-Result KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryState state,
+void KPageTable::Finalize() {
+ // Finalize memory blocks.
+ m_memory_block_manager.Finalize(m_memory_block_slab_manager, [&](VAddr addr, u64 size) {
+ m_system.Memory().UnmapRegion(*m_page_table_impl, addr, size);
+ });
+
+ // Close the backing page table, as the destructor is not called for guest objects.
+ m_page_table_impl.reset();
+}
+
+Result KPageTable::MapProcessCode(VAddr addr, size_t num_pages, KMemoryState state,
KMemoryPermission perm) {
const u64 size{num_pages * PageSize};
@@ -265,52 +279,76 @@ Result KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryStat
R_UNLESS(this->CanContain(addr, size, state), ResultInvalidCurrentMemory);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Verify that the destination memory is unmapped.
R_TRY(this->CheckMemoryState(addr, size, KMemoryState::All, KMemoryState::Free,
KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::None, KMemoryAttribute::None));
+
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager);
+
+ // Allocate and open.
KPageGroup pg;
- R_TRY(system.Kernel().MemoryManager().AllocateAndOpen(
+ R_TRY(m_system.Kernel().MemoryManager().AllocateAndOpen(
&pg, num_pages,
- KMemoryManager::EncodeOption(KMemoryManager::Pool::Application, allocation_option)));
+ KMemoryManager::EncodeOption(KMemoryManager::Pool::Application, m_allocation_option)));
R_TRY(Operate(addr, num_pages, pg, OperationType::MapGroup));
- block_manager->Update(addr, num_pages, state, perm);
+ // Update the blocks.
+ m_memory_block_manager.Update(std::addressof(allocator), addr, num_pages, state, perm,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::Normal,
+ KMemoryBlockDisableMergeAttribute::None);
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size) {
+Result KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, size_t size) {
// Validate the mapping request.
R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode),
ResultInvalidMemoryRegion);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Verify that the source memory is normal heap.
KMemoryState src_state{};
KMemoryPermission src_perm{};
- std::size_t num_src_allocator_blocks{};
+ size_t num_src_allocator_blocks{};
R_TRY(this->CheckMemoryState(&src_state, &src_perm, nullptr, &num_src_allocator_blocks,
src_address, size, KMemoryState::All, KMemoryState::Normal,
KMemoryPermission::All, KMemoryPermission::UserReadWrite,
KMemoryAttribute::All, KMemoryAttribute::None));
// Verify that the destination memory is unmapped.
- std::size_t num_dst_allocator_blocks{};
+ size_t num_dst_allocator_blocks{};
R_TRY(this->CheckMemoryState(&num_dst_allocator_blocks, dst_address, size, KMemoryState::All,
KMemoryState::Free, KMemoryPermission::None,
KMemoryPermission::None, KMemoryAttribute::None,
KMemoryAttribute::None));
+ // Create an update allocator for the source.
+ Result src_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator src_allocator(std::addressof(src_allocator_result),
+ m_memory_block_slab_manager,
+ num_src_allocator_blocks);
+ R_TRY(src_allocator_result);
+
+ // Create an update allocator for the destination.
+ Result dst_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator dst_allocator(std::addressof(dst_allocator_result),
+ m_memory_block_slab_manager,
+ num_dst_allocator_blocks);
+ R_TRY(dst_allocator_result);
+
// Map the code memory.
{
// Determine the number of pages being operated on.
- const std::size_t num_pages = size / PageSize;
+ const size_t num_pages = size / PageSize;
// Create page groups for the memory being mapped.
KPageGroup pg;
@@ -335,33 +373,37 @@ Result KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::size
unprot_guard.Cancel();
// Apply the memory block updates.
- block_manager->Update(src_address, num_pages, src_state, new_perm,
- KMemoryAttribute::Locked);
- block_manager->Update(dst_address, num_pages, KMemoryState::AliasCode, new_perm,
- KMemoryAttribute::None);
+ m_memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages,
+ src_state, new_perm, KMemoryAttribute::Locked,
+ KMemoryBlockDisableMergeAttribute::Locked,
+ KMemoryBlockDisableMergeAttribute::None);
+ m_memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages,
+ KMemoryState::AliasCode, new_perm, KMemoryAttribute::None,
+ KMemoryBlockDisableMergeAttribute::Normal,
+ KMemoryBlockDisableMergeAttribute::None);
}
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
+Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, size_t size,
ICacheInvalidationStrategy icache_invalidation_strategy) {
// Validate the mapping request.
R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode),
ResultInvalidMemoryRegion);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Verify that the source memory is locked normal heap.
- std::size_t num_src_allocator_blocks{};
+ size_t num_src_allocator_blocks{};
R_TRY(this->CheckMemoryState(std::addressof(num_src_allocator_blocks), src_address, size,
KMemoryState::All, KMemoryState::Normal, KMemoryPermission::None,
KMemoryPermission::None, KMemoryAttribute::All,
KMemoryAttribute::Locked));
// Verify that the destination memory is aliasable code.
- std::size_t num_dst_allocator_blocks{};
+ size_t num_dst_allocator_blocks{};
R_TRY(this->CheckMemoryStateContiguous(
std::addressof(num_dst_allocator_blocks), dst_address, size, KMemoryState::FlagCanCodeAlias,
KMemoryState::FlagCanCodeAlias, KMemoryPermission::None, KMemoryPermission::None,
@@ -370,7 +412,7 @@ Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::si
// Determine whether any pages being unmapped are code.
bool any_code_pages = false;
{
- KMemoryBlockManager::const_iterator it = block_manager->FindIterator(dst_address);
+ KMemoryBlockManager::const_iterator it = m_memory_block_manager.FindIterator(dst_address);
while (true) {
// Get the memory info.
const KMemoryInfo info = it->GetMemoryInfo();
@@ -396,9 +438,9 @@ Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::si
SCOPE_EXIT({
if (reprotected_pages && any_code_pages) {
if (icache_invalidation_strategy == ICacheInvalidationStrategy::InvalidateRange) {
- system.InvalidateCpuInstructionCacheRange(dst_address, size);
+ m_system.InvalidateCpuInstructionCacheRange(dst_address, size);
} else {
- system.InvalidateCpuInstructionCaches();
+ m_system.InvalidateCpuInstructionCaches();
}
}
});
@@ -406,7 +448,21 @@ Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::si
// Unmap.
{
// Determine the number of pages being operated on.
- const std::size_t num_pages = size / PageSize;
+ const size_t num_pages = size / PageSize;
+
+ // Create an update allocator for the source.
+ Result src_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator src_allocator(std::addressof(src_allocator_result),
+ m_memory_block_slab_manager,
+ num_src_allocator_blocks);
+ R_TRY(src_allocator_result);
+
+ // Create an update allocator for the destination.
+ Result dst_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator dst_allocator(std::addressof(dst_allocator_result),
+ m_memory_block_slab_manager,
+ num_dst_allocator_blocks);
+ R_TRY(dst_allocator_result);
// Unmap the aliased copy of the pages.
R_TRY(Operate(dst_address, num_pages, KMemoryPermission::None, OperationType::Unmap));
@@ -416,73 +472,34 @@ Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::si
OperationType::ChangePermissions));
// Apply the memory block updates.
- block_manager->Update(dst_address, num_pages, KMemoryState::None);
- block_manager->Update(src_address, num_pages, KMemoryState::Normal,
- KMemoryPermission::UserReadWrite);
+ m_memory_block_manager.Update(
+ std::addressof(dst_allocator), dst_address, num_pages, KMemoryState::None,
+ KMemoryPermission::None, KMemoryAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None, KMemoryBlockDisableMergeAttribute::Normal);
+ m_memory_block_manager.Update(
+ std::addressof(src_allocator), src_address, num_pages, KMemoryState::Normal,
+ KMemoryPermission::UserReadWrite, KMemoryAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None, KMemoryBlockDisableMergeAttribute::Locked);
// Note that we reprotected pages.
reprotected_pages = true;
}
- return ResultSuccess;
+ R_SUCCEED();
}
-VAddr KPageTable::FindFreeArea(VAddr region_start, std::size_t region_num_pages,
- std::size_t num_pages, std::size_t alignment, std::size_t offset,
- std::size_t guard_pages) {
+VAddr KPageTable::FindFreeArea(VAddr region_start, size_t region_num_pages, size_t num_pages,
+ size_t alignment, size_t offset, size_t guard_pages) {
VAddr address = 0;
if (num_pages <= region_num_pages) {
if (this->IsAslrEnabled()) {
- // Try to directly find a free area up to 8 times.
- for (std::size_t i = 0; i < 8; i++) {
- const std::size_t random_offset =
- KSystemControl::GenerateRandomRange(
- 0, (region_num_pages - num_pages - guard_pages) * PageSize / alignment) *
- alignment;
- const VAddr candidate =
- Common::AlignDown((region_start + random_offset), alignment) + offset;
-
- KMemoryInfo info = this->QueryInfoImpl(candidate);
-
- if (info.state != KMemoryState::Free) {
- continue;
- }
- if (region_start > candidate) {
- continue;
- }
- if (info.GetAddress() + guard_pages * PageSize > candidate) {
- continue;
- }
-
- const VAddr candidate_end = candidate + (num_pages + guard_pages) * PageSize - 1;
- if (candidate_end > info.GetLastAddress()) {
- continue;
- }
- if (candidate_end > region_start + region_num_pages * PageSize - 1) {
- continue;
- }
-
- address = candidate;
- break;
- }
- // Fall back to finding the first free area with a random offset.
- if (address == 0) {
- // NOTE: Nintendo does not account for guard pages here.
- // This may theoretically cause an offset to be chosen that cannot be mapped. We
- // will account for guard pages.
- const std::size_t offset_pages = KSystemControl::GenerateRandomRange(
- 0, region_num_pages - num_pages - guard_pages);
- address = block_manager->FindFreeArea(region_start + offset_pages * PageSize,
- region_num_pages - offset_pages, num_pages,
- alignment, offset, guard_pages);
- }
+ UNIMPLEMENTED();
}
-
// Find the first free area.
if (address == 0) {
- address = block_manager->FindFreeArea(region_start, region_num_pages, num_pages,
- alignment, offset, guard_pages);
+ address = m_memory_block_manager.FindFreeArea(region_start, region_num_pages, num_pages,
+ alignment, offset, guard_pages);
}
}
@@ -500,7 +517,8 @@ Result KPageTable::MakePageGroup(KPageGroup& pg, VAddr addr, size_t num_pages) {
// Begin traversal.
Common::PageTable::TraversalContext context;
Common::PageTable::TraversalEntry next_entry;
- R_UNLESS(page_table_impl.BeginTraversal(next_entry, context, addr), ResultInvalidCurrentMemory);
+ R_UNLESS(m_page_table_impl->BeginTraversal(next_entry, context, addr),
+ ResultInvalidCurrentMemory);
// Prepare tracking variables.
PAddr cur_addr = next_entry.phys_addr;
@@ -508,9 +526,9 @@ Result KPageTable::MakePageGroup(KPageGroup& pg, VAddr addr, size_t num_pages) {
size_t tot_size = cur_size;
// Iterate, adding to group as we go.
- const auto& memory_layout = system.Kernel().MemoryLayout();
+ const auto& memory_layout = m_system.Kernel().MemoryLayout();
while (tot_size < size) {
- R_UNLESS(page_table_impl.ContinueTraversal(next_entry, context),
+ R_UNLESS(m_page_table_impl->ContinueTraversal(next_entry, context),
ResultInvalidCurrentMemory);
if (next_entry.phys_addr != (cur_addr + cur_size)) {
@@ -538,7 +556,7 @@ Result KPageTable::MakePageGroup(KPageGroup& pg, VAddr addr, size_t num_pages) {
R_UNLESS(IsHeapPhysicalAddress(memory_layout, cur_addr), ResultInvalidCurrentMemory);
R_TRY(pg.AddBlock(cur_addr, cur_pages));
- return ResultSuccess;
+ R_SUCCEED();
}
bool KPageTable::IsValidPageGroup(const KPageGroup& pg_ll, VAddr addr, size_t num_pages) {
@@ -546,7 +564,7 @@ bool KPageTable::IsValidPageGroup(const KPageGroup& pg_ll, VAddr addr, size_t nu
const size_t size = num_pages * PageSize;
const auto& pg = pg_ll.Nodes();
- const auto& memory_layout = system.Kernel().MemoryLayout();
+ const auto& memory_layout = m_system.Kernel().MemoryLayout();
// Empty groups are necessarily invalid.
if (pg.empty()) {
@@ -573,7 +591,7 @@ bool KPageTable::IsValidPageGroup(const KPageGroup& pg_ll, VAddr addr, size_t nu
// Begin traversal.
Common::PageTable::TraversalContext context;
Common::PageTable::TraversalEntry next_entry;
- if (!page_table_impl.BeginTraversal(next_entry, context, addr)) {
+ if (!m_page_table_impl->BeginTraversal(next_entry, context, addr)) {
return false;
}
@@ -584,7 +602,7 @@ bool KPageTable::IsValidPageGroup(const KPageGroup& pg_ll, VAddr addr, size_t nu
// Iterate, comparing expected to actual.
while (tot_size < size) {
- if (!page_table_impl.ContinueTraversal(next_entry, context)) {
+ if (!m_page_table_impl->ContinueTraversal(next_entry, context)) {
return false;
}
@@ -630,11 +648,11 @@ bool KPageTable::IsValidPageGroup(const KPageGroup& pg_ll, VAddr addr, size_t nu
return cur_block_address == cur_addr && cur_block_pages == (cur_size / PageSize);
}
-Result KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
+Result KPageTable::UnmapProcessMemory(VAddr dst_addr, size_t size, KPageTable& src_page_table,
VAddr src_addr) {
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
- const std::size_t num_pages{size / PageSize};
+ const size_t num_pages{size / PageSize};
// Check that the memory is mapped in the destination process.
size_t num_allocator_blocks;
@@ -649,43 +667,51 @@ Result KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTab
KMemoryPermission::None, KMemoryAttribute::All,
KMemoryAttribute::None));
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
CASCADE_CODE(Operate(dst_addr, num_pages, KMemoryPermission::None, OperationType::Unmap));
// Apply the memory block update.
- block_manager->Update(dst_addr, num_pages, KMemoryState::Free, KMemoryPermission::None,
- KMemoryAttribute::None);
+ m_memory_block_manager.Update(std::addressof(allocator), dst_addr, num_pages,
+ KMemoryState::Free, KMemoryPermission::None,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::Normal);
- system.InvalidateCpuInstructionCaches();
+ m_system.InvalidateCpuInstructionCaches();
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
+Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
// Lock the physical memory lock.
- KScopedLightLock map_phys_mem_lk(map_physical_memory_lock);
+ KScopedLightLock map_phys_mem_lk(m_map_physical_memory_lock);
// Calculate the last address for convenience.
const VAddr last_address = address + size - 1;
// Define iteration variables.
VAddr cur_address;
- std::size_t mapped_size;
+ size_t mapped_size;
// The entire mapping process can be retried.
while (true) {
// Check if the memory is already mapped.
{
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Iterate over the memory.
cur_address = address;
mapped_size = 0;
- auto it = block_manager->FindIterator(cur_address);
+ auto it = m_memory_block_manager.FindIterator(cur_address);
while (true) {
// Check that the iterator is valid.
- ASSERT(it != block_manager->end());
+ ASSERT(it != m_memory_block_manager.end());
// Get the memory info.
const KMemoryInfo info = it->GetMemoryInfo();
@@ -716,20 +742,20 @@ Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
{
// Reserve the memory from the process resource limit.
KScopedResourceReservation memory_reservation(
- system.Kernel().CurrentProcess()->GetResourceLimit(),
+ m_system.Kernel().CurrentProcess()->GetResourceLimit(),
LimitableResource::PhysicalMemory, size - mapped_size);
R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached);
// Allocate pages for the new memory.
KPageGroup pg;
- R_TRY(system.Kernel().MemoryManager().AllocateAndOpenForProcess(
+ R_TRY(m_system.Kernel().MemoryManager().AllocateAndOpenForProcess(
&pg, (size - mapped_size) / PageSize,
- KMemoryManager::EncodeOption(memory_pool, allocation_option), 0, 0));
+ KMemoryManager::EncodeOption(m_memory_pool, m_allocation_option), 0, 0));
// Map the memory.
{
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
size_t num_allocator_blocks = 0;
@@ -739,10 +765,10 @@ Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
size_t checked_mapped_size = 0;
cur_address = address;
- auto it = block_manager->FindIterator(cur_address);
+ auto it = m_memory_block_manager.FindIterator(cur_address);
while (true) {
// Check that the iterator is valid.
- ASSERT(it != block_manager->end());
+ ASSERT(it != m_memory_block_manager.end());
// Get the memory info.
const KMemoryInfo info = it->GetMemoryInfo();
@@ -782,6 +808,14 @@ Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
}
}
+ // Create an update allocator.
+ ASSERT(num_allocator_blocks <= KMemoryBlockManagerUpdateAllocator::MaxBlocks);
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager,
+ num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Reset the current tracking address, and make sure we clean up on failure.
cur_address = address;
auto unmap_guard = detail::ScopeExit([&] {
@@ -791,10 +825,10 @@ Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
// Iterate, unmapping the pages.
cur_address = address;
- auto it = block_manager->FindIterator(cur_address);
+ auto it = m_memory_block_manager.FindIterator(cur_address);
while (true) {
// Check that the iterator is valid.
- ASSERT(it != block_manager->end());
+ ASSERT(it != m_memory_block_manager.end());
// Get the memory info.
const KMemoryInfo info = it->GetMemoryInfo();
@@ -830,10 +864,10 @@ Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
PAddr pg_phys_addr = pg_it->GetAddress();
size_t pg_pages = pg_it->GetNumPages();
- auto it = block_manager->FindIterator(cur_address);
+ auto it = m_memory_block_manager.FindIterator(cur_address);
while (true) {
// Check that the iterator is valid.
- ASSERT(it != block_manager->end());
+ ASSERT(it != m_memory_block_manager.end());
// Get the memory info.
const KMemoryInfo info = it->GetMemoryInfo();
@@ -886,37 +920,37 @@ Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) {
memory_reservation.Commit();
// Increase our tracked mapped size.
- mapped_physical_memory_size += (size - mapped_size);
+ m_mapped_physical_memory_size += (size - mapped_size);
// Update the relevant memory blocks.
- block_manager->Update(address, size / PageSize, KMemoryState::Free,
- KMemoryPermission::None, KMemoryAttribute::None,
- KMemoryState::Normal, KMemoryPermission::UserReadWrite,
- KMemoryAttribute::None);
+ m_memory_block_manager.UpdateIfMatch(
+ std::addressof(allocator), address, size / PageSize, KMemoryState::Free,
+ KMemoryPermission::None, KMemoryAttribute::None, KMemoryState::Normal,
+ KMemoryPermission::UserReadWrite, KMemoryAttribute::None);
// Cancel our guard.
unmap_guard.Cancel();
- return ResultSuccess;
+ R_SUCCEED();
}
}
}
}
-Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
+Result KPageTable::UnmapPhysicalMemory(VAddr address, size_t size) {
// Lock the physical memory lock.
- KScopedLightLock map_phys_mem_lk(map_physical_memory_lock);
+ KScopedLightLock map_phys_mem_lk(m_map_physical_memory_lock);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Calculate the last address for convenience.
const VAddr last_address = address + size - 1;
// Define iteration variables.
VAddr cur_address = 0;
- std::size_t mapped_size = 0;
- std::size_t num_allocator_blocks = 0;
+ size_t mapped_size = 0;
+ size_t num_allocator_blocks = 0;
// Check if the memory is mapped.
{
@@ -924,10 +958,10 @@ Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
cur_address = address;
mapped_size = 0;
- auto it = block_manager->FindIterator(cur_address);
+ auto it = m_memory_block_manager.FindIterator(cur_address);
while (true) {
// Check that the iterator is valid.
- ASSERT(it != block_manager->end());
+ ASSERT(it != m_memory_block_manager.end());
// Get the memory info.
const KMemoryInfo info = it->GetMemoryInfo();
@@ -1022,6 +1056,13 @@ Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
}
ASSERT(pg.GetNumPages() == mapped_size / PageSize);
+ // Create an update allocator.
+ ASSERT(num_allocator_blocks <= KMemoryBlockManagerUpdateAllocator::MaxBlocks);
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Reset the current tracking address, and make sure we clean up on failure.
cur_address = address;
auto remap_guard = detail::ScopeExit([&] {
@@ -1030,7 +1071,7 @@ Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
cur_address = address;
// Iterate over the memory we unmapped.
- auto it = block_manager->FindIterator(cur_address);
+ auto it = m_memory_block_manager.FindIterator(cur_address);
auto pg_it = pg.Nodes().begin();
PAddr pg_phys_addr = pg_it->GetAddress();
size_t pg_pages = pg_it->GetNumPages();
@@ -1085,10 +1126,10 @@ Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
});
// Iterate over the memory, unmapping as we go.
- auto it = block_manager->FindIterator(cur_address);
+ auto it = m_memory_block_manager.FindIterator(cur_address);
while (true) {
// Check that the iterator is valid.
- ASSERT(it != block_manager->end());
+ ASSERT(it != m_memory_block_manager.end());
// Get the memory info.
const KMemoryInfo info = it->GetMemoryInfo();
@@ -1115,104 +1156,159 @@ Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) {
}
// Release the memory resource.
- mapped_physical_memory_size -= mapped_size;
- auto process{system.Kernel().CurrentProcess()};
+ m_mapped_physical_memory_size -= mapped_size;
+ auto process{m_system.Kernel().CurrentProcess()};
process->GetResourceLimit()->Release(LimitableResource::PhysicalMemory, mapped_size);
// Update memory blocks.
- block_manager->Update(address, size / PageSize, KMemoryState::Free, KMemoryPermission::None,
- KMemoryAttribute::None);
+ m_memory_block_manager.Update(std::addressof(allocator), address, size / PageSize,
+ KMemoryState::Free, KMemoryPermission::None,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None);
// TODO(bunnei): This is a workaround until the next set of changes, where we add reference
// counting for mapped pages. Until then, we must manually close the reference to the page
// group.
- system.Kernel().MemoryManager().Close(pg);
+ m_system.Kernel().MemoryManager().Close(pg);
// We succeeded.
remap_guard.Cancel();
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
- KScopedLightLock lk(general_lock);
+Result KPageTable::MapMemory(VAddr dst_address, VAddr src_address, size_t size) {
+ // Lock the table.
+ KScopedLightLock lk(m_general_lock);
- KMemoryState src_state{};
- CASCADE_CODE(CheckMemoryState(
- &src_state, nullptr, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias,
- KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::UserReadWrite,
- KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
+ // Validate that the source address's state is valid.
+ KMemoryState src_state;
+ size_t num_src_allocator_blocks;
+ R_TRY(this->CheckMemoryState(std::addressof(src_state), nullptr, nullptr,
+ std::addressof(num_src_allocator_blocks), src_address, size,
+ KMemoryState::FlagCanAlias, KMemoryState::FlagCanAlias,
+ KMemoryPermission::All, KMemoryPermission::UserReadWrite,
+ KMemoryAttribute::All, KMemoryAttribute::None));
- if (IsRegionMapped(dst_addr, size)) {
- return ResultInvalidCurrentMemory;
- }
+ // Validate that the dst address's state is valid.
+ size_t num_dst_allocator_blocks;
+ R_TRY(this->CheckMemoryState(std::addressof(num_dst_allocator_blocks), dst_address, size,
+ KMemoryState::All, KMemoryState::Free, KMemoryPermission::None,
+ KMemoryPermission::None, KMemoryAttribute::None,
+ KMemoryAttribute::None));
+ // Create an update allocator for the source.
+ Result src_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator src_allocator(std::addressof(src_allocator_result),
+ m_memory_block_slab_manager,
+ num_src_allocator_blocks);
+ R_TRY(src_allocator_result);
+
+ // Create an update allocator for the destination.
+ Result dst_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator dst_allocator(std::addressof(dst_allocator_result),
+ m_memory_block_slab_manager,
+ num_dst_allocator_blocks);
+ R_TRY(dst_allocator_result);
+
+ // Map the memory.
KPageGroup page_linked_list;
- const std::size_t num_pages{size / PageSize};
-
- AddRegionToPages(src_addr, num_pages, page_linked_list);
+ const size_t num_pages{size / PageSize};
+ const KMemoryPermission new_src_perm = static_cast<KMemoryPermission>(
+ KMemoryPermission::KernelRead | KMemoryPermission::NotMapped);
+ const KMemoryAttribute new_src_attr = KMemoryAttribute::Locked;
+ AddRegionToPages(src_address, num_pages, page_linked_list);
{
+ // Reprotect the source as kernel-read/not mapped.
auto block_guard = detail::ScopeExit([&] {
- Operate(src_addr, num_pages, KMemoryPermission::UserReadWrite,
+ Operate(src_address, num_pages, KMemoryPermission::UserReadWrite,
OperationType::ChangePermissions);
});
-
- CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::None,
- OperationType::ChangePermissions));
- CASCADE_CODE(MapPages(dst_addr, page_linked_list, KMemoryPermission::UserReadWrite));
+ R_TRY(Operate(src_address, num_pages, new_src_perm, OperationType::ChangePermissions));
+ R_TRY(MapPages(dst_address, page_linked_list, KMemoryPermission::UserReadWrite));
block_guard.Cancel();
}
- block_manager->Update(src_addr, num_pages, src_state, KMemoryPermission::None,
- KMemoryAttribute::Locked);
- block_manager->Update(dst_addr, num_pages, KMemoryState::Stack,
- KMemoryPermission::UserReadWrite);
+ // Apply the memory block updates.
+ m_memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state,
+ new_src_perm, new_src_attr,
+ KMemoryBlockDisableMergeAttribute::Locked,
+ KMemoryBlockDisableMergeAttribute::None);
+ m_memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages,
+ KMemoryState::Stack, KMemoryPermission::UserReadWrite,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::Normal,
+ KMemoryBlockDisableMergeAttribute::None);
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
- KScopedLightLock lk(general_lock);
+Result KPageTable::UnmapMemory(VAddr dst_address, VAddr src_address, size_t size) {
+ // Lock the table.
+ KScopedLightLock lk(m_general_lock);
- KMemoryState src_state{};
- CASCADE_CODE(CheckMemoryState(
- &src_state, nullptr, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias,
- KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::None,
- KMemoryAttribute::Mask, KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
+ // Validate that the source address's state is valid.
+ KMemoryState src_state;
+ size_t num_src_allocator_blocks;
+ R_TRY(this->CheckMemoryState(
+ std::addressof(src_state), nullptr, nullptr, std::addressof(num_src_allocator_blocks),
+ src_address, size, KMemoryState::FlagCanAlias, KMemoryState::FlagCanAlias,
+ KMemoryPermission::All, KMemoryPermission::NotMapped | KMemoryPermission::KernelRead,
+ KMemoryAttribute::All, KMemoryAttribute::Locked));
- KMemoryPermission dst_perm{};
- CASCADE_CODE(CheckMemoryState(nullptr, &dst_perm, nullptr, nullptr, dst_addr, size,
- KMemoryState::All, KMemoryState::Stack, KMemoryPermission::None,
- KMemoryPermission::None, KMemoryAttribute::Mask,
- KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
+ // Validate that the dst address's state is valid.
+ KMemoryPermission dst_perm;
+ size_t num_dst_allocator_blocks;
+ R_TRY(this->CheckMemoryState(
+ nullptr, std::addressof(dst_perm), nullptr, std::addressof(num_dst_allocator_blocks),
+ dst_address, size, KMemoryState::All, KMemoryState::Stack, KMemoryPermission::None,
+ KMemoryPermission::None, KMemoryAttribute::All, KMemoryAttribute::None));
+
+ // Create an update allocator for the source.
+ Result src_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator src_allocator(std::addressof(src_allocator_result),
+ m_memory_block_slab_manager,
+ num_src_allocator_blocks);
+ R_TRY(src_allocator_result);
+
+ // Create an update allocator for the destination.
+ Result dst_allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator dst_allocator(std::addressof(dst_allocator_result),
+ m_memory_block_slab_manager,
+ num_dst_allocator_blocks);
+ R_TRY(dst_allocator_result);
KPageGroup src_pages;
KPageGroup dst_pages;
- const std::size_t num_pages{size / PageSize};
+ const size_t num_pages{size / PageSize};
- AddRegionToPages(src_addr, num_pages, src_pages);
- AddRegionToPages(dst_addr, num_pages, dst_pages);
+ AddRegionToPages(src_address, num_pages, src_pages);
+ AddRegionToPages(dst_address, num_pages, dst_pages);
- if (!dst_pages.IsEqual(src_pages)) {
- return ResultInvalidMemoryRegion;
- }
+ R_UNLESS(dst_pages.IsEqual(src_pages), ResultInvalidMemoryRegion);
{
- auto block_guard = detail::ScopeExit([&] { MapPages(dst_addr, dst_pages, dst_perm); });
+ auto block_guard = detail::ScopeExit([&] { MapPages(dst_address, dst_pages, dst_perm); });
- CASCADE_CODE(Operate(dst_addr, num_pages, KMemoryPermission::None, OperationType::Unmap));
- CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::UserReadWrite,
- OperationType::ChangePermissions));
+ R_TRY(Operate(dst_address, num_pages, KMemoryPermission::None, OperationType::Unmap));
+ R_TRY(Operate(src_address, num_pages, KMemoryPermission::UserReadWrite,
+ OperationType::ChangePermissions));
block_guard.Cancel();
}
- block_manager->Update(src_addr, num_pages, src_state, KMemoryPermission::UserReadWrite);
- block_manager->Update(dst_addr, num_pages, KMemoryState::Free);
+ // Apply the memory block updates.
+ m_memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state,
+ KMemoryPermission::UserReadWrite, KMemoryAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::Locked);
+ m_memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages,
+ KMemoryState::None, KMemoryPermission::None,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::Normal);
- return ResultSuccess;
+ R_SUCCEED();
}
Result KPageTable::MapPages(VAddr addr, const KPageGroup& page_linked_list,
@@ -1225,48 +1321,54 @@ Result KPageTable::MapPages(VAddr addr, const KPageGroup& page_linked_list,
if (const auto result{
Operate(cur_addr, node.GetNumPages(), perm, OperationType::Map, node.GetAddress())};
result.IsError()) {
- const std::size_t num_pages{(addr - cur_addr) / PageSize};
+ const size_t num_pages{(addr - cur_addr) / PageSize};
ASSERT(Operate(addr, num_pages, KMemoryPermission::None, OperationType::Unmap)
.IsSuccess());
- return result;
+ R_RETURN(result);
}
cur_addr += node.GetNumPages() * PageSize;
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KPageTable::MapPages(VAddr address, KPageGroup& page_linked_list, KMemoryState state,
KMemoryPermission perm) {
// Check that the map is in range.
- const std::size_t num_pages{page_linked_list.GetNumPages()};
- const std::size_t size{num_pages * PageSize};
+ const size_t num_pages{page_linked_list.GetNumPages()};
+ const size_t size{num_pages * PageSize};
R_UNLESS(this->CanContain(address, size, state), ResultInvalidCurrentMemory);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Check the memory state.
R_TRY(this->CheckMemoryState(address, size, KMemoryState::All, KMemoryState::Free,
KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::None, KMemoryAttribute::None));
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager);
+
// Map the pages.
R_TRY(MapPages(address, page_linked_list, perm));
// Update the blocks.
- block_manager->Update(address, num_pages, state, perm);
+ m_memory_block_manager.Update(std::addressof(allocator), address, num_pages, state, perm,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::Normal,
+ KMemoryBlockDisableMergeAttribute::None);
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment,
- PAddr phys_addr, bool is_pa_valid, VAddr region_start,
- std::size_t region_num_pages, KMemoryState state,
- KMemoryPermission perm) {
+Result KPageTable::MapPages(VAddr* out_addr, size_t num_pages, size_t alignment, PAddr phys_addr,
+ bool is_pa_valid, VAddr region_start, size_t region_num_pages,
+ KMemoryState state, KMemoryPermission perm) {
ASSERT(Common::IsAligned(alignment, PageSize) && alignment >= PageSize);
// Ensure this is a valid map request.
@@ -1275,7 +1377,7 @@ Result KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t
R_UNLESS(num_pages < region_num_pages, ResultOutOfMemory);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Find a random address to map at.
VAddr addr = this->FindFreeArea(region_start, region_num_pages, num_pages, alignment, 0,
@@ -1288,6 +1390,11 @@ Result KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t
KMemoryAttribute::None, KMemoryAttribute::None)
.IsSuccess());
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager);
+
// Perform mapping operation.
if (is_pa_valid) {
R_TRY(this->Operate(addr, num_pages, perm, OperationType::Map, phys_addr));
@@ -1296,11 +1403,13 @@ Result KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t
}
// Update the blocks.
- block_manager->Update(addr, num_pages, state, perm);
+ m_memory_block_manager.Update(std::addressof(allocator), addr, num_pages, state, perm,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::Normal,
+ KMemoryBlockDisableMergeAttribute::None);
// We successfully mapped the pages.
*out_addr = addr;
- return ResultSuccess;
+ R_SUCCEED();
}
Result KPageTable::UnmapPages(VAddr addr, const KPageGroup& page_linked_list) {
@@ -1312,60 +1421,80 @@ Result KPageTable::UnmapPages(VAddr addr, const KPageGroup& page_linked_list) {
if (const auto result{Operate(cur_addr, node.GetNumPages(), KMemoryPermission::None,
OperationType::Unmap)};
result.IsError()) {
- return result;
+ R_RETURN(result);
}
cur_addr += node.GetNumPages() * PageSize;
}
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::UnmapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state) {
+Result KPageTable::UnmapPages(VAddr address, KPageGroup& page_linked_list, KMemoryState state) {
// Check that the unmap is in range.
- const std::size_t num_pages{page_linked_list.GetNumPages()};
- const std::size_t size{num_pages * PageSize};
- R_UNLESS(this->Contains(addr, size), ResultInvalidCurrentMemory);
-
- // Lock the table.
- KScopedLightLock lk(general_lock);
-
- // Check the memory state.
- R_TRY(this->CheckMemoryState(addr, size, KMemoryState::All, state, KMemoryPermission::None,
- KMemoryPermission::None, KMemoryAttribute::All,
- KMemoryAttribute::None));
-
- // Perform the unmap.
- R_TRY(UnmapPages(addr, page_linked_list));
-
- // Update the blocks.
- block_manager->Update(addr, num_pages, state, KMemoryPermission::None);
-
- return ResultSuccess;
-}
-
-Result KPageTable::UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state) {
- // Check that the unmap is in range.
- const std::size_t size = num_pages * PageSize;
+ const size_t num_pages{page_linked_list.GetNumPages()};
+ const size_t size{num_pages * PageSize};
R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Check the memory state.
- std::size_t num_allocator_blocks{};
+ size_t num_allocator_blocks;
R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks), address, size,
KMemoryState::All, state, KMemoryPermission::None,
KMemoryPermission::None, KMemoryAttribute::All,
KMemoryAttribute::None));
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
+ // Perform the unmap.
+ R_TRY(UnmapPages(address, page_linked_list));
+
+ // Update the blocks.
+ m_memory_block_manager.Update(std::addressof(allocator), address, num_pages, KMemoryState::Free,
+ KMemoryPermission::None, KMemoryAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::Normal);
+
+ R_SUCCEED();
+}
+
+Result KPageTable::UnmapPages(VAddr address, size_t num_pages, KMemoryState state) {
+ // Check that the unmap is in range.
+ const size_t size = num_pages * PageSize;
+ R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
+
+ // Lock the table.
+ KScopedLightLock lk(m_general_lock);
+
+ // Check the memory state.
+ size_t num_allocator_blocks{};
+ R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks), address, size,
+ KMemoryState::All, state, KMemoryPermission::None,
+ KMemoryPermission::None, KMemoryAttribute::All,
+ KMemoryAttribute::None));
+
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Perform the unmap.
R_TRY(Operate(address, num_pages, KMemoryPermission::None, OperationType::Unmap));
// Update the blocks.
- block_manager->Update(address, num_pages, KMemoryState::Free, KMemoryPermission::None);
+ m_memory_block_manager.Update(std::addressof(allocator), address, num_pages, KMemoryState::Free,
+ KMemoryPermission::None, KMemoryAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::Normal);
- return ResultSuccess;
+ R_SUCCEED();
}
Result KPageTable::MakeAndOpenPageGroup(KPageGroup* out, VAddr address, size_t num_pages,
@@ -1380,7 +1509,7 @@ Result KPageTable::MakeAndOpenPageGroup(KPageGroup* out, VAddr address, size_t n
R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Check if state allows us to create the group.
R_TRY(this->CheckMemoryState(address, size, state_mask | KMemoryState::FlagReferenceCounted,
@@ -1390,15 +1519,15 @@ Result KPageTable::MakeAndOpenPageGroup(KPageGroup* out, VAddr address, size_t n
// Create a new page group for the region.
R_TRY(this->MakePageGroup(*out, address, num_pages));
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
+Result KPageTable::SetProcessMemoryPermission(VAddr addr, size_t size,
Svc::MemoryPermission svc_perm) {
const size_t num_pages = size / PageSize;
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Verify we can change the memory permission.
KMemoryState old_state;
@@ -1435,105 +1564,101 @@ Result KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
// Succeed if there's nothing to do.
R_SUCCEED_IF(old_perm == new_perm && old_state == new_state);
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Perform mapping operation.
const auto operation =
was_x ? OperationType::ChangePermissionsAndRefresh : OperationType::ChangePermissions;
R_TRY(Operate(addr, num_pages, new_perm, operation));
// Update the blocks.
- block_manager->Update(addr, num_pages, new_state, new_perm, KMemoryAttribute::None);
+ m_memory_block_manager.Update(std::addressof(allocator), addr, num_pages, new_state, new_perm,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None);
// Ensure cache coherency, if we're setting pages as executable.
if (is_x) {
- system.InvalidateCpuInstructionCacheRange(addr, size);
+ m_system.InvalidateCpuInstructionCacheRange(addr, size);
}
- return ResultSuccess;
+ R_SUCCEED();
}
KMemoryInfo KPageTable::QueryInfoImpl(VAddr addr) {
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
- return block_manager->FindBlock(addr).GetMemoryInfo();
+ return m_memory_block_manager.FindBlock(addr)->GetMemoryInfo();
}
KMemoryInfo KPageTable::QueryInfo(VAddr addr) {
if (!Contains(addr, 1)) {
- return {address_space_end, 0 - address_space_end, KMemoryState::Inaccessible,
- KMemoryPermission::None, KMemoryAttribute::None, KMemoryPermission::None};
+ return {
+ .m_address = m_address_space_end,
+ .m_size = 0 - m_address_space_end,
+ .m_state = static_cast<KMemoryState>(Svc::MemoryState::Inaccessible),
+ .m_device_disable_merge_left_count = 0,
+ .m_device_disable_merge_right_count = 0,
+ .m_ipc_lock_count = 0,
+ .m_device_use_count = 0,
+ .m_ipc_disable_merge_count = 0,
+ .m_permission = KMemoryPermission::None,
+ .m_attribute = KMemoryAttribute::None,
+ .m_original_permission = KMemoryPermission::None,
+ .m_disable_merge_attribute = KMemoryBlockDisableMergeAttribute::None,
+ };
}
return QueryInfoImpl(addr);
}
-Result KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) {
- KScopedLightLock lk(general_lock);
-
- KMemoryState state{};
- KMemoryAttribute attribute{};
-
- R_TRY(CheckMemoryState(&state, nullptr, &attribute, nullptr, addr, size,
- KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
- KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
- KMemoryPermission::All, KMemoryPermission::UserReadWrite,
- KMemoryAttribute::Mask, KMemoryAttribute::None,
- KMemoryAttribute::IpcAndDeviceMapped));
-
- block_manager->Update(addr, size / PageSize, state, perm, attribute | KMemoryAttribute::Locked);
-
- return ResultSuccess;
-}
-
-Result KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
- KScopedLightLock lk(general_lock);
-
- KMemoryState state{};
-
- R_TRY(CheckMemoryState(&state, nullptr, nullptr, nullptr, addr, size,
- KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
- KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
- KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::Mask,
- KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
-
- block_manager->Update(addr, size / PageSize, state, KMemoryPermission::UserReadWrite);
- return ResultSuccess;
-}
-
-Result KPageTable::SetMemoryPermission(VAddr addr, std::size_t size,
- Svc::MemoryPermission svc_perm) {
+Result KPageTable::SetMemoryPermission(VAddr addr, size_t size, Svc::MemoryPermission svc_perm) {
const size_t num_pages = size / PageSize;
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Verify we can change the memory permission.
KMemoryState old_state;
KMemoryPermission old_perm;
- R_TRY(this->CheckMemoryState(
- std::addressof(old_state), std::addressof(old_perm), nullptr, nullptr, addr, size,
- KMemoryState::FlagCanReprotect, KMemoryState::FlagCanReprotect, KMemoryPermission::None,
- KMemoryPermission::None, KMemoryAttribute::All, KMemoryAttribute::None));
+ size_t num_allocator_blocks;
+ R_TRY(this->CheckMemoryState(std::addressof(old_state), std::addressof(old_perm), nullptr,
+ std::addressof(num_allocator_blocks), addr, size,
+ KMemoryState::FlagCanReprotect, KMemoryState::FlagCanReprotect,
+ KMemoryPermission::None, KMemoryPermission::None,
+ KMemoryAttribute::All, KMemoryAttribute::None));
// Determine new perm.
const KMemoryPermission new_perm = ConvertToKMemoryPermission(svc_perm);
R_SUCCEED_IF(old_perm == new_perm);
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Perform mapping operation.
R_TRY(Operate(addr, num_pages, new_perm, OperationType::ChangePermissions));
// Update the blocks.
- block_manager->Update(addr, num_pages, old_state, new_perm, KMemoryAttribute::None);
+ m_memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, new_perm,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None);
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u32 attr) {
+Result KPageTable::SetMemoryAttribute(VAddr addr, size_t size, u32 mask, u32 attr) {
const size_t num_pages = size / PageSize;
ASSERT((static_cast<KMemoryAttribute>(mask) | KMemoryAttribute::SetMask) ==
KMemoryAttribute::SetMask);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Verify we can change the memory attribute.
KMemoryState old_state;
@@ -1548,6 +1673,12 @@ Result KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u3
KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
AttributeTestMask, KMemoryAttribute::None, ~AttributeTestMask));
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Determine the new attribute.
const KMemoryAttribute new_attr =
static_cast<KMemoryAttribute>(((old_attr & static_cast<KMemoryAttribute>(~mask)) |
@@ -1557,123 +1688,142 @@ Result KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u3
this->Operate(addr, num_pages, old_perm, OperationType::ChangePermissionsAndRefresh);
// Update the blocks.
- block_manager->Update(addr, num_pages, old_state, old_perm, new_attr);
+ m_memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, old_perm,
+ new_attr, KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None);
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::SetMaxHeapSize(std::size_t size) {
+Result KPageTable::SetMaxHeapSize(size_t size) {
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Only process page tables are allowed to set heap size.
ASSERT(!this->IsKernel());
- max_heap_size = size;
+ m_max_heap_size = size;
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
+Result KPageTable::SetHeapSize(VAddr* out, size_t size) {
// Lock the physical memory mutex.
- KScopedLightLock map_phys_mem_lk(map_physical_memory_lock);
+ KScopedLightLock map_phys_mem_lk(m_map_physical_memory_lock);
// Try to perform a reduction in heap, instead of an extension.
VAddr cur_address{};
- std::size_t allocation_size{};
+ size_t allocation_size{};
{
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Validate that setting heap size is possible at all.
- R_UNLESS(!is_kernel, ResultOutOfMemory);
- R_UNLESS(size <= static_cast<std::size_t>(heap_region_end - heap_region_start),
+ R_UNLESS(!m_is_kernel, ResultOutOfMemory);
+ R_UNLESS(size <= static_cast<size_t>(m_heap_region_end - m_heap_region_start),
ResultOutOfMemory);
- R_UNLESS(size <= max_heap_size, ResultOutOfMemory);
+ R_UNLESS(size <= m_max_heap_size, ResultOutOfMemory);
if (size < GetHeapSize()) {
// The size being requested is less than the current size, so we need to free the end of
// the heap.
// Validate memory state.
- std::size_t num_allocator_blocks;
+ size_t num_allocator_blocks;
R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks),
- heap_region_start + size, GetHeapSize() - size,
+ m_heap_region_start + size, GetHeapSize() - size,
KMemoryState::All, KMemoryState::Normal,
KMemoryPermission::All, KMemoryPermission::UserReadWrite,
KMemoryAttribute::All, KMemoryAttribute::None));
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager,
+ num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Unmap the end of the heap.
const auto num_pages = (GetHeapSize() - size) / PageSize;
- R_TRY(Operate(heap_region_start + size, num_pages, KMemoryPermission::None,
+ R_TRY(Operate(m_heap_region_start + size, num_pages, KMemoryPermission::None,
OperationType::Unmap));
// Release the memory from the resource limit.
- system.Kernel().CurrentProcess()->GetResourceLimit()->Release(
+ m_system.Kernel().CurrentProcess()->GetResourceLimit()->Release(
LimitableResource::PhysicalMemory, num_pages * PageSize);
// Apply the memory block update.
- block_manager->Update(heap_region_start + size, num_pages, KMemoryState::Free,
- KMemoryPermission::None, KMemoryAttribute::None);
+ m_memory_block_manager.Update(std::addressof(allocator), m_heap_region_start + size,
+ num_pages, KMemoryState::Free, KMemoryPermission::None,
+ KMemoryAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None,
+ size == 0 ? KMemoryBlockDisableMergeAttribute::Normal
+ : KMemoryBlockDisableMergeAttribute::None);
// Update the current heap end.
- current_heap_end = heap_region_start + size;
+ m_current_heap_end = m_heap_region_start + size;
// Set the output.
- *out = heap_region_start;
- return ResultSuccess;
+ *out = m_heap_region_start;
+ R_SUCCEED();
} else if (size == GetHeapSize()) {
// The size requested is exactly the current size.
- *out = heap_region_start;
- return ResultSuccess;
+ *out = m_heap_region_start;
+ R_SUCCEED();
} else {
// We have to allocate memory. Determine how much to allocate and where while the table
// is locked.
- cur_address = current_heap_end;
+ cur_address = m_current_heap_end;
allocation_size = size - GetHeapSize();
}
}
// Reserve memory for the heap extension.
KScopedResourceReservation memory_reservation(
- system.Kernel().CurrentProcess()->GetResourceLimit(), LimitableResource::PhysicalMemory,
+ m_system.Kernel().CurrentProcess()->GetResourceLimit(), LimitableResource::PhysicalMemory,
allocation_size);
R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached);
// Allocate pages for the heap extension.
KPageGroup pg;
- R_TRY(system.Kernel().MemoryManager().AllocateAndOpen(
+ R_TRY(m_system.Kernel().MemoryManager().AllocateAndOpen(
&pg, allocation_size / PageSize,
- KMemoryManager::EncodeOption(memory_pool, allocation_option)));
+ KMemoryManager::EncodeOption(m_memory_pool, m_allocation_option)));
// Clear all the newly allocated pages.
for (const auto& it : pg.Nodes()) {
- std::memset(system.DeviceMemory().GetPointer(it.GetAddress()), heap_fill_value,
+ std::memset(m_system.DeviceMemory().GetPointer<void>(it.GetAddress()), m_heap_fill_value,
it.GetSize());
}
// Map the pages.
{
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Ensure that the heap hasn't changed since we began executing.
- ASSERT(cur_address == current_heap_end);
+ ASSERT(cur_address == m_current_heap_end);
// Check the memory state.
- std::size_t num_allocator_blocks{};
- R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks), current_heap_end,
+ size_t num_allocator_blocks{};
+ R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks), m_current_heap_end,
allocation_size, KMemoryState::All, KMemoryState::Free,
KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::None, KMemoryAttribute::None));
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(
+ std::addressof(allocator_result), m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Map the pages.
const auto num_pages = allocation_size / PageSize;
- R_TRY(Operate(current_heap_end, num_pages, pg, OperationType::MapGroup));
+ R_TRY(Operate(m_current_heap_end, num_pages, pg, OperationType::MapGroup));
// Clear all the newly allocated pages.
- for (std::size_t cur_page = 0; cur_page < num_pages; ++cur_page) {
- std::memset(system.Memory().GetPointer(current_heap_end + (cur_page * PageSize)), 0,
+ for (size_t cur_page = 0; cur_page < num_pages; ++cur_page) {
+ std::memset(m_system.Memory().GetPointer(m_current_heap_end + (cur_page * PageSize)), 0,
PageSize);
}
@@ -1681,133 +1831,172 @@ Result KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
memory_reservation.Commit();
// Apply the memory block update.
- block_manager->Update(current_heap_end, num_pages, KMemoryState::Normal,
- KMemoryPermission::UserReadWrite, KMemoryAttribute::None);
+ m_memory_block_manager.Update(
+ std::addressof(allocator), m_current_heap_end, num_pages, KMemoryState::Normal,
+ KMemoryPermission::UserReadWrite, KMemoryAttribute::None,
+ m_heap_region_start == m_current_heap_end ? KMemoryBlockDisableMergeAttribute::Normal
+ : KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::None);
// Update the current heap end.
- current_heap_end = heap_region_start + size;
+ m_current_heap_end = m_heap_region_start + size;
// Set the output.
- *out = heap_region_start;
- return ResultSuccess;
+ *out = m_heap_region_start;
+ R_SUCCEED();
}
}
-ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
+ResultVal<VAddr> KPageTable::AllocateAndMapMemory(size_t needed_num_pages, size_t align,
bool is_map_only, VAddr region_start,
- std::size_t region_num_pages, KMemoryState state,
+ size_t region_num_pages, KMemoryState state,
KMemoryPermission perm, PAddr map_addr) {
- KScopedLightLock lk(general_lock);
-
- if (!CanContain(region_start, region_num_pages * PageSize, state)) {
- return ResultInvalidCurrentMemory;
- }
-
- if (region_num_pages <= needed_num_pages) {
- return ResultOutOfMemory;
- }
+ KScopedLightLock lk(m_general_lock);
+ R_UNLESS(CanContain(region_start, region_num_pages * PageSize, state),
+ ResultInvalidCurrentMemory);
+ R_UNLESS(region_num_pages > needed_num_pages, ResultOutOfMemory);
const VAddr addr{
AllocateVirtualMemory(region_start, region_num_pages, needed_num_pages, align)};
- if (!addr) {
- return ResultOutOfMemory;
- }
+ R_UNLESS(addr, ResultOutOfMemory);
+
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager);
if (is_map_only) {
R_TRY(Operate(addr, needed_num_pages, perm, OperationType::Map, map_addr));
} else {
KPageGroup page_group;
- R_TRY(system.Kernel().MemoryManager().AllocateAndOpenForProcess(
+ R_TRY(m_system.Kernel().MemoryManager().AllocateAndOpenForProcess(
&page_group, needed_num_pages,
- KMemoryManager::EncodeOption(memory_pool, allocation_option), 0, 0));
+ KMemoryManager::EncodeOption(m_memory_pool, m_allocation_option), 0, 0));
R_TRY(Operate(addr, needed_num_pages, page_group, OperationType::MapGroup));
}
- block_manager->Update(addr, needed_num_pages, state, perm);
+ // Update the blocks.
+ m_memory_block_manager.Update(std::addressof(allocator), addr, needed_num_pages, state, perm,
+ KMemoryAttribute::None, KMemoryBlockDisableMergeAttribute::Normal,
+ KMemoryBlockDisableMergeAttribute::None);
return addr;
}
-Result KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
- KScopedLightLock lk(general_lock);
+Result KPageTable::LockForMapDeviceAddressSpace(VAddr address, size_t size, KMemoryPermission perm,
+ bool is_aligned) {
+ // Lightly validate the range before doing anything else.
+ const size_t num_pages = size / PageSize;
+ R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
- KMemoryPermission perm{};
- if (const Result result{CheckMemoryState(
- nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute,
- KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
- KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None,
- KMemoryAttribute::DeviceSharedAndUncached)};
- result.IsError()) {
- return result;
- }
+ // Lock the table.
+ KScopedLightLock lk(m_general_lock);
- block_manager->UpdateLock(
- addr, size / PageSize,
- [](KMemoryBlockManager::iterator block, KMemoryPermission permission) {
- block->ShareToDevice(permission);
- },
- perm);
+ // Check the memory state.
+ const auto test_state =
+ (is_aligned ? KMemoryState::FlagCanAlignedDeviceMap : KMemoryState::FlagCanDeviceMap);
+ size_t num_allocator_blocks;
+ R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks), address, size, test_state,
+ test_state, perm, perm,
+ KMemoryAttribute::IpcLocked | KMemoryAttribute::Locked,
+ KMemoryAttribute::None, KMemoryAttribute::DeviceShared));
- return ResultSuccess;
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
+ // Update the memory blocks.
+ m_memory_block_manager.UpdateLock(std::addressof(allocator), address, num_pages,
+ &KMemoryBlock::ShareToDevice, KMemoryPermission::None);
+
+ R_SUCCEED();
}
-Result KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) {
- KScopedLightLock lk(general_lock);
+Result KPageTable::LockForUnmapDeviceAddressSpace(VAddr address, size_t size) {
+ // Lightly validate the range before doing anything else.
+ const size_t num_pages = size / PageSize;
+ R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
- KMemoryPermission perm{};
- if (const Result result{CheckMemoryState(
- nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute,
- KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
- KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None,
- KMemoryAttribute::DeviceSharedAndUncached)};
- result.IsError()) {
- return result;
- }
+ // Lock the table.
+ KScopedLightLock lk(m_general_lock);
- block_manager->UpdateLock(
- addr, size / PageSize,
- [](KMemoryBlockManager::iterator block, KMemoryPermission permission) {
- block->UnshareToDevice(permission);
- },
- perm);
+ // Check the memory state.
+ size_t num_allocator_blocks;
+ R_TRY(this->CheckMemoryStateContiguous(
+ std::addressof(num_allocator_blocks), address, size,
+ KMemoryState::FlagReferenceCounted | KMemoryState::FlagCanDeviceMap,
+ KMemoryState::FlagReferenceCounted | KMemoryState::FlagCanDeviceMap,
+ KMemoryPermission::None, KMemoryPermission::None,
+ KMemoryAttribute::DeviceShared | KMemoryAttribute::Locked, KMemoryAttribute::DeviceShared));
- return ResultSuccess;
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
+ // Update the memory blocks.
+ const KMemoryBlockManager::MemoryBlockLockFunction lock_func =
+ m_enable_device_address_space_merge
+ ? &KMemoryBlock::UpdateDeviceDisableMergeStateForShare
+ : &KMemoryBlock::UpdateDeviceDisableMergeStateForShareRight;
+ m_memory_block_manager.UpdateLock(std::addressof(allocator), address, num_pages, lock_func,
+ KMemoryPermission::None);
+
+ R_SUCCEED();
}
-Result KPageTable::LockForCodeMemory(KPageGroup* out, VAddr addr, std::size_t size) {
- return this->LockMemoryAndOpen(
+Result KPageTable::UnlockForDeviceAddressSpace(VAddr address, size_t size) {
+ // Lightly validate the range before doing anything else.
+ const size_t num_pages = size / PageSize;
+ R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
+
+ // Lock the table.
+ KScopedLightLock lk(m_general_lock);
+
+ // Check the memory state.
+ size_t num_allocator_blocks;
+ R_TRY(this->CheckMemoryStateContiguous(
+ std::addressof(num_allocator_blocks), address, size, KMemoryState::FlagCanDeviceMap,
+ KMemoryState::FlagCanDeviceMap, KMemoryPermission::None, KMemoryPermission::None,
+ KMemoryAttribute::DeviceShared | KMemoryAttribute::Locked, KMemoryAttribute::DeviceShared));
+
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
+ // Update the memory blocks.
+ m_memory_block_manager.UpdateLock(std::addressof(allocator), address, num_pages,
+ &KMemoryBlock::UnshareToDevice, KMemoryPermission::None);
+
+ R_SUCCEED();
+}
+
+Result KPageTable::LockForCodeMemory(KPageGroup* out, VAddr addr, size_t size) {
+ R_RETURN(this->LockMemoryAndOpen(
out, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory,
KMemoryPermission::All, KMemoryPermission::UserReadWrite, KMemoryAttribute::All,
KMemoryAttribute::None,
static_cast<KMemoryPermission>(KMemoryPermission::NotMapped |
KMemoryPermission::KernelReadWrite),
- KMemoryAttribute::Locked);
+ KMemoryAttribute::Locked));
}
-Result KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size, const KPageGroup& pg) {
- return this->UnlockMemory(
+Result KPageTable::UnlockForCodeMemory(VAddr addr, size_t size, const KPageGroup& pg) {
+ R_RETURN(this->UnlockMemory(
addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory,
KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::All,
- KMemoryAttribute::Locked, KMemoryPermission::UserReadWrite, KMemoryAttribute::Locked, &pg);
-}
-
-Result KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
- block_manager = std::make_unique<KMemoryBlockManager>(start, end);
-
- return ResultSuccess;
-}
-
-bool KPageTable::IsRegionMapped(VAddr address, u64 size) {
- return CheckMemoryState(address, size, KMemoryState::All, KMemoryState::Free,
- KMemoryPermission::All, KMemoryPermission::None, KMemoryAttribute::Mask,
- KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped)
- .IsError();
+ KMemoryAttribute::Locked, KMemoryPermission::UserReadWrite, KMemoryAttribute::Locked, &pg));
}
bool KPageTable::IsRegionContiguous(VAddr addr, u64 size) const {
- auto start_ptr = system.Memory().GetPointer(addr);
+ auto start_ptr = m_system.DeviceMemory().GetPointer<u8>(addr);
for (u64 offset{}; offset < size; offset += PageSize) {
- if (start_ptr != system.Memory().GetPointer(addr + offset)) {
+ if (start_ptr != m_system.DeviceMemory().GetPointer<u8>(addr + offset)) {
return false;
}
start_ptr += PageSize;
@@ -1815,8 +2004,7 @@ bool KPageTable::IsRegionContiguous(VAddr addr, u64 size) const {
return true;
}
-void KPageTable::AddRegionToPages(VAddr start, std::size_t num_pages,
- KPageGroup& page_linked_list) {
+void KPageTable::AddRegionToPages(VAddr start, size_t num_pages, KPageGroup& page_linked_list) {
VAddr addr{start};
while (addr < start + (num_pages * PageSize)) {
const PAddr paddr{GetPhysicalAddr(addr)};
@@ -1826,16 +2014,16 @@ void KPageTable::AddRegionToPages(VAddr start, std::size_t num_pages,
}
}
-VAddr KPageTable::AllocateVirtualMemory(VAddr start, std::size_t region_num_pages,
- u64 needed_num_pages, std::size_t align) {
- if (is_aslr_enabled) {
+VAddr KPageTable::AllocateVirtualMemory(VAddr start, size_t region_num_pages, u64 needed_num_pages,
+ size_t align) {
+ if (m_enable_aslr) {
UNIMPLEMENTED();
}
- return block_manager->FindFreeArea(start, region_num_pages, needed_num_pages, align, 0,
- IsKernel() ? 1 : 4);
+ return m_memory_block_manager.FindFreeArea(start, region_num_pages, needed_num_pages, align, 0,
+ IsKernel() ? 1 : 4);
}
-Result KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageGroup& page_group,
+Result KPageTable::Operate(VAddr addr, size_t num_pages, const KPageGroup& page_group,
OperationType operation) {
ASSERT(this->IsLockedByCurrentThread());
@@ -1844,11 +2032,11 @@ Result KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageGroup&
ASSERT(num_pages == page_group.GetNumPages());
for (const auto& node : page_group.Nodes()) {
- const std::size_t size{node.GetNumPages() * PageSize};
+ const size_t size{node.GetNumPages() * PageSize};
switch (operation) {
case OperationType::MapGroup:
- system.Memory().MapMemoryRegion(page_table_impl, addr, size, node.GetAddress());
+ m_system.Memory().MapMemoryRegion(*m_page_table_impl, addr, size, node.GetAddress());
break;
default:
ASSERT(false);
@@ -1857,10 +2045,10 @@ Result KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageGroup&
addr += size;
}
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
+Result KPageTable::Operate(VAddr addr, size_t num_pages, KMemoryPermission perm,
OperationType operation, PAddr map_addr) {
ASSERT(this->IsLockedByCurrentThread());
@@ -1870,12 +2058,12 @@ Result KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission
switch (operation) {
case OperationType::Unmap:
- system.Memory().UnmapRegion(page_table_impl, addr, num_pages * PageSize);
+ m_system.Memory().UnmapRegion(*m_page_table_impl, addr, num_pages * PageSize);
break;
case OperationType::Map: {
ASSERT(map_addr);
ASSERT(Common::IsAligned(map_addr, PageSize));
- system.Memory().MapMemoryRegion(page_table_impl, addr, num_pages * PageSize, map_addr);
+ m_system.Memory().MapMemoryRegion(*m_page_table_impl, addr, num_pages * PageSize, map_addr);
break;
}
case OperationType::ChangePermissions:
@@ -1884,25 +2072,25 @@ Result KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission
default:
ASSERT(false);
}
- return ResultSuccess;
+ R_SUCCEED();
}
VAddr KPageTable::GetRegionAddress(KMemoryState state) const {
switch (state) {
case KMemoryState::Free:
case KMemoryState::Kernel:
- return address_space_start;
+ return m_address_space_start;
case KMemoryState::Normal:
- return heap_region_start;
+ return m_heap_region_start;
case KMemoryState::Ipc:
case KMemoryState::NonSecureIpc:
case KMemoryState::NonDeviceIpc:
- return alias_region_start;
+ return m_alias_region_start;
case KMemoryState::Stack:
- return stack_region_start;
+ return m_stack_region_start;
case KMemoryState::Static:
case KMemoryState::ThreadLocal:
- return kernel_map_region_start;
+ return m_kernel_map_region_start;
case KMemoryState::Io:
case KMemoryState::Shared:
case KMemoryState::AliasCode:
@@ -1913,31 +2101,31 @@ VAddr KPageTable::GetRegionAddress(KMemoryState state) const {
case KMemoryState::GeneratedCode:
case KMemoryState::CodeOut:
case KMemoryState::Coverage:
- return alias_code_region_start;
+ return m_alias_code_region_start;
case KMemoryState::Code:
case KMemoryState::CodeData:
- return code_region_start;
+ return m_code_region_start;
default:
UNREACHABLE();
}
}
-std::size_t KPageTable::GetRegionSize(KMemoryState state) const {
+size_t KPageTable::GetRegionSize(KMemoryState state) const {
switch (state) {
case KMemoryState::Free:
case KMemoryState::Kernel:
- return address_space_end - address_space_start;
+ return m_address_space_end - m_address_space_start;
case KMemoryState::Normal:
- return heap_region_end - heap_region_start;
+ return m_heap_region_end - m_heap_region_start;
case KMemoryState::Ipc:
case KMemoryState::NonSecureIpc:
case KMemoryState::NonDeviceIpc:
- return alias_region_end - alias_region_start;
+ return m_alias_region_end - m_alias_region_start;
case KMemoryState::Stack:
- return stack_region_end - stack_region_start;
+ return m_stack_region_end - m_stack_region_start;
case KMemoryState::Static:
case KMemoryState::ThreadLocal:
- return kernel_map_region_end - kernel_map_region_start;
+ return m_kernel_map_region_end - m_kernel_map_region_start;
case KMemoryState::Io:
case KMemoryState::Shared:
case KMemoryState::AliasCode:
@@ -1948,16 +2136,16 @@ std::size_t KPageTable::GetRegionSize(KMemoryState state) const {
case KMemoryState::GeneratedCode:
case KMemoryState::CodeOut:
case KMemoryState::Coverage:
- return alias_code_region_end - alias_code_region_start;
+ return m_alias_code_region_end - m_alias_code_region_start;
case KMemoryState::Code:
case KMemoryState::CodeData:
- return code_region_end - code_region_start;
+ return m_code_region_end - m_code_region_start;
default:
UNREACHABLE();
}
}
-bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) const {
+bool KPageTable::CanContain(VAddr addr, size_t size, KMemoryState state) const {
const VAddr end = addr + size;
const VAddr last = end - 1;
@@ -1966,10 +2154,10 @@ bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) co
const bool is_in_region =
region_start <= addr && addr < end && last <= region_start + region_size - 1;
- const bool is_in_heap = !(end <= heap_region_start || heap_region_end <= addr ||
- heap_region_start == heap_region_end);
- const bool is_in_alias = !(end <= alias_region_start || alias_region_end <= addr ||
- alias_region_start == alias_region_end);
+ const bool is_in_heap = !(end <= m_heap_region_start || m_heap_region_end <= addr ||
+ m_heap_region_start == m_heap_region_end);
+ const bool is_in_alias = !(end <= m_alias_region_start || m_alias_region_end <= addr ||
+ m_alias_region_start == m_alias_region_end);
switch (state) {
case KMemoryState::Free:
case KMemoryState::Kernel:
@@ -2008,23 +2196,23 @@ Result KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr) const {
// Validate the states match expectation.
- R_UNLESS((info.state & state_mask) == state, ResultInvalidCurrentMemory);
- R_UNLESS((info.perm & perm_mask) == perm, ResultInvalidCurrentMemory);
- R_UNLESS((info.attribute & attr_mask) == attr, ResultInvalidCurrentMemory);
+ R_UNLESS((info.m_state & state_mask) == state, ResultInvalidCurrentMemory);
+ R_UNLESS((info.m_permission & perm_mask) == perm, ResultInvalidCurrentMemory);
+ R_UNLESS((info.m_attribute & attr_mask) == attr, ResultInvalidCurrentMemory);
- return ResultSuccess;
+ R_SUCCEED();
}
-Result KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr,
- std::size_t size, KMemoryState state_mask,
- KMemoryState state, KMemoryPermission perm_mask,
- KMemoryPermission perm, KMemoryAttribute attr_mask,
+Result KPageTable::CheckMemoryStateContiguous(size_t* out_blocks_needed, VAddr addr, size_t size,
+ KMemoryState state_mask, KMemoryState state,
+ KMemoryPermission perm_mask, KMemoryPermission perm,
+ KMemoryAttribute attr_mask,
KMemoryAttribute attr) const {
ASSERT(this->IsLockedByCurrentThread());
// Get information about the first block.
const VAddr last_addr = addr + size - 1;
- KMemoryBlockManager::const_iterator it = block_manager->FindIterator(addr);
+ KMemoryBlockManager::const_iterator it = m_memory_block_manager.FindIterator(addr);
KMemoryInfo info = it->GetMemoryInfo();
// If the start address isn't aligned, we need a block.
@@ -2042,7 +2230,7 @@ Result KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VA
// Advance our iterator.
it++;
- ASSERT(it != block_manager->cend());
+ ASSERT(it != m_memory_block_manager.cend());
info = it->GetMemoryInfo();
}
@@ -2054,12 +2242,12 @@ Result KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VA
*out_blocks_needed = blocks_for_start_align + blocks_for_end_align;
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
- KMemoryAttribute* out_attr, std::size_t* out_blocks_needed,
- VAddr addr, std::size_t size, KMemoryState state_mask,
+ KMemoryAttribute* out_attr, size_t* out_blocks_needed,
+ VAddr addr, size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr, KMemoryAttribute ignore_attr) const {
@@ -2067,7 +2255,7 @@ Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission*
// Get information about the first block.
const VAddr last_addr = addr + size - 1;
- KMemoryBlockManager::const_iterator it = block_manager->FindIterator(addr);
+ KMemoryBlockManager::const_iterator it = m_memory_block_manager.FindIterator(addr);
KMemoryInfo info = it->GetMemoryInfo();
// If the start address isn't aligned, we need a block.
@@ -2075,14 +2263,14 @@ Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission*
(Common::AlignDown(addr, PageSize) != info.GetAddress()) ? 1 : 0;
// Validate all blocks in the range have correct state.
- const KMemoryState first_state = info.state;
- const KMemoryPermission first_perm = info.perm;
- const KMemoryAttribute first_attr = info.attribute;
+ const KMemoryState first_state = info.m_state;
+ const KMemoryPermission first_perm = info.m_permission;
+ const KMemoryAttribute first_attr = info.m_attribute;
while (true) {
// Validate the current block.
- R_UNLESS(info.state == first_state, ResultInvalidCurrentMemory);
- R_UNLESS(info.perm == first_perm, ResultInvalidCurrentMemory);
- R_UNLESS((info.attribute | ignore_attr) == (first_attr | ignore_attr),
+ R_UNLESS(info.m_state == first_state, ResultInvalidCurrentMemory);
+ R_UNLESS(info.m_permission == first_perm, ResultInvalidCurrentMemory);
+ R_UNLESS((info.m_attribute | ignore_attr) == (first_attr | ignore_attr),
ResultInvalidCurrentMemory);
// Validate against the provided masks.
@@ -2095,7 +2283,7 @@ Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission*
// Advance our iterator.
it++;
- ASSERT(it != block_manager->cend());
+ ASSERT(it != m_memory_block_manager.cend());
info = it->GetMemoryInfo();
}
@@ -2116,7 +2304,7 @@ Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission*
if (out_blocks_needed != nullptr) {
*out_blocks_needed = blocks_for_start_align + blocks_for_end_align;
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KPageTable::LockMemoryAndOpen(KPageGroup* out_pg, PAddr* out_paddr, VAddr addr, size_t size,
@@ -2134,7 +2322,7 @@ Result KPageTable::LockMemoryAndOpen(KPageGroup* out_pg, PAddr* out_paddr, VAddr
R_UNLESS(this->Contains(addr, size), ResultInvalidCurrentMemory);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Check that the output page group is empty, if it exists.
if (out_pg) {
@@ -2162,6 +2350,12 @@ Result KPageTable::LockMemoryAndOpen(KPageGroup* out_pg, PAddr* out_paddr, VAddr
R_TRY(this->MakePageGroup(*out_pg, addr, num_pages));
}
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Decide on new perm and attr.
new_perm = (new_perm != KMemoryPermission::None) ? new_perm : old_perm;
KMemoryAttribute new_attr = static_cast<KMemoryAttribute>(old_attr | lock_attr);
@@ -2172,9 +2366,11 @@ Result KPageTable::LockMemoryAndOpen(KPageGroup* out_pg, PAddr* out_paddr, VAddr
}
// Apply the memory block updates.
- block_manager->Update(addr, num_pages, old_state, new_perm, new_attr);
+ m_memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, new_perm,
+ new_attr, KMemoryBlockDisableMergeAttribute::Locked,
+ KMemoryBlockDisableMergeAttribute::None);
- return ResultSuccess;
+ R_SUCCEED();
}
Result KPageTable::UnlockMemory(VAddr addr, size_t size, KMemoryState state_mask,
@@ -2191,7 +2387,7 @@ Result KPageTable::UnlockMemory(VAddr addr, size_t size, KMemoryState state_mask
R_UNLESS(this->Contains(addr, size), ResultInvalidCurrentMemory);
// Lock the table.
- KScopedLightLock lk(general_lock);
+ KScopedLightLock lk(m_general_lock);
// Check the state.
KMemoryState old_state{};
@@ -2213,15 +2409,23 @@ Result KPageTable::UnlockMemory(VAddr addr, size_t size, KMemoryState state_mask
new_perm = (new_perm != KMemoryPermission::None) ? new_perm : old_perm;
KMemoryAttribute new_attr = static_cast<KMemoryAttribute>(old_attr & ~lock_attr);
+ // Create an update allocator.
+ Result allocator_result{ResultSuccess};
+ KMemoryBlockManagerUpdateAllocator allocator(std::addressof(allocator_result),
+ m_memory_block_slab_manager, num_allocator_blocks);
+ R_TRY(allocator_result);
+
// Update permission, if we need to.
if (new_perm != old_perm) {
R_TRY(Operate(addr, num_pages, new_perm, OperationType::ChangePermissions));
}
// Apply the memory block updates.
- block_manager->Update(addr, num_pages, old_state, new_perm, new_attr);
+ m_memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, new_perm,
+ new_attr, KMemoryBlockDisableMergeAttribute::None,
+ KMemoryBlockDisableMergeAttribute::Locked);
- return ResultSuccess;
+ R_SUCCEED();
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h
index 25774f2321..c6aeacd96c 100644
--- a/src/core/hle/kernel/k_page_table.h
+++ b/src/core/hle/kernel/k_page_table.h
@@ -9,8 +9,10 @@
#include "common/common_types.h"
#include "common/page_table.h"
#include "core/file_sys/program_metadata.h"
+#include "core/hle/kernel/k_dynamic_resource_manager.h"
#include "core/hle/kernel/k_light_lock.h"
#include "core/hle/kernel/k_memory_block.h"
+#include "core/hle/kernel/k_memory_block_manager.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/result.h"
@@ -34,58 +36,66 @@ public:
~KPageTable();
Result InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
- VAddr code_addr, std::size_t code_size, KMemoryManager::Pool pool);
- Result MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
+ VAddr code_addr, size_t code_size,
+ KMemoryBlockSlabManager* mem_block_slab_manager,
+ KMemoryManager::Pool pool);
+
+ void Finalize();
+
+ Result MapProcessCode(VAddr addr, size_t pages_count, KMemoryState state,
KMemoryPermission perm);
- Result MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
- Result UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
+ Result MapCodeMemory(VAddr dst_address, VAddr src_address, size_t size);
+ Result UnmapCodeMemory(VAddr dst_address, VAddr src_address, size_t size,
ICacheInvalidationStrategy icache_invalidation_strategy);
- Result UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
+ Result UnmapProcessMemory(VAddr dst_addr, size_t size, KPageTable& src_page_table,
VAddr src_addr);
- Result MapPhysicalMemory(VAddr addr, std::size_t size);
- Result UnmapPhysicalMemory(VAddr addr, std::size_t size);
- Result MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
- Result UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
+ Result MapPhysicalMemory(VAddr addr, size_t size);
+ Result UnmapPhysicalMemory(VAddr addr, size_t size);
+ Result MapMemory(VAddr dst_addr, VAddr src_addr, size_t size);
+ Result UnmapMemory(VAddr dst_addr, VAddr src_addr, size_t size);
Result MapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state,
KMemoryPermission perm);
- Result MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment, PAddr phys_addr,
+ Result MapPages(VAddr* out_addr, size_t num_pages, size_t alignment, PAddr phys_addr,
KMemoryState state, KMemoryPermission perm) {
- return this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
- this->GetRegionAddress(state), this->GetRegionSize(state) / PageSize,
- state, perm);
+ R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
+ this->GetRegionAddress(state),
+ this->GetRegionSize(state) / PageSize, state, perm));
}
Result UnmapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state);
- Result UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state);
- Result SetProcessMemoryPermission(VAddr addr, std::size_t size, Svc::MemoryPermission svc_perm);
+ Result UnmapPages(VAddr address, size_t num_pages, KMemoryState state);
+ Result SetProcessMemoryPermission(VAddr addr, size_t size, Svc::MemoryPermission svc_perm);
KMemoryInfo QueryInfo(VAddr addr);
- Result ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
- Result ResetTransferMemory(VAddr addr, std::size_t size);
- Result SetMemoryPermission(VAddr addr, std::size_t size, Svc::MemoryPermission perm);
- Result SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u32 attr);
- Result SetMaxHeapSize(std::size_t size);
- Result SetHeapSize(VAddr* out, std::size_t size);
- ResultVal<VAddr> AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
- bool is_map_only, VAddr region_start,
- std::size_t region_num_pages, KMemoryState state,
- KMemoryPermission perm, PAddr map_addr = 0);
- Result LockForDeviceAddressSpace(VAddr addr, std::size_t size);
- Result UnlockForDeviceAddressSpace(VAddr addr, std::size_t size);
- Result LockForCodeMemory(KPageGroup* out, VAddr addr, std::size_t size);
- Result UnlockForCodeMemory(VAddr addr, std::size_t size, const KPageGroup& pg);
+ Result SetMemoryPermission(VAddr addr, size_t size, Svc::MemoryPermission perm);
+ Result SetMemoryAttribute(VAddr addr, size_t size, u32 mask, u32 attr);
+ Result SetMaxHeapSize(size_t size);
+ Result SetHeapSize(VAddr* out, size_t size);
+ ResultVal<VAddr> AllocateAndMapMemory(size_t needed_num_pages, size_t align, bool is_map_only,
+ VAddr region_start, size_t region_num_pages,
+ KMemoryState state, KMemoryPermission perm,
+ PAddr map_addr = 0);
+
+ Result LockForMapDeviceAddressSpace(VAddr address, size_t size, KMemoryPermission perm,
+ bool is_aligned);
+ Result LockForUnmapDeviceAddressSpace(VAddr address, size_t size);
+
+ Result UnlockForDeviceAddressSpace(VAddr addr, size_t size);
+
+ Result LockForCodeMemory(KPageGroup* out, VAddr addr, size_t size);
+ Result UnlockForCodeMemory(VAddr addr, size_t size, const KPageGroup& pg);
Result MakeAndOpenPageGroup(KPageGroup* out, VAddr address, size_t num_pages,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr);
Common::PageTable& PageTableImpl() {
- return page_table_impl;
+ return *m_page_table_impl;
}
const Common::PageTable& PageTableImpl() const {
- return page_table_impl;
+ return *m_page_table_impl;
}
- bool CanContain(VAddr addr, std::size_t size, KMemoryState state) const;
+ bool CanContain(VAddr addr, size_t size, KMemoryState state) const;
private:
enum class OperationType : u32 {
@@ -96,67 +106,65 @@ private:
ChangePermissionsAndRefresh,
};
- static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr = KMemoryAttribute::DontCareMask |
- KMemoryAttribute::IpcLocked |
- KMemoryAttribute::DeviceShared;
+ static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr =
+ KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared;
- Result InitializeMemoryLayout(VAddr start, VAddr end);
Result MapPages(VAddr addr, const KPageGroup& page_linked_list, KMemoryPermission perm);
- Result MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment, PAddr phys_addr,
- bool is_pa_valid, VAddr region_start, std::size_t region_num_pages,
+ Result MapPages(VAddr* out_addr, size_t num_pages, size_t alignment, PAddr phys_addr,
+ bool is_pa_valid, VAddr region_start, size_t region_num_pages,
KMemoryState state, KMemoryPermission perm);
Result UnmapPages(VAddr addr, const KPageGroup& page_linked_list);
- bool IsRegionMapped(VAddr address, u64 size);
bool IsRegionContiguous(VAddr addr, u64 size) const;
- void AddRegionToPages(VAddr start, std::size_t num_pages, KPageGroup& page_linked_list);
+ void AddRegionToPages(VAddr start, size_t num_pages, KPageGroup& page_linked_list);
KMemoryInfo QueryInfoImpl(VAddr addr);
- VAddr AllocateVirtualMemory(VAddr start, std::size_t region_num_pages, u64 needed_num_pages,
- std::size_t align);
- Result Operate(VAddr addr, std::size_t num_pages, const KPageGroup& page_group,
+ VAddr AllocateVirtualMemory(VAddr start, size_t region_num_pages, u64 needed_num_pages,
+ size_t align);
+ Result Operate(VAddr addr, size_t num_pages, const KPageGroup& page_group,
OperationType operation);
- Result Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
- OperationType operation, PAddr map_addr = 0);
+ Result Operate(VAddr addr, size_t num_pages, KMemoryPermission perm, OperationType operation,
+ PAddr map_addr = 0);
VAddr GetRegionAddress(KMemoryState state) const;
- std::size_t GetRegionSize(KMemoryState state) const;
+ size_t GetRegionSize(KMemoryState state) const;
- VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
- std::size_t alignment, std::size_t offset, std::size_t guard_pages);
+ VAddr FindFreeArea(VAddr region_start, size_t region_num_pages, size_t num_pages,
+ size_t alignment, size_t offset, size_t guard_pages);
- Result CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr, std::size_t size,
+ Result CheckMemoryStateContiguous(size_t* out_blocks_needed, VAddr addr, size_t size,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
- Result CheckMemoryStateContiguous(VAddr addr, std::size_t size, KMemoryState state_mask,
+ Result CheckMemoryStateContiguous(VAddr addr, size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr) const {
- return this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask,
- perm, attr_mask, attr);
+ R_RETURN(this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask,
+ perm, attr_mask, attr));
}
Result CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
- KMemoryAttribute* out_attr, std::size_t* out_blocks_needed, VAddr addr,
- std::size_t size, KMemoryState state_mask, KMemoryState state,
+ KMemoryAttribute* out_attr, size_t* out_blocks_needed, VAddr addr,
+ size_t size, KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
- Result CheckMemoryState(std::size_t* out_blocks_needed, VAddr addr, std::size_t size,
+ Result CheckMemoryState(size_t* out_blocks_needed, VAddr addr, size_t size,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
- return CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
- state_mask, state, perm_mask, perm, attr_mask, attr, ignore_attr);
+ R_RETURN(CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
+ state_mask, state, perm_mask, perm, attr_mask, attr,
+ ignore_attr));
}
- Result CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask,
- KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
+ Result CheckMemoryState(VAddr addr, size_t size, KMemoryState state_mask, KMemoryState state,
+ KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
- return this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm,
- attr_mask, attr, ignore_attr);
+ R_RETURN(this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm,
+ attr_mask, attr, ignore_attr));
}
Result LockMemoryAndOpen(KPageGroup* out_pg, PAddr* out_paddr, VAddr addr, size_t size,
@@ -174,13 +182,13 @@ private:
bool IsValidPageGroup(const KPageGroup& pg, VAddr addr, size_t num_pages);
bool IsLockedByCurrentThread() const {
- return general_lock.IsLockedByCurrentThread();
+ return m_general_lock.IsLockedByCurrentThread();
}
bool IsHeapPhysicalAddress(const KMemoryLayout& layout, PAddr phys_addr) {
ASSERT(this->IsLockedByCurrentThread());
- return layout.IsHeapPhysicalAddress(cached_physical_heap_region, phys_addr);
+ return layout.IsHeapPhysicalAddress(m_cached_physical_heap_region, phys_addr);
}
bool GetPhysicalAddressLocked(PAddr* out, VAddr virt_addr) const {
@@ -191,95 +199,93 @@ private:
return *out != 0;
}
- mutable KLightLock general_lock;
- mutable KLightLock map_physical_memory_lock;
-
- std::unique_ptr<KMemoryBlockManager> block_manager;
+ mutable KLightLock m_general_lock;
+ mutable KLightLock m_map_physical_memory_lock;
public:
constexpr VAddr GetAddressSpaceStart() const {
- return address_space_start;
+ return m_address_space_start;
}
constexpr VAddr GetAddressSpaceEnd() const {
- return address_space_end;
+ return m_address_space_end;
}
- constexpr std::size_t GetAddressSpaceSize() const {
- return address_space_end - address_space_start;
+ constexpr size_t GetAddressSpaceSize() const {
+ return m_address_space_end - m_address_space_start;
}
constexpr VAddr GetHeapRegionStart() const {
- return heap_region_start;
+ return m_heap_region_start;
}
constexpr VAddr GetHeapRegionEnd() const {
- return heap_region_end;
+ return m_heap_region_end;
}
- constexpr std::size_t GetHeapRegionSize() const {
- return heap_region_end - heap_region_start;
+ constexpr size_t GetHeapRegionSize() const {
+ return m_heap_region_end - m_heap_region_start;
}
constexpr VAddr GetAliasRegionStart() const {
- return alias_region_start;
+ return m_alias_region_start;
}
constexpr VAddr GetAliasRegionEnd() const {
- return alias_region_end;
+ return m_alias_region_end;
}
- constexpr std::size_t GetAliasRegionSize() const {
- return alias_region_end - alias_region_start;
+ constexpr size_t GetAliasRegionSize() const {
+ return m_alias_region_end - m_alias_region_start;
}
constexpr VAddr GetStackRegionStart() const {
- return stack_region_start;
+ return m_stack_region_start;
}
constexpr VAddr GetStackRegionEnd() const {
- return stack_region_end;
+ return m_stack_region_end;
}
- constexpr std::size_t GetStackRegionSize() const {
- return stack_region_end - stack_region_start;
+ constexpr size_t GetStackRegionSize() const {
+ return m_stack_region_end - m_stack_region_start;
}
constexpr VAddr GetKernelMapRegionStart() const {
- return kernel_map_region_start;
+ return m_kernel_map_region_start;
}
constexpr VAddr GetKernelMapRegionEnd() const {
- return kernel_map_region_end;
+ return m_kernel_map_region_end;
}
constexpr VAddr GetCodeRegionStart() const {
- return code_region_start;
+ return m_code_region_start;
}
constexpr VAddr GetCodeRegionEnd() const {
- return code_region_end;
+ return m_code_region_end;
}
constexpr VAddr GetAliasCodeRegionStart() const {
- return alias_code_region_start;
+ return m_alias_code_region_start;
}
constexpr VAddr GetAliasCodeRegionSize() const {
- return alias_code_region_end - alias_code_region_start;
+ return m_alias_code_region_end - m_alias_code_region_start;
}
- std::size_t GetNormalMemorySize() {
- KScopedLightLock lk(general_lock);
- return GetHeapSize() + mapped_physical_memory_size;
+ size_t GetNormalMemorySize() {
+ KScopedLightLock lk(m_general_lock);
+ return GetHeapSize() + m_mapped_physical_memory_size;
}
- constexpr std::size_t GetAddressSpaceWidth() const {
- return address_space_width;
+ constexpr size_t GetAddressSpaceWidth() const {
+ return m_address_space_width;
}
- constexpr std::size_t GetHeapSize() const {
- return current_heap_end - heap_region_start;
+ constexpr size_t GetHeapSize() const {
+ return m_current_heap_end - m_heap_region_start;
}
- constexpr bool IsInsideAddressSpace(VAddr address, std::size_t size) const {
- return address_space_start <= address && address + size - 1 <= address_space_end - 1;
+ constexpr bool IsInsideAddressSpace(VAddr address, size_t size) const {
+ return m_address_space_start <= address && address + size - 1 <= m_address_space_end - 1;
}
- constexpr bool IsOutsideAliasRegion(VAddr address, std::size_t size) const {
- return alias_region_start > address || address + size - 1 > alias_region_end - 1;
+ constexpr bool IsOutsideAliasRegion(VAddr address, size_t size) const {
+ return m_alias_region_start > address || address + size - 1 > m_alias_region_end - 1;
}
- constexpr bool IsOutsideStackRegion(VAddr address, std::size_t size) const {
- return stack_region_start > address || address + size - 1 > stack_region_end - 1;
+ constexpr bool IsOutsideStackRegion(VAddr address, size_t size) const {
+ return m_stack_region_start > address || address + size - 1 > m_stack_region_end - 1;
}
- constexpr bool IsInvalidRegion(VAddr address, std::size_t size) const {
+ constexpr bool IsInvalidRegion(VAddr address, size_t size) const {
return address + size - 1 > GetAliasCodeRegionStart() + GetAliasCodeRegionSize() - 1;
}
- constexpr bool IsInsideHeapRegion(VAddr address, std::size_t size) const {
- return address + size > heap_region_start && heap_region_end > address;
+ constexpr bool IsInsideHeapRegion(VAddr address, size_t size) const {
+ return address + size > m_heap_region_start && m_heap_region_end > address;
}
- constexpr bool IsInsideAliasRegion(VAddr address, std::size_t size) const {
- return address + size > alias_region_start && alias_region_end > address;
+ constexpr bool IsInsideAliasRegion(VAddr address, size_t size) const {
+ return address + size > m_alias_region_start && m_alias_region_end > address;
}
- constexpr bool IsOutsideASLRRegion(VAddr address, std::size_t size) const {
+ constexpr bool IsOutsideASLRRegion(VAddr address, size_t size) const {
if (IsInvalidRegion(address, size)) {
return true;
}
@@ -291,73 +297,78 @@ public:
}
return {};
}
- constexpr bool IsInsideASLRRegion(VAddr address, std::size_t size) const {
+ constexpr bool IsInsideASLRRegion(VAddr address, size_t size) const {
return !IsOutsideASLRRegion(address, size);
}
- constexpr std::size_t GetNumGuardPages() const {
+ constexpr size_t GetNumGuardPages() const {
return IsKernel() ? 1 : 4;
}
PAddr GetPhysicalAddr(VAddr addr) const {
- const auto backing_addr = page_table_impl.backing_addr[addr >> PageBits];
+ const auto backing_addr = m_page_table_impl->backing_addr[addr >> PageBits];
ASSERT(backing_addr);
return backing_addr + addr;
}
constexpr bool Contains(VAddr addr) const {
- return address_space_start <= addr && addr <= address_space_end - 1;
+ return m_address_space_start <= addr && addr <= m_address_space_end - 1;
}
- constexpr bool Contains(VAddr addr, std::size_t size) const {
- return address_space_start <= addr && addr < addr + size &&
- addr + size - 1 <= address_space_end - 1;
+ constexpr bool Contains(VAddr addr, size_t size) const {
+ return m_address_space_start <= addr && addr < addr + size &&
+ addr + size - 1 <= m_address_space_end - 1;
}
private:
constexpr bool IsKernel() const {
- return is_kernel;
+ return m_is_kernel;
}
constexpr bool IsAslrEnabled() const {
- return is_aslr_enabled;
+ return m_enable_aslr;
}
- constexpr bool ContainsPages(VAddr addr, std::size_t num_pages) const {
- return (address_space_start <= addr) &&
- (num_pages <= (address_space_end - address_space_start) / PageSize) &&
- (addr + num_pages * PageSize - 1 <= address_space_end - 1);
+ constexpr bool ContainsPages(VAddr addr, size_t num_pages) const {
+ return (m_address_space_start <= addr) &&
+ (num_pages <= (m_address_space_end - m_address_space_start) / PageSize) &&
+ (addr + num_pages * PageSize - 1 <= m_address_space_end - 1);
}
private:
- VAddr address_space_start{};
- VAddr address_space_end{};
- VAddr heap_region_start{};
- VAddr heap_region_end{};
- VAddr current_heap_end{};
- VAddr alias_region_start{};
- VAddr alias_region_end{};
- VAddr stack_region_start{};
- VAddr stack_region_end{};
- VAddr kernel_map_region_start{};
- VAddr kernel_map_region_end{};
- VAddr code_region_start{};
- VAddr code_region_end{};
- VAddr alias_code_region_start{};
- VAddr alias_code_region_end{};
+ VAddr m_address_space_start{};
+ VAddr m_address_space_end{};
+ VAddr m_heap_region_start{};
+ VAddr m_heap_region_end{};
+ VAddr m_current_heap_end{};
+ VAddr m_alias_region_start{};
+ VAddr m_alias_region_end{};
+ VAddr m_stack_region_start{};
+ VAddr m_stack_region_end{};
+ VAddr m_kernel_map_region_start{};
+ VAddr m_kernel_map_region_end{};
+ VAddr m_code_region_start{};
+ VAddr m_code_region_end{};
+ VAddr m_alias_code_region_start{};
+ VAddr m_alias_code_region_end{};
- std::size_t mapped_physical_memory_size{};
- std::size_t max_heap_size{};
- std::size_t max_physical_memory_size{};
- std::size_t address_space_width{};
+ size_t m_mapped_physical_memory_size{};
+ size_t m_max_heap_size{};
+ size_t m_max_physical_memory_size{};
+ size_t m_address_space_width{};
- bool is_kernel{};
- bool is_aslr_enabled{};
+ KMemoryBlockManager m_memory_block_manager;
- u32 heap_fill_value{};
- const KMemoryRegion* cached_physical_heap_region{};
+ bool m_is_kernel{};
+ bool m_enable_aslr{};
+ bool m_enable_device_address_space_merge{};
- KMemoryManager::Pool memory_pool{KMemoryManager::Pool::Application};
- KMemoryManager::Direction allocation_option{KMemoryManager::Direction::FromFront};
+ KMemoryBlockSlabManager* m_memory_block_slab_manager{};
- Common::PageTable page_table_impl;
+ u32 m_heap_fill_value{};
+ const KMemoryRegion* m_cached_physical_heap_region{};
- Core::System& system;
+ KMemoryManager::Pool m_memory_pool{KMemoryManager::Pool::Application};
+ KMemoryManager::Direction m_allocation_option{KMemoryManager::Direction::FromFront};
+
+ std::unique_ptr<Common::PageTable> m_page_table_impl;
+
+ Core::System& m_system;
};
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index d3e99665f8..8c3495e5a5 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -72,7 +72,8 @@ Result KProcess::Initialize(KProcess* process, Core::System& system, std::string
process->name = std::move(process_name);
process->resource_limit = res_limit;
- process->status = ProcessStatus::Created;
+ process->system_resource_address = 0;
+ process->state = State::Created;
process->program_id = 0;
process->process_id = type == ProcessType::KernelInternal ? kernel.CreateNewKernelProcessID()
: kernel.CreateNewUserProcessID();
@@ -92,11 +93,12 @@ Result KProcess::Initialize(KProcess* process, Core::System& system, std::string
process->exception_thread = nullptr;
process->is_suspended = false;
process->schedule_count = 0;
+ process->is_handle_table_initialized = false;
// Open a reference to the resource limit.
process->resource_limit->Open();
- return ResultSuccess;
+ R_SUCCEED();
}
void KProcess::DoWorkerTaskImpl() {
@@ -121,9 +123,9 @@ void KProcess::DecrementRunningThreadCount() {
}
}
-u64 KProcess::GetTotalPhysicalMemoryAvailable() const {
+u64 KProcess::GetTotalPhysicalMemoryAvailable() {
const u64 capacity{resource_limit->GetFreeValue(LimitableResource::PhysicalMemory) +
- page_table->GetNormalMemorySize() + GetSystemResourceSize() + image_size +
+ page_table.GetNormalMemorySize() + GetSystemResourceSize() + image_size +
main_thread_stack_size};
if (const auto pool_size = kernel.MemoryManager().GetSize(KMemoryManager::Pool::Application);
capacity != pool_size) {
@@ -135,16 +137,16 @@ u64 KProcess::GetTotalPhysicalMemoryAvailable() const {
return memory_usage_capacity;
}
-u64 KProcess::GetTotalPhysicalMemoryAvailableWithoutSystemResource() const {
+u64 KProcess::GetTotalPhysicalMemoryAvailableWithoutSystemResource() {
return GetTotalPhysicalMemoryAvailable() - GetSystemResourceSize();
}
-u64 KProcess::GetTotalPhysicalMemoryUsed() const {
- return image_size + main_thread_stack_size + page_table->GetNormalMemorySize() +
+u64 KProcess::GetTotalPhysicalMemoryUsed() {
+ return image_size + main_thread_stack_size + page_table.GetNormalMemorySize() +
GetSystemResourceSize();
}
-u64 KProcess::GetTotalPhysicalMemoryUsedWithoutSystemResource() const {
+u64 KProcess::GetTotalPhysicalMemoryUsedWithoutSystemResource() {
return GetTotalPhysicalMemoryUsed() - GetSystemResourceUsage();
}
@@ -244,7 +246,7 @@ Result KProcess::AddSharedMemory(KSharedMemory* shmem, [[maybe_unused]] VAddr ad
shmem->Open();
shemen_info->Open();
- return ResultSuccess;
+ R_SUCCEED();
}
void KProcess::RemoveSharedMemory(KSharedMemory* shmem, [[maybe_unused]] VAddr address,
@@ -289,12 +291,12 @@ Result KProcess::Reset() {
KScopedSchedulerLock sl{kernel};
// Validate that we're in a state that we can reset.
- R_UNLESS(status != ProcessStatus::Exited, ResultInvalidState);
+ R_UNLESS(state != State::Terminated, ResultInvalidState);
R_UNLESS(is_signaled, ResultInvalidState);
// Clear signaled.
is_signaled = false;
- return ResultSuccess;
+ R_SUCCEED();
}
Result KProcess::SetActivity(ProcessActivity activity) {
@@ -304,15 +306,13 @@ Result KProcess::SetActivity(ProcessActivity activity) {
KScopedSchedulerLock sl{kernel};
// Validate our state.
- R_UNLESS(status != ProcessStatus::Exiting, ResultInvalidState);
- R_UNLESS(status != ProcessStatus::Exited, ResultInvalidState);
+ R_UNLESS(state != State::Terminating, ResultInvalidState);
+ R_UNLESS(state != State::Terminated, ResultInvalidState);
// Either pause or resume.
if (activity == ProcessActivity::Paused) {
// Verify that we're not suspended.
- if (is_suspended) {
- return ResultInvalidState;
- }
+ R_UNLESS(!is_suspended, ResultInvalidState);
// Suspend all threads.
for (auto* thread : GetThreadList()) {
@@ -325,9 +325,7 @@ Result KProcess::SetActivity(ProcessActivity activity) {
ASSERT(activity == ProcessActivity::Runnable);
// Verify that we're suspended.
- if (!is_suspended) {
- return ResultInvalidState;
- }
+ R_UNLESS(is_suspended, ResultInvalidState);
// Resume all threads.
for (auto* thread : GetThreadList()) {
@@ -338,7 +336,7 @@ Result KProcess::SetActivity(ProcessActivity activity) {
SetSuspended(false);
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size) {
@@ -348,35 +346,38 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
system_resource_size = metadata.GetSystemResourceSize();
image_size = code_size;
+ // We currently do not support process-specific system resource
+ UNIMPLEMENTED_IF(system_resource_size != 0);
+
KScopedResourceReservation memory_reservation(resource_limit, LimitableResource::PhysicalMemory,
code_size + system_resource_size);
if (!memory_reservation.Succeeded()) {
LOG_ERROR(Kernel, "Could not reserve process memory requirements of size {:X} bytes",
code_size + system_resource_size);
- return ResultLimitReached;
+ R_RETURN(ResultLimitReached);
}
// Initialize proces address space
- if (const Result result{page_table->InitializeForProcess(metadata.GetAddressSpaceType(), false,
- 0x8000000, code_size,
- KMemoryManager::Pool::Application)};
+ if (const Result result{page_table.InitializeForProcess(
+ metadata.GetAddressSpaceType(), false, 0x8000000, code_size,
+ &kernel.GetApplicationMemoryBlockManager(), KMemoryManager::Pool::Application)};
result.IsError()) {
- return result;
+ R_RETURN(result);
}
// Map process code region
- if (const Result result{page_table->MapProcessCode(page_table->GetCodeRegionStart(),
- code_size / PageSize, KMemoryState::Code,
- KMemoryPermission::None)};
+ if (const Result result{page_table.MapProcessCode(page_table.GetCodeRegionStart(),
+ code_size / PageSize, KMemoryState::Code,
+ KMemoryPermission::None)};
result.IsError()) {
- return result;
+ R_RETURN(result);
}
// Initialize process capabilities
const auto& caps{metadata.GetKernelCapabilities()};
if (const Result result{
- capabilities.InitializeForUserProcess(caps.data(), caps.size(), *page_table)};
+ capabilities.InitializeForUserProcess(caps.data(), caps.size(), page_table)};
result.IsError()) {
- return result;
+ R_RETURN(result);
}
// Set memory usage capacity
@@ -384,12 +385,12 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
case FileSys::ProgramAddressSpaceType::Is32Bit:
case FileSys::ProgramAddressSpaceType::Is36Bit:
case FileSys::ProgramAddressSpaceType::Is39Bit:
- memory_usage_capacity = page_table->GetHeapRegionEnd() - page_table->GetHeapRegionStart();
+ memory_usage_capacity = page_table.GetHeapRegionEnd() - page_table.GetHeapRegionStart();
break;
case FileSys::ProgramAddressSpaceType::Is32BitNoMap:
- memory_usage_capacity = page_table->GetHeapRegionEnd() - page_table->GetHeapRegionStart() +
- page_table->GetAliasRegionEnd() - page_table->GetAliasRegionStart();
+ memory_usage_capacity = page_table.GetHeapRegionEnd() - page_table.GetHeapRegionStart() +
+ page_table.GetAliasRegionEnd() - page_table.GetAliasRegionStart();
break;
default:
@@ -397,10 +398,10 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
}
// Create TLS region
- R_TRY(this->CreateThreadLocalRegion(std::addressof(tls_region_address)));
+ R_TRY(this->CreateThreadLocalRegion(std::addressof(plr_address)));
memory_reservation.Commit();
- return handle_table.Initialize(capabilities.GetHandleTableSize());
+ R_RETURN(handle_table.Initialize(capabilities.GetHandleTableSize()));
}
void KProcess::Run(s32 main_thread_priority, u64 stack_size) {
@@ -409,15 +410,15 @@ void KProcess::Run(s32 main_thread_priority, u64 stack_size) {
resource_limit->Reserve(LimitableResource::PhysicalMemory, main_thread_stack_size);
const std::size_t heap_capacity{memory_usage_capacity - (main_thread_stack_size + image_size)};
- ASSERT(!page_table->SetMaxHeapSize(heap_capacity).IsError());
+ ASSERT(!page_table.SetMaxHeapSize(heap_capacity).IsError());
- ChangeStatus(ProcessStatus::Running);
+ ChangeState(State::Running);
SetupMainThread(kernel.System(), *this, main_thread_priority, main_thread_stack_top);
}
void KProcess::PrepareForTermination() {
- ChangeStatus(ProcessStatus::Exiting);
+ ChangeState(State::Terminating);
const auto stop_threads = [this](const std::vector<KThread*>& in_thread_list) {
for (auto* thread : in_thread_list) {
@@ -437,15 +438,15 @@ void KProcess::PrepareForTermination() {
stop_threads(kernel.System().GlobalSchedulerContext().GetThreadList());
- this->DeleteThreadLocalRegion(tls_region_address);
- tls_region_address = 0;
+ this->DeleteThreadLocalRegion(plr_address);
+ plr_address = 0;
if (resource_limit) {
resource_limit->Release(LimitableResource::PhysicalMemory,
main_thread_stack_size + image_size);
}
- ChangeStatus(ProcessStatus::Exited);
+ ChangeState(State::Terminated);
}
void KProcess::Finalize() {
@@ -474,7 +475,7 @@ void KProcess::Finalize() {
}
// Finalize the page table.
- page_table.reset();
+ page_table.Finalize();
// Perform inherited finalization.
KAutoObjectWithSlabHeapAndContainer<KProcess, KWorkerTask>::Finalize();
@@ -499,7 +500,7 @@ Result KProcess::CreateThreadLocalRegion(VAddr* out) {
}
*out = tlr;
- return ResultSuccess;
+ R_SUCCEED();
}
}
@@ -528,7 +529,7 @@ Result KProcess::CreateThreadLocalRegion(VAddr* out) {
// We succeeded!
tlp_guard.Cancel();
*out = tlr;
- return ResultSuccess;
+ R_SUCCEED();
}
Result KProcess::DeleteThreadLocalRegion(VAddr addr) {
@@ -576,7 +577,7 @@ Result KProcess::DeleteThreadLocalRegion(VAddr addr) {
KThreadLocalPage::Free(kernel, page_to_free);
}
- return ResultSuccess;
+ R_SUCCEED();
}
bool KProcess::InsertWatchpoint(Core::System& system, VAddr addr, u64 size,
@@ -628,7 +629,7 @@ bool KProcess::RemoveWatchpoint(Core::System& system, VAddr addr, u64 size,
void KProcess::LoadModule(CodeSet code_set, VAddr base_addr) {
const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
Svc::MemoryPermission permission) {
- page_table->SetProcessMemoryPermission(segment.addr + base_addr, segment.size, permission);
+ page_table.SetProcessMemoryPermission(segment.addr + base_addr, segment.size, permission);
};
kernel.System().Memory().WriteBlock(*this, base_addr, code_set.memory.data(),
@@ -645,19 +646,18 @@ bool KProcess::IsSignaled() const {
}
KProcess::KProcess(KernelCore& kernel_)
- : KAutoObjectWithSlabHeapAndContainer{kernel_}, page_table{std::make_unique<KPageTable>(
- kernel_.System())},
+ : KAutoObjectWithSlabHeapAndContainer{kernel_}, page_table{kernel_.System()},
handle_table{kernel_}, address_arbiter{kernel_.System()}, condition_var{kernel_.System()},
state_lock{kernel_}, list_lock{kernel_} {}
KProcess::~KProcess() = default;
-void KProcess::ChangeStatus(ProcessStatus new_status) {
- if (status == new_status) {
+void KProcess::ChangeState(State new_state) {
+ if (state == new_state) {
return;
}
- status = new_status;
+ state = new_state;
is_signaled = true;
NotifyAvailable();
}
@@ -668,17 +668,17 @@ Result KProcess::AllocateMainThreadStack(std::size_t stack_size) {
// The kernel always ensures that the given stack size is page aligned.
main_thread_stack_size = Common::AlignUp(stack_size, PageSize);
- const VAddr start{page_table->GetStackRegionStart()};
- const std::size_t size{page_table->GetStackRegionEnd() - start};
+ const VAddr start{page_table.GetStackRegionStart()};
+ const std::size_t size{page_table.GetStackRegionEnd() - start};
CASCADE_RESULT(main_thread_stack_top,
- page_table->AllocateAndMapMemory(
+ page_table.AllocateAndMapMemory(
main_thread_stack_size / PageSize, PageSize, false, start, size / PageSize,
KMemoryState::Stack, KMemoryPermission::UserReadWrite));
main_thread_stack_top += main_thread_stack_size;
- return ResultSuccess;
+ R_SUCCEED();
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_process.h b/src/core/hle/kernel/k_process.h
index d56d73bab1..2e0cc3d0bc 100644
--- a/src/core/hle/kernel/k_process.h
+++ b/src/core/hle/kernel/k_process.h
@@ -13,6 +13,7 @@
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/k_condition_variable.h"
#include "core/hle/kernel/k_handle_table.h"
+#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/k_thread_local_page.h"
#include "core/hle/kernel/k_worker_task.h"
@@ -31,7 +32,6 @@ class ProgramMetadata;
namespace Kernel {
class KernelCore;
-class KPageTable;
class KResourceLimit;
class KThread;
class KSharedMemoryInfo;
@@ -45,24 +45,6 @@ enum class MemoryRegion : u16 {
BASE = 3,
};
-/**
- * Indicates the status of a Process instance.
- *
- * @note These match the values as used by kernel,
- * so new entries should only be added if RE
- * shows that a new value has been introduced.
- */
-enum class ProcessStatus {
- Created,
- CreatedWithDebuggerAttached,
- Running,
- WaitingForDebuggerToAttach,
- DebuggerAttached,
- Exiting,
- Exited,
- DebugBreak,
-};
-
enum class ProcessActivity : u32 {
Runnable,
Paused,
@@ -89,6 +71,17 @@ public:
explicit KProcess(KernelCore& kernel_);
~KProcess() override;
+ enum class State {
+ Created = static_cast<u32>(Svc::ProcessState::Created),
+ CreatedAttached = static_cast<u32>(Svc::ProcessState::CreatedAttached),
+ Running = static_cast<u32>(Svc::ProcessState::Running),
+ Crashed = static_cast<u32>(Svc::ProcessState::Crashed),
+ RunningAttached = static_cast<u32>(Svc::ProcessState::RunningAttached),
+ Terminating = static_cast<u32>(Svc::ProcessState::Terminating),
+ Terminated = static_cast<u32>(Svc::ProcessState::Terminated),
+ DebugBreak = static_cast<u32>(Svc::ProcessState::DebugBreak),
+ };
+
enum : u64 {
/// Lowest allowed process ID for a kernel initial process.
InitialKIPIDMin = 1,
@@ -114,12 +107,12 @@ public:
/// Gets a reference to the process' page table.
KPageTable& PageTable() {
- return *page_table;
+ return page_table;
}
/// Gets const a reference to the process' page table.
const KPageTable& PageTable() const {
- return *page_table;
+ return page_table;
}
/// Gets a reference to the process' handle table.
@@ -145,26 +138,25 @@ public:
}
Result WaitConditionVariable(VAddr address, u64 cv_key, u32 tag, s64 ns) {
- return condition_var.Wait(address, cv_key, tag, ns);
+ R_RETURN(condition_var.Wait(address, cv_key, tag, ns));
}
Result SignalAddressArbiter(VAddr address, Svc::SignalType signal_type, s32 value, s32 count) {
- return address_arbiter.SignalToAddress(address, signal_type, value, count);
+ R_RETURN(address_arbiter.SignalToAddress(address, signal_type, value, count));
}
Result WaitAddressArbiter(VAddr address, Svc::ArbitrationType arb_type, s32 value,
s64 timeout) {
- return address_arbiter.WaitForAddress(address, arb_type, value, timeout);
+ R_RETURN(address_arbiter.WaitForAddress(address, arb_type, value, timeout));
}
- /// Gets the address to the process' dedicated TLS region.
- VAddr GetTLSRegionAddress() const {
- return tls_region_address;
+ VAddr GetProcessLocalRegionAddress() const {
+ return plr_address;
}
/// Gets the current status of the process
- ProcessStatus GetStatus() const {
- return status;
+ State GetState() const {
+ return state;
}
/// Gets the unique ID that identifies this particular process.
@@ -286,18 +278,18 @@ public:
}
/// Retrieves the total physical memory available to this process in bytes.
- u64 GetTotalPhysicalMemoryAvailable() const;
+ u64 GetTotalPhysicalMemoryAvailable();
/// Retrieves the total physical memory available to this process in bytes,
/// without the size of the personal system resource heap added to it.
- u64 GetTotalPhysicalMemoryAvailableWithoutSystemResource() const;
+ u64 GetTotalPhysicalMemoryAvailableWithoutSystemResource();
/// Retrieves the total physical memory used by this process in bytes.
- u64 GetTotalPhysicalMemoryUsed() const;
+ u64 GetTotalPhysicalMemoryUsed();
/// Retrieves the total physical memory used by this process in bytes,
/// without the size of the personal system resource heap added to it.
- u64 GetTotalPhysicalMemoryUsedWithoutSystemResource() const;
+ u64 GetTotalPhysicalMemoryUsedWithoutSystemResource();
/// Gets the list of all threads created with this process as their owner.
std::list<KThread*>& GetThreadList() {
@@ -415,19 +407,24 @@ private:
pinned_threads[core_id] = nullptr;
}
- /// Changes the process status. If the status is different
- /// from the current process status, then this will trigger
- /// a process signal.
- void ChangeStatus(ProcessStatus new_status);
+ void FinalizeHandleTable() {
+ // Finalize the table.
+ handle_table.Finalize();
+
+ // Note that the table is finalized.
+ is_handle_table_initialized = false;
+ }
+
+ void ChangeState(State new_state);
/// Allocates the main thread stack for the process, given the stack size in bytes.
Result AllocateMainThreadStack(std::size_t stack_size);
/// Memory manager for this process
- std::unique_ptr<KPageTable> page_table;
+ KPageTable page_table;
/// Current status of the process
- ProcessStatus status{};
+ State state{};
/// The ID of this process
u64 process_id = 0;
@@ -443,6 +440,8 @@ private:
/// Resource limit descriptor for this process
KResourceLimit* resource_limit{};
+ VAddr system_resource_address{};
+
/// The ideal CPU core for this process, threads are scheduled on this core by default.
u8 ideal_core = 0;
@@ -469,7 +468,7 @@ private:
KConditionVariable condition_var;
/// Address indicating the location of the process' dedicated TLS region.
- VAddr tls_region_address = 0;
+ VAddr plr_address = 0;
/// Random values for svcGetInfo RandomEntropy
std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy{};
@@ -495,8 +494,12 @@ private:
/// Schedule count of this process
s64 schedule_count{};
+ size_t memory_release_hint{};
+
bool is_signaled{};
bool is_suspended{};
+ bool is_immortal{};
+ bool is_handle_table_initialized{};
bool is_initialized{};
std::atomic<u16> num_running_threads{};
diff --git a/src/core/hle/kernel/k_shared_memory.cpp b/src/core/hle/kernel/k_shared_memory.cpp
index 8ff1545b6c..a039cc591c 100644
--- a/src/core/hle/kernel/k_shared_memory.cpp
+++ b/src/core/hle/kernel/k_shared_memory.cpp
@@ -50,7 +50,7 @@ Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* o
is_initialized = true;
// Clear all pages in the memory.
- std::memset(device_memory_.GetPointer(physical_address_), 0, size_);
+ std::memset(device_memory_.GetPointer<void>(physical_address_), 0, size_);
return ResultSuccess;
}
diff --git a/src/core/hle/kernel/k_shared_memory.h b/src/core/hle/kernel/k_shared_memory.h
index 34cb984564..5620c3660a 100644
--- a/src/core/hle/kernel/k_shared_memory.h
+++ b/src/core/hle/kernel/k_shared_memory.h
@@ -54,7 +54,7 @@ public:
* @return A pointer to the shared memory block from the specified offset
*/
u8* GetPointer(std::size_t offset = 0) {
- return device_memory->GetPointer(physical_address + offset);
+ return device_memory->GetPointer<u8>(physical_address + offset);
}
/**
@@ -63,7 +63,7 @@ public:
* @return A pointer to the shared memory block from the specified offset
*/
const u8* GetPointer(std::size_t offset = 0) const {
- return device_memory->GetPointer(physical_address + offset);
+ return device_memory->GetPointer<u8>(physical_address + offset);
}
void Finalize() override;
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index 174afc80d7..b7bfcdce31 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -30,6 +30,7 @@
#include "core/hle/kernel/k_worker_task_manager.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/svc_results.h"
+#include "core/hle/kernel/svc_types.h"
#include "core/hle/result.h"
#include "core/memory.h"
@@ -38,6 +39,9 @@
#endif
namespace {
+
+constexpr inline s32 TerminatingThreadPriority = Kernel::Svc::SystemThreadPriorityHighest - 1;
+
static void ResetThreadContext32(Core::ARM_Interface::ThreadContext32& context, u32 stack_top,
u32 entry_point, u32 arg) {
context = {};
@@ -241,7 +245,7 @@ Result KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack
}
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KThread::InitializeThread(KThread* thread, KThreadFunction func, uintptr_t arg,
@@ -254,7 +258,7 @@ Result KThread::InitializeThread(KThread* thread, KThreadFunction func, uintptr_
thread->host_context = std::make_shared<Common::Fiber>(std::move(init_func));
thread->is_single_core = !Settings::values.use_multi_core.GetValue();
- return ResultSuccess;
+ R_SUCCEED();
}
Result KThread::InitializeDummyThread(KThread* thread) {
@@ -264,31 +268,32 @@ Result KThread::InitializeDummyThread(KThread* thread) {
// Initialize emulation parameters.
thread->stack_parameters.disable_count = 0;
- return ResultSuccess;
+ R_SUCCEED();
}
Result KThread::InitializeMainThread(Core::System& system, KThread* thread, s32 virt_core) {
- return InitializeThread(thread, {}, {}, {}, IdleThreadPriority, virt_core, {}, ThreadType::Main,
- system.GetCpuManager().GetGuestActivateFunc());
+ R_RETURN(InitializeThread(thread, {}, {}, {}, IdleThreadPriority, virt_core, {},
+ ThreadType::Main, system.GetCpuManager().GetGuestActivateFunc()));
}
Result KThread::InitializeIdleThread(Core::System& system, KThread* thread, s32 virt_core) {
- return InitializeThread(thread, {}, {}, {}, IdleThreadPriority, virt_core, {}, ThreadType::Main,
- system.GetCpuManager().GetIdleThreadStartFunc());
+ R_RETURN(InitializeThread(thread, {}, {}, {}, IdleThreadPriority, virt_core, {},
+ ThreadType::Main, system.GetCpuManager().GetIdleThreadStartFunc()));
}
Result KThread::InitializeHighPriorityThread(Core::System& system, KThread* thread,
KThreadFunction func, uintptr_t arg, s32 virt_core) {
- return InitializeThread(thread, func, arg, {}, {}, virt_core, nullptr, ThreadType::HighPriority,
- system.GetCpuManager().GetShutdownThreadStartFunc());
+ R_RETURN(InitializeThread(thread, func, arg, {}, {}, virt_core, nullptr,
+ ThreadType::HighPriority,
+ system.GetCpuManager().GetShutdownThreadStartFunc()));
}
Result KThread::InitializeUserThread(Core::System& system, KThread* thread, KThreadFunction func,
uintptr_t arg, VAddr user_stack_top, s32 prio, s32 virt_core,
KProcess* owner) {
system.Kernel().GlobalSchedulerContext().AddThread(thread);
- return InitializeThread(thread, func, arg, user_stack_top, prio, virt_core, owner,
- ThreadType::User, system.GetCpuManager().GetGuestThreadFunc());
+ R_RETURN(InitializeThread(thread, func, arg, user_stack_top, prio, virt_core, owner,
+ ThreadType::User, system.GetCpuManager().GetGuestThreadFunc()));
}
void KThread::PostDestroy(uintptr_t arg) {
@@ -538,7 +543,7 @@ Result KThread::GetCoreMask(s32* out_ideal_core, u64* out_affinity_mask) {
*out_ideal_core = virtual_ideal_core_id;
*out_affinity_mask = virtual_affinity_mask;
- return ResultSuccess;
+ R_SUCCEED();
}
Result KThread::GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_mask) {
@@ -554,7 +559,7 @@ Result KThread::GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_mask)
*out_affinity_mask = original_physical_affinity_mask.GetAffinityMask();
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KThread::SetCoreMask(s32 core_id_, u64 v_affinity_mask) {
@@ -666,7 +671,7 @@ Result KThread::SetCoreMask(s32 core_id_, u64 v_affinity_mask) {
} while (retry_update);
}
- return ResultSuccess;
+ R_SUCCEED();
}
void KThread::SetBasePriority(s32 value) {
@@ -839,7 +844,7 @@ Result KThread::SetActivity(Svc::ThreadActivity activity) {
} while (thread_is_current);
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KThread::GetThreadContext3(std::vector<u8>& out) {
@@ -874,7 +879,7 @@ Result KThread::GetThreadContext3(std::vector<u8>& out) {
}
}
- return ResultSuccess;
+ R_SUCCEED();
}
void KThread::AddWaiterImpl(KThread* thread) {
@@ -1038,7 +1043,7 @@ Result KThread::Run() {
// Set our state and finish.
SetState(ThreadState::Runnable);
- return ResultSuccess;
+ R_SUCCEED();
}
}
@@ -1073,6 +1078,78 @@ void KThread::Exit() {
UNREACHABLE_MSG("KThread::Exit() would return");
}
+Result KThread::Terminate() {
+ ASSERT(this != GetCurrentThreadPointer(kernel));
+
+ // Request the thread terminate if it hasn't already.
+ if (const auto new_state = this->RequestTerminate(); new_state != ThreadState::Terminated) {
+ // If the thread isn't terminated, wait for it to terminate.
+ s32 index;
+ KSynchronizationObject* objects[] = {this};
+ R_TRY(KSynchronizationObject::Wait(kernel, std::addressof(index), objects, 1,
+ Svc::WaitInfinite));
+ }
+
+ R_SUCCEED();
+}
+
+ThreadState KThread::RequestTerminate() {
+ ASSERT(this != GetCurrentThreadPointer(kernel));
+
+ KScopedSchedulerLock sl{kernel};
+
+ // Determine if this is the first termination request.
+ const bool first_request = [&]() -> bool {
+ // Perform an atomic compare-and-swap from false to true.
+ bool expected = false;
+ return termination_requested.compare_exchange_strong(expected, true);
+ }();
+
+ // If this is the first request, start termination procedure.
+ if (first_request) {
+ // If the thread is in initialized state, just change state to terminated.
+ if (this->GetState() == ThreadState::Initialized) {
+ thread_state = ThreadState::Terminated;
+ return ThreadState::Terminated;
+ }
+
+ // Register the terminating dpc.
+ this->RegisterDpc(DpcFlag::Terminating);
+
+ // If the thread is pinned, unpin it.
+ if (this->GetStackParameters().is_pinned) {
+ this->GetOwnerProcess()->UnpinThread(this);
+ }
+
+ // If the thread is suspended, continue it.
+ if (this->IsSuspended()) {
+ suspend_allowed_flags = 0;
+ this->UpdateState();
+ }
+
+ // Change the thread's priority to be higher than any system thread's.
+ if (this->GetBasePriority() >= Svc::SystemThreadPriorityHighest) {
+ this->SetBasePriority(TerminatingThreadPriority);
+ }
+
+ // If the thread is runnable, send a termination interrupt to other cores.
+ if (this->GetState() == ThreadState::Runnable) {
+ if (const u64 core_mask =
+ physical_affinity_mask.GetAffinityMask() & ~(1ULL << GetCurrentCoreId(kernel));
+ core_mask != 0) {
+ Kernel::KInterruptManager::SendInterProcessorInterrupt(kernel, core_mask);
+ }
+ }
+
+ // Wake up the thread.
+ if (this->GetState() == ThreadState::Waiting) {
+ wait_queue->CancelWait(this, ResultTerminationRequested, true);
+ }
+ }
+
+ return this->GetState();
+}
+
Result KThread::Sleep(s64 timeout) {
ASSERT(!kernel.GlobalSchedulerContext().IsLocked());
ASSERT(this == GetCurrentThreadPointer(kernel));
@@ -1086,7 +1163,7 @@ Result KThread::Sleep(s64 timeout) {
// Check if the thread should terminate.
if (this->IsTerminationRequested()) {
slp.CancelSleep();
- return ResultTerminationRequested;
+ R_THROW(ResultTerminationRequested);
}
// Wait for the sleep to end.
@@ -1094,7 +1171,7 @@ Result KThread::Sleep(s64 timeout) {
SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::Sleep);
}
- return ResultSuccess;
+ R_SUCCEED();
}
void KThread::IfDummyThreadTryWait() {
diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index 9ee20208eb..e2a27d6036 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -180,6 +180,10 @@ public:
void Exit();
+ Result Terminate();
+
+ ThreadState RequestTerminate();
+
[[nodiscard]] u32 GetSuspendFlags() const {
return suspend_allowed_flags & suspend_request_flags;
}
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 9251f29ad7..eed2dc9f3e 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -24,6 +24,7 @@
#include "core/hardware_properties.h"
#include "core/hle/kernel/init/init_slab_setup.h"
#include "core/hle/kernel/k_client_port.h"
+#include "core/hle/kernel/k_dynamic_resource_manager.h"
#include "core/hle/kernel/k_handle_table.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_memory_manager.h"
@@ -73,8 +74,16 @@ struct KernelCore::Impl {
InitializeMemoryLayout();
Init::InitializeKPageBufferSlabHeap(system);
InitializeShutdownThreads();
- InitializePreemption(kernel);
InitializePhysicalCores();
+ InitializePreemption(kernel);
+
+ // Initialize the Dynamic Slab Heaps.
+ {
+ const auto& pt_heap_region = memory_layout->GetPageTableHeapRegion();
+ ASSERT(pt_heap_region.GetEndAddress() != 0);
+
+ InitializeResourceManagers(pt_heap_region.GetAddress(), pt_heap_region.GetSize());
+ }
RegisterHostThread();
}
@@ -86,6 +95,15 @@ struct KernelCore::Impl {
}
}
+ void CloseCurrentProcess() {
+ (*current_process).Finalize();
+ // current_process->Close();
+ // TODO: The current process should be destroyed based on accurate ref counting after
+ // calling Close(). Adding a manual Destroy() call instead to avoid a memory leak.
+ (*current_process).Destroy();
+ current_process = nullptr;
+ }
+
void Shutdown() {
is_shutting_down.store(true, std::memory_order_relaxed);
SCOPE_EXIT({ is_shutting_down.store(false, std::memory_order_relaxed); });
@@ -99,10 +117,6 @@ struct KernelCore::Impl {
next_user_process_id = KProcess::ProcessIDMin;
next_thread_id = 1;
- for (auto& core : cores) {
- core = nullptr;
- }
-
global_handle_table->Finalize();
global_handle_table.reset();
@@ -152,15 +166,7 @@ struct KernelCore::Impl {
}
}
- // Shutdown all processes.
- if (current_process) {
- (*current_process).Finalize();
- // current_process->Close();
- // TODO: The current process should be destroyed based on accurate ref counting after
- // calling Close(). Adding a manual Destroy() call instead to avoid a memory leak.
- (*current_process).Destroy();
- current_process = nullptr;
- }
+ CloseCurrentProcess();
// Track kernel objects that were not freed on shutdown
{
@@ -257,6 +263,18 @@ 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>();
+ 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());
+ }
+
void InitializeShutdownThreads() {
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
shutdown_threads[core_id] = KThread::Create(system.Kernel());
@@ -344,11 +362,6 @@ struct KernelCore::Impl {
static inline thread_local KThread* current_thread{nullptr};
KThread* GetCurrentEmuThread() {
- // If we are shutting down the kernel, none of this is relevant anymore.
- if (IsShuttingDown()) {
- return {};
- }
-
const auto thread_id = GetCurrentHostThreadID();
if (thread_id >= Core::Hardware::NUM_CPU_CORES) {
return GetHostDummyThread();
@@ -770,6 +783,11 @@ 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;
+ std::unique_ptr<KMemoryBlockSlabManager> app_memory_block_manager;
+
// Shared memory for services
Kernel::KSharedMemory* hid_shared_mem{};
Kernel::KSharedMemory* font_shared_mem{};
@@ -853,6 +871,10 @@ const KProcess* KernelCore::CurrentProcess() const {
return impl->current_process;
}
+void KernelCore::CloseCurrentProcess() {
+ impl->CloseCurrentProcess();
+}
+
const std::vector<KProcess*>& KernelCore::GetProcessList() const {
return impl->process_list;
}
@@ -1041,6 +1063,14 @@ const KMemoryManager& KernelCore::MemoryManager() const {
return *impl->memory_manager;
}
+KMemoryBlockSlabManager& KernelCore::GetApplicationMemoryBlockManager() {
+ return *impl->app_memory_block_manager;
+}
+
+const KMemoryBlockSlabManager& KernelCore::GetApplicationMemoryBlockManager() const {
+ return *impl->app_memory_block_manager;
+}
+
Kernel::KSharedMemory& KernelCore::GetHidSharedMem() {
return *impl->hid_shared_mem;
}
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 0847cbcbf7..6eded95393 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -37,6 +37,7 @@ class KClientSession;
class KEvent;
class KHandleTable;
class KLinkedListNode;
+class KMemoryBlockSlabManager;
class KMemoryLayout;
class KMemoryManager;
class KPageBuffer;
@@ -130,6 +131,9 @@ public:
/// Retrieves a const pointer to the current process.
const KProcess* CurrentProcess() const;
+ /// Closes the current process.
+ void CloseCurrentProcess();
+
/// Retrieves the list of processes.
const std::vector<KProcess*>& GetProcessList() const;
@@ -238,6 +242,12 @@ public:
/// Gets the virtual memory manager for the kernel.
const KMemoryManager& MemoryManager() const;
+ /// Gets the application memory block manager for the kernel.
+ KMemoryBlockSlabManager& GetApplicationMemoryBlockManager();
+
+ /// Gets the application memory block manager for the kernel.
+ const KMemoryBlockSlabManager& GetApplicationMemoryBlockManager() const;
+
/// Gets the shared memory object for HID services.
Kernel::KSharedMemory& GetHidSharedMem();
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 1d145ea91e..b07ae3f027 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -933,7 +933,7 @@ static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle han
return ResultSuccess;
case GetInfoType::UserExceptionContextAddr:
- *result = process->GetTLSRegionAddress();
+ *result = process->GetProcessLocalRegionAddress();
return ResultSuccess;
case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
@@ -1888,7 +1888,7 @@ static void ExitProcess(Core::System& system) {
auto* current_process = system.Kernel().CurrentProcess();
LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
- ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
+ ASSERT_MSG(current_process->GetState() == KProcess::State::Running,
"Process has already exited");
system.Exit();
@@ -2557,7 +2557,7 @@ static Result GetProcessInfo(Core::System& system, u64* out, Handle process_hand
return ResultInvalidEnumValue;
}
- *out = static_cast<u64>(process->GetStatus());
+ *out = static_cast<u64>(process->GetState());
return ResultSuccess;
}
diff --git a/src/core/hle/kernel/svc_common.h b/src/core/hle/kernel/svc_common.h
index 95750c3ebe..85506710ef 100644
--- a/src/core/hle/kernel/svc_common.h
+++ b/src/core/hle/kernel/svc_common.h
@@ -14,8 +14,11 @@ namespace Kernel::Svc {
using namespace Common::Literals;
-constexpr s32 ArgumentHandleCountMax = 0x40;
-constexpr u32 HandleWaitMask{1u << 30};
+constexpr inline s32 ArgumentHandleCountMax = 0x40;
+
+constexpr inline u32 HandleWaitMask = 1u << 30;
+
+constexpr inline s64 WaitInfinite = -1;
constexpr inline std::size_t HeapSizeAlignment = 2_MiB;
diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h
index 79e15183aa..abb9847fe8 100644
--- a/src/core/hle/kernel/svc_types.h
+++ b/src/core/hle/kernel/svc_types.h
@@ -95,6 +95,19 @@ constexpr inline s32 IdealCoreNoUpdate = -3;
constexpr inline s32 LowestThreadPriority = 63;
constexpr inline s32 HighestThreadPriority = 0;
+constexpr inline s32 SystemThreadPriorityHighest = 16;
+
+enum class ProcessState : u32 {
+ Created = 0,
+ CreatedAttached = 1,
+ Running = 2,
+ Crashed = 3,
+ RunningAttached = 4,
+ Terminating = 5,
+ Terminated = 6,
+ DebugBreak = 7,
+};
+
constexpr inline size_t ThreadLocalRegionSize = 0x200;
} // namespace Kernel::Svc
diff --git a/src/core/hle/result.h b/src/core/hle/result.h
index d67e68bae3..ef4b2d4173 100644
--- a/src/core/hle/result.h
+++ b/src/core/hle/result.h
@@ -135,6 +135,14 @@ union Result {
[[nodiscard]] constexpr bool IsFailure() const {
return !IsSuccess();
}
+
+ [[nodiscard]] constexpr u32 GetInnerValue() const {
+ return static_cast<u32>(module.Value()) | (description << module.bits);
+ }
+
+ [[nodiscard]] constexpr bool Includes(Result result) const {
+ return GetInnerValue() == result.GetInnerValue();
+ }
};
static_assert(std::is_trivial_v<Result>);
@@ -462,9 +470,6 @@ constexpr inline Result __TmpCurrentResultReference = ResultSuccess;
#define R_UNLESS(expr, res) \
{ \
if (!(expr)) { \
- if (res.IsError()) { \
- LOG_ERROR(Kernel, "Failed with result: {}", res.raw); \
- } \
R_THROW(res); \
} \
}
diff --git a/src/core/hle/service/ldr/ldr.cpp b/src/core/hle/service/ldr/ldr.cpp
index becd6d1b9f..652441bc29 100644
--- a/src/core/hle/service/ldr/ldr.cpp
+++ b/src/core/hle/service/ldr/ldr.cpp
@@ -290,7 +290,7 @@ public:
const std::size_t padding_size{page_table.GetNumGuardPages() * Kernel::PageSize};
const auto start_info{page_table.QueryInfo(start - 1)};
- if (start_info.state != Kernel::KMemoryState::Free) {
+ if (start_info.GetState() != Kernel::KMemoryState::Free) {
return {};
}
@@ -300,7 +300,7 @@ public:
const auto end_info{page_table.QueryInfo(start + size)};
- if (end_info.state != Kernel::KMemoryState::Free) {
+ if (end_info.GetState() != Kernel::KMemoryState::Free) {
return {};
}
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp
index ddf273b5ec..b606790217 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp
@@ -128,7 +128,8 @@ NvResult nvmap::IocAlloc(const std::vector<u8>& input, std::vector<u8>& output)
}
ASSERT(system.CurrentProcess()
->PageTable()
- .LockForDeviceAddressSpace(handle_description->address, handle_description->size)
+ .LockForMapDeviceAddressSpace(handle_description->address, handle_description->size,
+ Kernel::KMemoryPermission::None, true)
.IsSuccess());
std::memcpy(output.data(), ¶ms, sizeof(params));
return result;
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 2ac792566e..9637cb5b1e 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -65,7 +65,7 @@ struct Memory::Impl {
return {};
}
- return system.DeviceMemory().GetPointer(paddr) + vaddr;
+ return system.DeviceMemory().GetPointer<u8>(paddr) + vaddr;
}
[[nodiscard]] u8* GetPointerFromDebugMemory(VAddr vaddr) const {
@@ -75,7 +75,7 @@ struct Memory::Impl {
return {};
}
- return system.DeviceMemory().GetPointer(paddr) + vaddr;
+ return system.DeviceMemory().GetPointer<u8>(paddr) + vaddr;
}
u8 Read8(const VAddr addr) {
@@ -499,7 +499,7 @@ struct Memory::Impl {
} else {
while (base != end) {
page_table.pointers[base].Store(
- system.DeviceMemory().GetPointer(target) - (base << YUZU_PAGEBITS), type);
+ system.DeviceMemory().GetPointer<u8>(target) - (base << YUZU_PAGEBITS), type);
page_table.backing_addr[base] = target - (base << YUZU_PAGEBITS);
ASSERT_MSG(page_table.pointers[base].Pointer(),
diff --git a/src/tests/core/core_timing.cpp b/src/tests/core/core_timing.cpp
index 7c432a63c5..284b2ae66f 100644
--- a/src/tests/core/core_timing.cpp
+++ b/src/tests/core/core_timing.cpp
@@ -40,9 +40,6 @@ struct ScopeInit final {
core_timing.SetMulticore(true);
core_timing.Initialize([]() {});
}
- ~ScopeInit() {
- core_timing.Shutdown();
- }
Core::Timing::CoreTiming core_timing;
};
diff --git a/src/video_core/renderer_vulkan/vk_query_cache.cpp b/src/video_core/renderer_vulkan/vk_query_cache.cpp
index 7cb02631c4..4b15c0f85b 100644
--- a/src/video_core/renderer_vulkan/vk_query_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_query_cache.cpp
@@ -59,10 +59,11 @@ void QueryPool::Reserve(std::pair<VkQueryPool, u32> query) {
std::find_if(pools.begin(), pools.end(), [query_pool = query.first](vk::QueryPool& pool) {
return query_pool == *pool;
});
- ASSERT(it != std::end(pools));
- const std::ptrdiff_t pool_index = std::distance(std::begin(pools), it);
- usage[pool_index * GROW_STEP + static_cast<std::ptrdiff_t>(query.second)] = false;
+ if (it != std::end(pools)) {
+ const std::ptrdiff_t pool_index = std::distance(std::begin(pools), it);
+ usage[pool_index * GROW_STEP + static_cast<std::ptrdiff_t>(query.second)] = false;
+ }
}
QueryCache::QueryCache(VideoCore::RasterizerInterface& rasterizer_, const Device& device_,
diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp
index 24251247d2..6acfb7b06c 100644
--- a/src/yuzu/bootmanager.cpp
+++ b/src/yuzu/bootmanager.cpp
@@ -120,8 +120,8 @@ void EmuThread::run() {
}
}
- // Shutdown the core emulation
- system.Shutdown();
+ // Shutdown the main emulated process
+ system.ShutdownMainProcess();
#if MICROPROFILE_ENABLED
MicroProfileOnThreadExit();
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index a94624be63..501c342551 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -294,6 +294,7 @@ GMainWindow::GMainWindow(std::unique_ptr<Config> config_, bool has_broken_vulkan
#ifdef __linux__
SetupSigInterrupts();
#endif
+ system->Initialize();
Common::Log::Initialize();
LoadTranslation();
diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp
index 3a0f33cba1..e16f79eb40 100644
--- a/src/yuzu_cmd/yuzu.cpp
+++ b/src/yuzu_cmd/yuzu.cpp
@@ -302,6 +302,8 @@ int main(int argc, char** argv) {
}
Core::System system{};
+ system.Initialize();
+
InputCommon::InputSubsystem input_subsystem{};
// Apply the command line arguments
@@ -392,7 +394,7 @@ int main(int argc, char** argv) {
}
system.DetachDebugger();
void(system.Pause());
- system.Shutdown();
+ system.ShutdownMainProcess();
detached_tasks.WaitForAllTasks();
return 0;