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-rw-r--r--src/core/hle/kernel/hle_ipc.cpp5
-rw-r--r--src/core/hle/kernel/hle_ipc.h9
-rw-r--r--src/core/hle/kernel/init/init_slab_setup.cpp101
-rw-r--r--src/core/hle/kernel/init/init_slab_setup.h5
-rw-r--r--src/core/hle/kernel/k_address_arbiter.cpp6
-rw-r--r--src/core/hle/kernel/k_condition_variable.cpp2
-rw-r--r--src/core/hle/kernel/k_memory_layout.h6
-rw-r--r--src/core/hle/kernel/k_page_buffer.cpp19
-rw-r--r--src/core/hle/kernel/k_page_buffer.h29
-rw-r--r--src/core/hle/kernel/k_page_table.cpp126
-rw-r--r--src/core/hle/kernel/k_page_table.h17
-rw-r--r--src/core/hle/kernel/k_port.cpp7
-rw-r--r--src/core/hle/kernel/k_process.cpp194
-rw-r--r--src/core/hle/kernel/k_process.h18
-rw-r--r--src/core/hle/kernel/k_server_port.h8
-rw-r--r--src/core/hle/kernel/k_server_session.cpp15
-rw-r--r--src/core/hle/kernel/k_slab_heap.h230
-rw-r--r--src/core/hle/kernel/k_thread.cpp7
-rw-r--r--src/core/hle/kernel/k_thread.h6
-rw-r--r--src/core/hle/kernel/k_thread_local_page.cpp66
-rw-r--r--src/core/hle/kernel/k_thread_local_page.h112
-rw-r--r--src/core/hle/kernel/kernel.cpp78
-rw-r--r--src/core/hle/kernel/kernel.h22
-rw-r--r--src/core/hle/kernel/service_thread.cpp5
-rw-r--r--src/core/hle/kernel/slab_helpers.h2
-rw-r--r--src/core/hle/kernel/svc_types.h2
26 files changed, 726 insertions, 371 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index e19544c54..9f2175f82 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -45,7 +45,7 @@ bool SessionRequestManager::HasSessionRequestHandler(const HLERequestContext& co
LOG_CRITICAL(IPC, "object_id {} is too big!", object_id);
return false;
}
- return DomainHandler(object_id - 1) != nullptr;
+ return DomainHandler(object_id - 1).lock() != nullptr;
} else {
return session_handler != nullptr;
}
@@ -53,9 +53,6 @@ bool SessionRequestManager::HasSessionRequestHandler(const HLERequestContext& co
void SessionRequestHandler::ClientConnected(KServerSession* session) {
session->ClientConnected(shared_from_this());
-
- // Ensure our server session is tracked globally.
- kernel.RegisterServerSession(session);
}
void SessionRequestHandler::ClientDisconnected(KServerSession* session) {
diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index 754b41ff6..670cc741c 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -94,6 +94,7 @@ protected:
std::weak_ptr<ServiceThread> service_thread;
};
+using SessionRequestHandlerWeakPtr = std::weak_ptr<SessionRequestHandler>;
using SessionRequestHandlerPtr = std::shared_ptr<SessionRequestHandler>;
/**
@@ -139,7 +140,7 @@ public:
}
}
- SessionRequestHandlerPtr DomainHandler(std::size_t index) const {
+ SessionRequestHandlerWeakPtr DomainHandler(std::size_t index) const {
ASSERT_MSG(index < DomainHandlerCount(), "Unexpected handler index {}", index);
return domain_handlers.at(index);
}
@@ -328,10 +329,10 @@ public:
template <typename T>
std::shared_ptr<T> GetDomainHandler(std::size_t index) const {
- return std::static_pointer_cast<T>(manager->DomainHandler(index));
+ return std::static_pointer_cast<T>(manager.lock()->DomainHandler(index).lock());
}
- void SetSessionRequestManager(std::shared_ptr<SessionRequestManager> manager_) {
+ void SetSessionRequestManager(std::weak_ptr<SessionRequestManager> manager_) {
manager = std::move(manager_);
}
@@ -374,7 +375,7 @@ private:
u32 handles_offset{};
u32 domain_offset{};
- std::shared_ptr<SessionRequestManager> manager;
+ std::weak_ptr<SessionRequestManager> manager;
KernelCore& kernel;
Core::Memory::Memory& memory;
diff --git a/src/core/hle/kernel/init/init_slab_setup.cpp b/src/core/hle/kernel/init/init_slab_setup.cpp
index 36fc0944a..b0f773ee0 100644
--- a/src/core/hle/kernel/init/init_slab_setup.cpp
+++ b/src/core/hle/kernel/init/init_slab_setup.cpp
@@ -7,19 +7,23 @@
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/core.h"
+#include "core/device_memory.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/init/init_slab_setup.h"
#include "core/hle/kernel/k_code_memory.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_memory_manager.h"
+#include "core/hle/kernel/k_page_buffer.h"
#include "core/hle/kernel/k_port.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_session.h"
#include "core/hle/kernel/k_shared_memory.h"
+#include "core/hle/kernel/k_shared_memory_info.h"
#include "core/hle/kernel/k_system_control.h"
#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_thread_local_page.h"
#include "core/hle/kernel/k_transfer_memory.h"
namespace Kernel::Init {
@@ -32,9 +36,13 @@ namespace Kernel::Init {
HANDLER(KEvent, (SLAB_COUNT(KEvent)), ##__VA_ARGS__) \
HANDLER(KPort, (SLAB_COUNT(KPort)), ##__VA_ARGS__) \
HANDLER(KSharedMemory, (SLAB_COUNT(KSharedMemory)), ##__VA_ARGS__) \
+ HANDLER(KSharedMemoryInfo, (SLAB_COUNT(KSharedMemory) * 8), ##__VA_ARGS__) \
HANDLER(KTransferMemory, (SLAB_COUNT(KTransferMemory)), ##__VA_ARGS__) \
HANDLER(KCodeMemory, (SLAB_COUNT(KCodeMemory)), ##__VA_ARGS__) \
HANDLER(KSession, (SLAB_COUNT(KSession)), ##__VA_ARGS__) \
+ HANDLER(KThreadLocalPage, \
+ (SLAB_COUNT(KProcess) + (SLAB_COUNT(KProcess) + SLAB_COUNT(KThread)) / 8), \
+ ##__VA_ARGS__) \
HANDLER(KResourceLimit, (SLAB_COUNT(KResourceLimit)), ##__VA_ARGS__)
namespace {
@@ -50,38 +58,46 @@ enum KSlabType : u32 {
// Constexpr counts.
constexpr size_t SlabCountKProcess = 80;
constexpr size_t SlabCountKThread = 800;
-constexpr size_t SlabCountKEvent = 700;
+constexpr size_t SlabCountKEvent = 900;
constexpr size_t SlabCountKInterruptEvent = 100;
-constexpr size_t SlabCountKPort = 256 + 0x20; // Extra 0x20 ports over Nintendo for homebrew.
+constexpr size_t SlabCountKPort = 384;
constexpr size_t SlabCountKSharedMemory = 80;
constexpr size_t SlabCountKTransferMemory = 200;
constexpr size_t SlabCountKCodeMemory = 10;
constexpr size_t SlabCountKDeviceAddressSpace = 300;
-constexpr size_t SlabCountKSession = 933;
+constexpr size_t SlabCountKSession = 1133;
constexpr size_t SlabCountKLightSession = 100;
constexpr size_t SlabCountKObjectName = 7;
constexpr size_t SlabCountKResourceLimit = 5;
constexpr size_t SlabCountKDebug = Core::Hardware::NUM_CPU_CORES;
-constexpr size_t SlabCountKAlpha = 1;
-constexpr size_t SlabCountKBeta = 6;
+constexpr size_t SlabCountKIoPool = 1;
+constexpr size_t SlabCountKIoRegion = 6;
constexpr size_t SlabCountExtraKThread = 160;
+/// Helper function to translate from the slab virtual address to the reserved location in physical
+/// memory.
+static PAddr TranslateSlabAddrToPhysical(KMemoryLayout& memory_layout, VAddr slab_addr) {
+ slab_addr -= memory_layout.GetSlabRegionAddress();
+ return slab_addr + Core::DramMemoryMap::SlabHeapBase;
+}
+
template <typename T>
VAddr InitializeSlabHeap(Core::System& system, KMemoryLayout& memory_layout, VAddr address,
size_t num_objects) {
- // TODO(bunnei): This is just a place holder. We should initialize the appropriate KSlabHeap for
- // kernel object type T with the backing kernel memory pointer once we emulate kernel memory.
const size_t size = Common::AlignUp(sizeof(T) * num_objects, alignof(void*));
VAddr start = Common::AlignUp(address, alignof(T));
- // This is intentionally empty. Once KSlabHeap is fully implemented, we can replace this with
- // the pointer to emulated memory to pass along. Until then, KSlabHeap will just allocate/free
- // host memory.
- void* backing_kernel_memory{};
+ // This should use the virtual memory address passed in, but currently, we do not setup the
+ // kernel virtual memory layout. Instead, we simply map these at a region of physical memory
+ // that we reserve for the slab heaps.
+ // 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))};
+
const KMemoryRegion* region = memory_layout.FindVirtual(start + size - 1);
ASSERT(region != nullptr);
ASSERT(region->IsDerivedFrom(KMemoryRegionType_KernelSlab));
@@ -91,6 +107,12 @@ VAddr InitializeSlabHeap(Core::System& system, KMemoryLayout& memory_layout, VAd
return start + size;
}
+size_t CalculateSlabHeapGapSize() {
+ constexpr size_t KernelSlabHeapGapSize = 2_MiB - 296_KiB;
+ static_assert(KernelSlabHeapGapSize <= KernelSlabHeapGapsSizeMax);
+ return KernelSlabHeapGapSize;
+}
+
} // namespace
KSlabResourceCounts KSlabResourceCounts::CreateDefault() {
@@ -109,8 +131,8 @@ KSlabResourceCounts KSlabResourceCounts::CreateDefault() {
.num_KObjectName = SlabCountKObjectName,
.num_KResourceLimit = SlabCountKResourceLimit,
.num_KDebug = SlabCountKDebug,
- .num_KAlpha = SlabCountKAlpha,
- .num_KBeta = SlabCountKBeta,
+ .num_KIoPool = SlabCountKIoPool,
+ .num_KIoRegion = SlabCountKIoRegion,
};
}
@@ -136,11 +158,34 @@ size_t CalculateTotalSlabHeapSize(const KernelCore& kernel) {
#undef ADD_SLAB_SIZE
// Add the reserved size.
- size += KernelSlabHeapGapsSize;
+ size += CalculateSlabHeapGapSize();
return size;
}
+void InitializeKPageBufferSlabHeap(Core::System& system) {
+ auto& kernel = system.Kernel();
+
+ const auto& counts = kernel.SlabResourceCounts();
+ const size_t num_pages =
+ counts.num_KProcess + counts.num_KThread + (counts.num_KProcess + counts.num_KThread) / 8;
+ const size_t slab_size = num_pages * PageSize;
+
+ // Reserve memory from the system resource limit.
+ ASSERT(kernel.GetSystemResourceLimit()->Reserve(LimitableResource::PhysicalMemory, slab_size));
+
+ // Allocate memory for the slab.
+ constexpr auto AllocateOption = KMemoryManager::EncodeOption(
+ KMemoryManager::Pool::System, KMemoryManager::Direction::FromFront);
+ const PAddr slab_address =
+ kernel.MemoryManager().AllocateAndOpenContinuous(num_pages, 1, AllocateOption);
+ ASSERT(slab_address != 0);
+
+ // Initialize the slabheap.
+ KPageBuffer::InitializeSlabHeap(kernel, system.DeviceMemory().GetPointer(slab_address),
+ slab_size);
+}
+
void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
auto& kernel = system.Kernel();
@@ -160,13 +205,13 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
}
// Create an array to represent the gaps between the slabs.
- const size_t total_gap_size = KernelSlabHeapGapsSize;
+ const size_t total_gap_size = CalculateSlabHeapGapSize();
std::array<size_t, slab_types.size()> slab_gaps;
- for (size_t i = 0; i < slab_gaps.size(); i++) {
+ for (auto& slab_gap : slab_gaps) {
// Note: This is an off-by-one error from Nintendo's intention, because GenerateRandomRange
// is inclusive. However, Nintendo also has the off-by-one error, and it's "harmless", so we
// will include it ourselves.
- slab_gaps[i] = KSystemControl::GenerateRandomRange(0, total_gap_size);
+ slab_gap = KSystemControl::GenerateRandomRange(0, total_gap_size);
}
// Sort the array, so that we can treat differences between values as offsets to the starts of
@@ -177,13 +222,21 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
}
}
- for (size_t i = 0; i < slab_types.size(); i++) {
+ // Track the gaps, so that we can free them to the unused slab tree.
+ VAddr gap_start = address;
+ size_t gap_size = 0;
+
+ for (size_t i = 0; i < slab_gaps.size(); i++) {
// Add the random gap to the address.
- address += (i == 0) ? slab_gaps[0] : slab_gaps[i] - slab_gaps[i - 1];
+ const auto cur_gap = (i == 0) ? slab_gaps[0] : slab_gaps[i] - slab_gaps[i - 1];
+ address += cur_gap;
+ gap_size += cur_gap;
#define INITIALIZE_SLAB_HEAP(NAME, COUNT, ...) \
case KSlabType_##NAME: \
- address = InitializeSlabHeap<NAME>(system, memory_layout, address, COUNT); \
+ if (COUNT > 0) { \
+ address = InitializeSlabHeap<NAME>(system, memory_layout, address, COUNT); \
+ } \
break;
// Initialize the slabheap.
@@ -192,7 +245,13 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
FOREACH_SLAB_TYPE(INITIALIZE_SLAB_HEAP)
// If we somehow get an invalid type, abort.
default:
- UNREACHABLE();
+ UNREACHABLE_MSG("Unknown slab type: {}", slab_types[i]);
+ }
+
+ // If we've hit the end of a gap, free it.
+ if (gap_start + gap_size != address) {
+ gap_start = address;
+ gap_size = 0;
}
}
}
diff --git a/src/core/hle/kernel/init/init_slab_setup.h b/src/core/hle/kernel/init/init_slab_setup.h
index a8f7e0918..f54b67d02 100644
--- a/src/core/hle/kernel/init/init_slab_setup.h
+++ b/src/core/hle/kernel/init/init_slab_setup.h
@@ -32,12 +32,13 @@ struct KSlabResourceCounts {
size_t num_KObjectName;
size_t num_KResourceLimit;
size_t num_KDebug;
- size_t num_KAlpha;
- size_t num_KBeta;
+ size_t num_KIoPool;
+ size_t num_KIoRegion;
};
void InitializeSlabResourceCounts(KernelCore& kernel);
size_t CalculateTotalSlabHeapSize(const KernelCore& kernel);
+void InitializeKPageBufferSlabHeap(Core::System& system);
void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout);
} // namespace Kernel::Init
diff --git a/src/core/hle/kernel/k_address_arbiter.cpp b/src/core/hle/kernel/k_address_arbiter.cpp
index 1d1f5e5f8..8cdd0490f 100644
--- a/src/core/hle/kernel/k_address_arbiter.cpp
+++ b/src/core/hle/kernel/k_address_arbiter.cpp
@@ -115,7 +115,7 @@ ResultCode KAddressArbiter::Signal(VAddr addr, s32 count) {
{
KScopedSchedulerLock sl(kernel);
- auto it = thread_tree.nfind_light({addr, -1});
+ auto it = thread_tree.nfind_key({addr, -1});
while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
(it->GetAddressArbiterKey() == addr)) {
// End the thread's wait.
@@ -148,7 +148,7 @@ ResultCode KAddressArbiter::SignalAndIncrementIfEqual(VAddr addr, s32 value, s32
return ResultInvalidState;
}
- auto it = thread_tree.nfind_light({addr, -1});
+ auto it = thread_tree.nfind_key({addr, -1});
while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
(it->GetAddressArbiterKey() == addr)) {
// End the thread's wait.
@@ -171,7 +171,7 @@ ResultCode KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32
{
[[maybe_unused]] const KScopedSchedulerLock sl(kernel);
- auto it = thread_tree.nfind_light({addr, -1});
+ auto it = thread_tree.nfind_key({addr, -1});
// Determine the updated value.
s32 new_value{};
if (count <= 0) {
diff --git a/src/core/hle/kernel/k_condition_variable.cpp b/src/core/hle/kernel/k_condition_variable.cpp
index aadcc297a..8e2a9593c 100644
--- a/src/core/hle/kernel/k_condition_variable.cpp
+++ b/src/core/hle/kernel/k_condition_variable.cpp
@@ -244,7 +244,7 @@ void KConditionVariable::Signal(u64 cv_key, s32 count) {
{
KScopedSchedulerLock sl(kernel);
- auto it = thread_tree.nfind_light({cv_key, -1});
+ auto it = thread_tree.nfind_key({cv_key, -1});
while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
(it->GetConditionVariableKey() == cv_key)) {
KThread* target_thread = std::addressof(*it);
diff --git a/src/core/hle/kernel/k_memory_layout.h b/src/core/hle/kernel/k_memory_layout.h
index bcddb0d62..0858827b6 100644
--- a/src/core/hle/kernel/k_memory_layout.h
+++ b/src/core/hle/kernel/k_memory_layout.h
@@ -57,11 +57,11 @@ constexpr std::size_t KernelPageTableHeapSize = GetMaximumOverheadSize(MainMemor
constexpr std::size_t KernelInitialPageHeapSize = 128_KiB;
constexpr std::size_t KernelSlabHeapDataSize = 5_MiB;
-constexpr std::size_t KernelSlabHeapGapsSize = 2_MiB - 64_KiB;
-constexpr std::size_t KernelSlabHeapSize = KernelSlabHeapDataSize + KernelSlabHeapGapsSize;
+constexpr std::size_t KernelSlabHeapGapsSizeMax = 2_MiB - 64_KiB;
+constexpr std::size_t KernelSlabHeapSize = KernelSlabHeapDataSize + KernelSlabHeapGapsSizeMax;
// NOTE: This is calculated from KThread slab counts, assuming KThread size <= 0x860.
-constexpr std::size_t KernelSlabHeapAdditionalSize = 416_KiB;
+constexpr std::size_t KernelSlabHeapAdditionalSize = 0x68000;
constexpr std::size_t KernelResourceSize =
KernelPageTableHeapSize + KernelInitialPageHeapSize + KernelSlabHeapSize;
diff --git a/src/core/hle/kernel/k_page_buffer.cpp b/src/core/hle/kernel/k_page_buffer.cpp
new file mode 100644
index 000000000..f7df4a9a8
--- /dev/null
+++ b/src/core/hle/kernel/k_page_buffer.cpp
@@ -0,0 +1,19 @@
+// Copyright 2022 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/alignment.h"
+#include "common/assert.h"
+#include "core/core.h"
+#include "core/device_memory.h"
+#include "core/hle/kernel/k_page_buffer.h"
+#include "core/hle/kernel/memory_types.h"
+
+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));
+}
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_page_buffer.h b/src/core/hle/kernel/k_page_buffer.h
new file mode 100644
index 000000000..6ff3c1568
--- /dev/null
+++ b/src/core/hle/kernel/k_page_buffer.h
@@ -0,0 +1,29 @@
+// Copyright 2022 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+#include "core/device_memory.h"
+#include "core/hle/kernel/memory_types.h"
+#include "core/hle/kernel/slab_helpers.h"
+
+namespace Kernel {
+
+class KPageBuffer final : public KSlabAllocated<KPageBuffer> {
+public:
+ KPageBuffer() = default;
+
+ static KPageBuffer* FromPhysicalAddress(Core::System& system, PAddr phys_addr);
+
+private:
+ [[maybe_unused]] alignas(PageSize) std::array<u8, PageSize> m_buffer{};
+};
+
+static_assert(sizeof(KPageBuffer) == PageSize);
+static_assert(alignof(KPageBuffer) == PageSize);
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp
index 0602de1f7..02d93b12e 100644
--- a/src/core/hle/kernel/k_page_table.cpp
+++ b/src/core/hle/kernel/k_page_table.cpp
@@ -424,6 +424,68 @@ ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std
return ResultSuccess;
}
+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 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);
+ }
+ }
+
+ // Find the first free area.
+ if (address == 0) {
+ address = block_manager->FindFreeArea(region_start, region_num_pages, num_pages,
+ alignment, offset, guard_pages);
+ }
+ }
+
+ return address;
+}
+
ResultCode KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size,
KPageTable& src_page_table, VAddr src_addr) {
KScopedLightLock lk(general_lock);
@@ -1055,6 +1117,46 @@ ResultCode KPageTable::MapPages(VAddr address, KPageLinkedList& page_linked_list
return ResultSuccess;
}
+ResultCode 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) {
+ ASSERT(Common::IsAligned(alignment, PageSize) && alignment >= PageSize);
+
+ // Ensure this is a valid map request.
+ R_UNLESS(this->CanContain(region_start, region_num_pages * PageSize, state),
+ ResultInvalidCurrentMemory);
+ R_UNLESS(num_pages < region_num_pages, ResultOutOfMemory);
+
+ // Lock the table.
+ KScopedLightLock lk(general_lock);
+
+ // Find a random address to map at.
+ VAddr addr = this->FindFreeArea(region_start, region_num_pages, num_pages, alignment, 0,
+ this->GetNumGuardPages());
+ R_UNLESS(addr != 0, ResultOutOfMemory);
+ ASSERT(Common::IsAligned(addr, alignment));
+ ASSERT(this->CanContain(addr, num_pages * PageSize, state));
+ ASSERT(this->CheckMemoryState(addr, num_pages * PageSize, KMemoryState::All, KMemoryState::Free,
+ KMemoryPermission::None, KMemoryPermission::None,
+ KMemoryAttribute::None, KMemoryAttribute::None)
+ .IsSuccess());
+
+ // Perform mapping operation.
+ if (is_pa_valid) {
+ R_TRY(this->Operate(addr, num_pages, perm, OperationType::Map, phys_addr));
+ } else {
+ UNIMPLEMENTED();
+ }
+
+ // Update the blocks.
+ block_manager->Update(addr, num_pages, state, perm);
+
+ // We successfully mapped the pages.
+ *out_addr = addr;
+ return ResultSuccess;
+}
+
ResultCode KPageTable::UnmapPages(VAddr addr, const KPageLinkedList& page_linked_list) {
ASSERT(this->IsLockedByCurrentThread());
@@ -1097,6 +1199,30 @@ ResultCode KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list,
return ResultSuccess;
}
+ResultCode 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;
+ R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory);
+
+ // Lock the table.
+ KScopedLightLock lk(general_lock);
+
+ // Check the memory state.
+ std::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));
+
+ // 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);
+
+ return ResultSuccess;
+}
+
ResultCode KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
Svc::MemoryPermission svc_perm) {
const size_t num_pages = size / PageSize;
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h
index e99abe36a..54c6adf8d 100644
--- a/src/core/hle/kernel/k_page_table.h
+++ b/src/core/hle/kernel/k_page_table.h
@@ -46,7 +46,14 @@ public:
ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
KMemoryPermission perm);
+ ResultCode MapPages(VAddr* out_addr, std::size_t num_pages, std::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);
+ }
ResultCode UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state);
+ ResultCode UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state);
ResultCode SetProcessMemoryPermission(VAddr addr, std::size_t size,
Svc::MemoryPermission svc_perm);
KMemoryInfo QueryInfo(VAddr addr);
@@ -91,6 +98,9 @@ private:
ResultCode InitializeMemoryLayout(VAddr start, VAddr end);
ResultCode MapPages(VAddr addr, const KPageLinkedList& page_linked_list,
KMemoryPermission perm);
+ ResultCode 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);
ResultCode UnmapPages(VAddr addr, const KPageLinkedList& page_linked_list);
bool IsRegionMapped(VAddr address, u64 size);
bool IsRegionContiguous(VAddr addr, u64 size) const;
@@ -105,6 +115,9 @@ private:
VAddr GetRegionAddress(KMemoryState state) const;
std::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);
+
ResultCode CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr,
std::size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
@@ -137,7 +150,7 @@ private:
return CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
state_mask, state, perm_mask, perm, attr_mask, attr, ignore_attr);
}
- ResultCode CheckMemoryState(VAddr addr, size_t size, KMemoryState state_mask,
+ ResultCode CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr,
@@ -210,7 +223,7 @@ public:
constexpr VAddr GetAliasCodeRegionSize() const {
return alias_code_region_end - alias_code_region_start;
}
- size_t GetNormalMemorySize() {
+ std::size_t GetNormalMemorySize() {
KScopedLightLock lk(general_lock);
return GetHeapSize() + mapped_physical_memory_size;
}
diff --git a/src/core/hle/kernel/k_port.cpp b/src/core/hle/kernel/k_port.cpp
index a8ba09c4a..ceb98709f 100644
--- a/src/core/hle/kernel/k_port.cpp
+++ b/src/core/hle/kernel/k_port.cpp
@@ -57,7 +57,12 @@ ResultCode KPort::EnqueueSession(KServerSession* session) {
R_UNLESS(state == State::Normal, ResultPortClosed);
server.EnqueueSession(session);
- server.GetSessionRequestHandler()->ClientConnected(server.AcceptSession());
+
+ if (auto session_ptr = server.GetSessionRequestHandler().lock()) {
+ session_ptr->ClientConnected(server.AcceptSession());
+ } else {
+ UNREACHABLE();
+ }
return ResultSuccess;
}
diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index 9233261cd..b39405496 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -70,58 +70,6 @@ void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority
}
} // Anonymous namespace
-// Represents a page used for thread-local storage.
-//
-// Each TLS page contains slots that may be used by processes and threads.
-// Every process and thread is created with a slot in some arbitrary page
-// (whichever page happens to have an available slot).
-class TLSPage {
-public:
- static constexpr std::size_t num_slot_entries =
- Core::Memory::PAGE_SIZE / Core::Memory::TLS_ENTRY_SIZE;
-
- explicit TLSPage(VAddr address) : base_address{address} {}
-
- bool HasAvailableSlots() const {
- return !is_slot_used.all();
- }
-
- VAddr GetBaseAddress() const {
- return base_address;
- }
-
- std::optional<VAddr> ReserveSlot() {
- for (std::size_t i = 0; i < is_slot_used.size(); i++) {
- if (is_slot_used[i]) {
- continue;
- }
-
- is_slot_used[i] = true;
- return base_address + (i * Core::Memory::TLS_ENTRY_SIZE);
- }
-
- return std::nullopt;
- }
-
- void ReleaseSlot(VAddr address) {
- // Ensure that all given addresses are consistent with how TLS pages
- // are intended to be used when releasing slots.
- ASSERT(IsWithinPage(address));
- ASSERT((address % Core::Memory::TLS_ENTRY_SIZE) == 0);
-
- const std::size_t index = (address - base_address) / Core::Memory::TLS_ENTRY_SIZE;
- is_slot_used[index] = false;
- }
-
-private:
- bool IsWithinPage(VAddr address) const {
- return base_address <= address && address < base_address + Core::Memory::PAGE_SIZE;
- }
-
- VAddr base_address;
- std::bitset<num_slot_entries> is_slot_used;
-};
-
ResultCode KProcess::Initialize(KProcess* process, Core::System& system, std::string process_name,
ProcessType type, KResourceLimit* res_limit) {
auto& kernel = system.Kernel();
@@ -404,7 +352,7 @@ ResultCode KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
}
// Create TLS region
- tls_region_address = CreateTLSRegion();
+ R_TRY(this->CreateThreadLocalRegion(std::addressof(tls_region_address)));
memory_reservation.Commit();
return handle_table.Initialize(capabilities.GetHandleTableSize());
@@ -444,7 +392,7 @@ void KProcess::PrepareForTermination() {
stop_threads(kernel.System().GlobalSchedulerContext().GetThreadList());
- FreeTLSRegion(tls_region_address);
+ this->DeleteThreadLocalRegion(tls_region_address);
tls_region_address = 0;
if (resource_limit) {
@@ -456,9 +404,6 @@ void KProcess::PrepareForTermination() {
}
void KProcess::Finalize() {
- // Finalize the handle table and close any open handles.
- handle_table.Finalize();
-
// Free all shared memory infos.
{
auto it = shared_memory_list.begin();
@@ -483,67 +428,110 @@ void KProcess::Finalize() {
resource_limit = nullptr;
}
+ // Finalize the page table.
+ page_table.reset();
+
// Perform inherited finalization.
KAutoObjectWithSlabHeapAndContainer<KProcess, KWorkerTask>::Finalize();
}
-/**
- * Attempts to find a TLS page that contains a free slot for
- * use by a thread.
- *
- * @returns If a page with an available slot is found, then an iterator
- * pointing to the page is returned. Otherwise the end iterator
- * is returned instead.
- */
-static auto FindTLSPageWithAvailableSlots(std::vector<TLSPage>& tls_pages) {
- return std::find_if(tls_pages.begin(), tls_pages.end(),
- [](const auto& page) { return page.HasAvailableSlots(); });
-}
+ResultCode KProcess::CreateThreadLocalRegion(VAddr* out) {
+ KThreadLocalPage* tlp = nullptr;
+ VAddr tlr = 0;
-VAddr KProcess::CreateTLSRegion() {
- KScopedSchedulerLock lock(kernel);
- if (auto tls_page_iter{FindTLSPageWithAvailableSlots(tls_pages)};
- tls_page_iter != tls_pages.cend()) {
- return *tls_page_iter->ReserveSlot();
- }
+ // See if we can get a region from a partially used TLP.
+ {
+ KScopedSchedulerLock sl{kernel};
- Page* const tls_page_ptr{kernel.GetUserSlabHeapPages().Allocate()};
- ASSERT(tls_page_ptr);
+ if (auto it = partially_used_tlp_tree.begin(); it != partially_used_tlp_tree.end()) {
+ tlr = it->Reserve();
+ ASSERT(tlr != 0);
- const VAddr start{page_table->GetKernelMapRegionStart()};
- const VAddr size{page_table->GetKernelMapRegionEnd() - start};
- const PAddr tls_map_addr{kernel.System().DeviceMemory().GetPhysicalAddr(tls_page_ptr)};
- const VAddr tls_page_addr{page_table
- ->AllocateAndMapMemory(1, PageSize, true, start, size / PageSize,
- KMemoryState::ThreadLocal,
- KMemoryPermission::UserReadWrite,
- tls_map_addr)
- .ValueOr(0)};
+ if (it->IsAllUsed()) {
+ tlp = std::addressof(*it);
+ partially_used_tlp_tree.erase(it);
+ fully_used_tlp_tree.insert(*tlp);
+ }
- ASSERT(tls_page_addr);
+ *out = tlr;
+ return ResultSuccess;
+ }
+ }
- std::memset(tls_page_ptr, 0, PageSize);
- tls_pages.emplace_back(tls_page_addr);
+ // Allocate a new page.
+ tlp = KThreadLocalPage::Allocate(kernel);
+ R_UNLESS(tlp != nullptr, ResultOutOfMemory);
+ auto tlp_guard = SCOPE_GUARD({ KThreadLocalPage::Free(kernel, tlp); });
- const auto reserve_result{tls_pages.back().ReserveSlot()};
- ASSERT(reserve_result.has_value());
+ // Initialize the new page.
+ R_TRY(tlp->Initialize(kernel, this));
+
+ // Reserve a TLR.
+ tlr = tlp->Reserve();
+ ASSERT(tlr != 0);
+
+ // Insert into our tree.
+ {
+ KScopedSchedulerLock sl{kernel};
+ if (tlp->IsAllUsed()) {
+ fully_used_tlp_tree.insert(*tlp);
+ } else {
+ partially_used_tlp_tree.insert(*tlp);
+ }
+ }
- return *reserve_result;
+ // We succeeded!
+ tlp_guard.Cancel();
+ *out = tlr;
+ return ResultSuccess;
}
-void KProcess::FreeTLSRegion(VAddr tls_address) {
- KScopedSchedulerLock lock(kernel);
- const VAddr aligned_address = Common::AlignDown(tls_address, Core::Memory::PAGE_SIZE);
- auto iter =
- std::find_if(tls_pages.begin(), tls_pages.end(), [aligned_address](const auto& page) {
- return page.GetBaseAddress() == aligned_address;
- });
+ResultCode KProcess::DeleteThreadLocalRegion(VAddr addr) {
+ KThreadLocalPage* page_to_free = nullptr;
+
+ // Release the region.
+ {
+ KScopedSchedulerLock sl{kernel};
+
+ // Try to find the page in the partially used list.
+ auto it = partially_used_tlp_tree.find_key(Common::AlignDown(addr, PageSize));
+ if (it == partially_used_tlp_tree.end()) {
+ // If we don't find it, it has to be in the fully used list.
+ it = fully_used_tlp_tree.find_key(Common::AlignDown(addr, PageSize));
+ R_UNLESS(it != fully_used_tlp_tree.end(), ResultInvalidAddress);
+
+ // Release the region.
+ it->Release(addr);
+
+ // Move the page out of the fully used list.
+ KThreadLocalPage* tlp = std::addressof(*it);
+ fully_used_tlp_tree.erase(it);
+ if (tlp->IsAllFree()) {
+ page_to_free = tlp;
+ } else {
+ partially_used_tlp_tree.insert(*tlp);
+ }
+ } else {
+ // Release the region.
+ it->Release(addr);
+
+ // Handle the all-free case.
+ KThreadLocalPage* tlp = std::addressof(*it);
+ if (tlp->IsAllFree()) {
+ partially_used_tlp_tree.erase(it);
+ page_to_free = tlp;
+ }
+ }
+ }
+
+ // If we should free the page it was in, do so.
+ if (page_to_free != nullptr) {
+ page_to_free->Finalize();
- // Something has gone very wrong if we're freeing a region
- // with no actual page available.
- ASSERT(iter != tls_pages.cend());
+ KThreadLocalPage::Free(kernel, page_to_free);
+ }
- iter->ReleaseSlot(tls_address);
+ return ResultSuccess;
}
void KProcess::LoadModule(CodeSet code_set, VAddr base_addr) {
diff --git a/src/core/hle/kernel/k_process.h b/src/core/hle/kernel/k_process.h
index cf1b67428..5ed0f2d83 100644
--- a/src/core/hle/kernel/k_process.h
+++ b/src/core/hle/kernel/k_process.h
@@ -15,6 +15,7 @@
#include "core/hle/kernel/k_condition_variable.h"
#include "core/hle/kernel/k_handle_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"
#include "core/hle/kernel/process_capability.h"
#include "core/hle/kernel/slab_helpers.h"
@@ -362,10 +363,10 @@ public:
// Thread-local storage management
// Marks the next available region as used and returns the address of the slot.
- [[nodiscard]] VAddr CreateTLSRegion();
+ [[nodiscard]] ResultCode CreateThreadLocalRegion(VAddr* out);
// Frees a used TLS slot identified by the given address
- void FreeTLSRegion(VAddr tls_address);
+ ResultCode DeleteThreadLocalRegion(VAddr addr);
private:
void PinThread(s32 core_id, KThread* thread) {
@@ -413,13 +414,6 @@ private:
/// The ideal CPU core for this process, threads are scheduled on this core by default.
u8 ideal_core = 0;
- /// The Thread Local Storage area is allocated as processes create threads,
- /// each TLS area is 0x200 bytes, so one page (0x1000) is split up in 8 parts, and each part
- /// holds the TLS for a specific thread. This vector contains which parts are in use for each
- /// page as a bitmask.
- /// This vector will grow as more pages are allocated for new threads.
- std::vector<TLSPage> tls_pages;
-
/// Contains the parsed process capability descriptors.
ProcessCapabilities capabilities;
@@ -482,6 +476,12 @@ private:
KThread* exception_thread{};
KLightLock state_lock;
+
+ using TLPTree =
+ Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>;
+ using TLPIterator = TLPTree::iterator;
+ TLPTree fully_used_tlp_tree;
+ TLPTree partially_used_tlp_tree;
};
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_server_port.h b/src/core/hle/kernel/k_server_port.h
index 6302d5e61..2185736be 100644
--- a/src/core/hle/kernel/k_server_port.h
+++ b/src/core/hle/kernel/k_server_port.h
@@ -30,11 +30,11 @@ public:
/// Whether or not this server port has an HLE handler available.
bool HasSessionRequestHandler() const {
- return session_handler != nullptr;
+ return !session_handler.expired();
}
/// Gets the HLE handler for this port.
- SessionRequestHandlerPtr GetSessionRequestHandler() const {
+ SessionRequestHandlerWeakPtr GetSessionRequestHandler() const {
return session_handler;
}
@@ -42,7 +42,7 @@ public:
* Sets the HLE handler template for the port. ServerSessions crated by connecting to this port
* will inherit a reference to this handler.
*/
- void SetSessionHandler(SessionRequestHandlerPtr&& handler) {
+ void SetSessionHandler(SessionRequestHandlerWeakPtr&& handler) {
session_handler = std::move(handler);
}
@@ -66,7 +66,7 @@ private:
void CleanupSessions();
SessionList session_list;
- SessionRequestHandlerPtr session_handler;
+ SessionRequestHandlerWeakPtr session_handler;
KPort* parent{};
};
diff --git a/src/core/hle/kernel/k_server_session.cpp b/src/core/hle/kernel/k_server_session.cpp
index 4d94eb9cf..30c56ff29 100644
--- a/src/core/hle/kernel/k_server_session.cpp
+++ b/src/core/hle/kernel/k_server_session.cpp
@@ -27,10 +27,7 @@ namespace Kernel {
KServerSession::KServerSession(KernelCore& kernel_) : KSynchronizationObject{kernel_} {}
-KServerSession::~KServerSession() {
- // Ensure that the global list tracking server sessions does not hold on to a reference.
- kernel.UnregisterServerSession(this);
-}
+KServerSession::~KServerSession() = default;
void KServerSession::Initialize(KSession* parent_session_, std::string&& name_,
std::shared_ptr<SessionRequestManager> manager_) {
@@ -49,6 +46,9 @@ void KServerSession::Destroy() {
parent->OnServerClosed();
parent->Close();
+
+ // Release host emulation members.
+ manager.reset();
}
void KServerSession::OnClientClosed() {
@@ -98,7 +98,12 @@ ResultCode KServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& co
UNREACHABLE();
return ResultSuccess; // Ignore error if asserts are off
}
- return manager->DomainHandler(object_id - 1)->HandleSyncRequest(*this, context);
+ if (auto strong_ptr = manager->DomainHandler(object_id - 1).lock()) {
+ return strong_ptr->HandleSyncRequest(*this, context);
+ } else {
+ UNREACHABLE();
+ return ResultSuccess;
+ }
case IPC::DomainMessageHeader::CommandType::CloseVirtualHandle: {
LOG_DEBUG(IPC, "CloseVirtualHandle, object_id=0x{:08X}", object_id);
diff --git a/src/core/hle/kernel/k_slab_heap.h b/src/core/hle/kernel/k_slab_heap.h
index 05c0bec9c..5690cc757 100644
--- a/src/core/hle/kernel/k_slab_heap.h
+++ b/src/core/hle/kernel/k_slab_heap.h
@@ -16,39 +16,34 @@ class KernelCore;
namespace impl {
-class KSlabHeapImpl final {
-public:
+class KSlabHeapImpl {
YUZU_NON_COPYABLE(KSlabHeapImpl);
YUZU_NON_MOVEABLE(KSlabHeapImpl);
+public:
struct Node {
Node* next{};
};
+public:
constexpr KSlabHeapImpl() = default;
- constexpr ~KSlabHeapImpl() = default;
- void Initialize(std::size_t size) {
- ASSERT(head == nullptr);
- obj_size = size;
- }
-
- constexpr std::size_t GetObjectSize() const {
- return obj_size;
+ void Initialize() {
+ ASSERT(m_head == nullptr);
}
Node* GetHead() const {
- return head;
+ return m_head;
}
void* Allocate() {
- Node* ret = head.load();
+ Node* ret = m_head.load();
do {
if (ret == nullptr) {
break;
}
- } while (!head.compare_exchange_weak(ret, ret->next));
+ } while (!m_head.compare_exchange_weak(ret, ret->next));
return ret;
}
@@ -56,170 +51,157 @@ public:
void Free(void* obj) {
Node* node = static_cast<Node*>(obj);
- Node* cur_head = head.load();
+ Node* cur_head = m_head.load();
do {
node->next = cur_head;
- } while (!head.compare_exchange_weak(cur_head, node));
+ } while (!m_head.compare_exchange_weak(cur_head, node));
}
private:
- std::atomic<Node*> head{};
- std::size_t obj_size{};
+ std::atomic<Node*> m_head{};
};
} // namespace impl
-class KSlabHeapBase {
-public:
+template <bool SupportDynamicExpansion>
+class KSlabHeapBase : protected impl::KSlabHeapImpl {
YUZU_NON_COPYABLE(KSlabHeapBase);
YUZU_NON_MOVEABLE(KSlabHeapBase);
- constexpr KSlabHeapBase() = default;
- constexpr ~KSlabHeapBase() = default;
+private:
+ size_t m_obj_size{};
+ uintptr_t m_peak{};
+ uintptr_t m_start{};
+ uintptr_t m_end{};
- constexpr bool Contains(uintptr_t addr) const {
- return start <= addr && addr < end;
- }
+private:
+ void UpdatePeakImpl(uintptr_t obj) {
+ static_assert(std::atomic_ref<uintptr_t>::is_always_lock_free);
+ std::atomic_ref<uintptr_t> peak_ref(m_peak);
- constexpr std::size_t GetSlabHeapSize() const {
- return (end - start) / GetObjectSize();
+ const uintptr_t alloc_peak = obj + this->GetObjectSize();
+ uintptr_t cur_peak = m_peak;
+ do {
+ if (alloc_peak <= cur_peak) {
+ break;
+ }
+ } while (!peak_ref.compare_exchange_strong(cur_peak, alloc_peak));
}
- constexpr std::size_t GetObjectSize() const {
- return impl.GetObjectSize();
- }
+public:
+ constexpr KSlabHeapBase() = default;
- constexpr uintptr_t GetSlabHeapAddress() const {
- return start;
+ bool Contains(uintptr_t address) const {
+ return m_start <= address && address < m_end;
}
- std::size_t GetObjectIndexImpl(const void* obj) const {
- return (reinterpret_cast<uintptr_t>(obj) - start) / GetObjectSize();
+ void Initialize(size_t obj_size, void* memory, size_t memory_size) {
+ // Ensure we don't initialize a slab using null memory.
+ ASSERT(memory != nullptr);
+
+ // Set our object size.
+ m_obj_size = obj_size;
+
+ // Initialize the base allocator.
+ KSlabHeapImpl::Initialize();
+
+ // Set our tracking variables.
+ const size_t num_obj = (memory_size / obj_size);
+ m_start = reinterpret_cast<uintptr_t>(memory);
+ m_end = m_start + num_obj * obj_size;
+ m_peak = m_start;
+
+ // Free the objects.
+ u8* cur = reinterpret_cast<u8*>(m_end);
+
+ for (size_t i = 0; i < num_obj; i++) {
+ cur -= obj_size;
+ KSlabHeapImpl::Free(cur);
+ }
}
- std::size_t GetPeakIndex() const {
- return GetObjectIndexImpl(reinterpret_cast<const void*>(peak));
+ size_t GetSlabHeapSize() const {
+ return (m_end - m_start) / this->GetObjectSize();
}
- void* AllocateImpl() {
- return impl.Allocate();
+ size_t GetObjectSize() const {
+ return m_obj_size;
}
- void FreeImpl(void* obj) {
- // Don't allow freeing an object that wasn't allocated from this heap
- ASSERT(Contains(reinterpret_cast<uintptr_t>(obj)));
+ void* Allocate() {
+ void* obj = KSlabHeapImpl::Allocate();
- impl.Free(obj);
+ return obj;
}
- void InitializeImpl(std::size_t obj_size, void* memory, std::size_t memory_size) {
- // Ensure we don't initialize a slab using null memory
- ASSERT(memory != nullptr);
-
- // Initialize the base allocator
- impl.Initialize(obj_size);
+ void Free(void* obj) {
+ // Don't allow freeing an object that wasn't allocated from this heap.
+ const bool contained = this->Contains(reinterpret_cast<uintptr_t>(obj));
+ ASSERT(contained);
+ KSlabHeapImpl::Free(obj);
+ }
- // Set our tracking variables
- const std::size_t num_obj = (memory_size / obj_size);
- start = reinterpret_cast<uintptr_t>(memory);
- end = start + num_obj * obj_size;
- peak = start;
+ size_t GetObjectIndex(const void* obj) const {
+ if constexpr (SupportDynamicExpansion) {
+ if (!this->Contains(reinterpret_cast<uintptr_t>(obj))) {
+ return std::numeric_limits<size_t>::max();
+ }
+ }
- // Free the objects
- u8* cur = reinterpret_cast<u8*>(end);
+ return (reinterpret_cast<uintptr_t>(obj) - m_start) / this->GetObjectSize();
+ }
- for (std::size_t i{}; i < num_obj; i++) {
- cur -= obj_size;
- impl.Free(cur);
- }
+ size_t GetPeakIndex() const {
+ return this->GetObjectIndex(reinterpret_cast<const void*>(m_peak));
}
-private:
- using Impl = impl::KSlabHeapImpl;
+ uintptr_t GetSlabHeapAddress() const {
+ return m_start;
+ }
- Impl impl;
- uintptr_t peak{};
- uintptr_t start{};
- uintptr_t end{};
+ size_t GetNumRemaining() const {
+ // Only calculate the number of remaining objects under debug configuration.
+ return 0;
+ }
};
template <typename T>
-class KSlabHeap final : public KSlabHeapBase {
-public:
- enum class AllocationType {
- Host,
- Guest,
- };
+class KSlabHeap final : public KSlabHeapBase<false> {
+private:
+ using BaseHeap = KSlabHeapBase<false>;
- explicit constexpr KSlabHeap(AllocationType allocation_type_ = AllocationType::Host)
- : KSlabHeapBase(), allocation_type{allocation_type_} {}
+public:
+ constexpr KSlabHeap() = default;
- void Initialize(void* memory, std::size_t memory_size) {
- if (allocation_type == AllocationType::Guest) {
- InitializeImpl(sizeof(T), memory, memory_size);
- }
+ void Initialize(void* memory, size_t memory_size) {
+ BaseHeap::Initialize(sizeof(T), memory, memory_size);
}
T* Allocate() {
- switch (allocation_type) {
- case AllocationType::Host:
- // Fallback for cases where we do not yet support allocating guest memory from the slab
- // heap, such as for kernel memory regions.
- return new T;
-
- case AllocationType::Guest:
- T* obj = static_cast<T*>(AllocateImpl());
- if (obj != nullptr) {
- new (obj) T();
- }
- return obj;
- }
+ T* obj = static_cast<T*>(BaseHeap::Allocate());
- UNREACHABLE_MSG("Invalid AllocationType {}", allocation_type);
- return nullptr;
+ if (obj != nullptr) [[likely]] {
+ std::construct_at(obj);
+ }
+ return obj;
}
- T* AllocateWithKernel(KernelCore& kernel) {
- switch (allocation_type) {
- case AllocationType::Host:
- // Fallback for cases where we do not yet support allocating guest memory from the slab
- // heap, such as for kernel memory regions.
- return new T(kernel);
+ T* Allocate(KernelCore& kernel) {
+ T* obj = static_cast<T*>(BaseHeap::Allocate());
- case AllocationType::Guest:
- T* obj = static_cast<T*>(AllocateImpl());
- if (obj != nullptr) {
- new (obj) T(kernel);
- }
- return obj;
+ if (obj != nullptr) [[likely]] {
+ std::construct_at(obj, kernel);
}
-
- UNREACHABLE_MSG("Invalid AllocationType {}", allocation_type);
- return nullptr;
+ return obj;
}
void Free(T* obj) {
- switch (allocation_type) {
- case AllocationType::Host:
- // Fallback for cases where we do not yet support allocating guest memory from the slab
- // heap, such as for kernel memory regions.
- delete obj;
- return;
-
- case AllocationType::Guest:
- FreeImpl(obj);
- return;
- }
-
- UNREACHABLE_MSG("Invalid AllocationType {}", allocation_type);
+ BaseHeap::Free(obj);
}
- constexpr std::size_t GetObjectIndex(const T* obj) const {
- return GetObjectIndexImpl(obj);
+ size_t GetObjectIndex(const T* obj) const {
+ return BaseHeap::GetObjectIndex(obj);
}
-
-private:
- const AllocationType allocation_type;
};
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index de3ffe0c7..ba7f72c6b 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -210,7 +210,7 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
if (owner != nullptr) {
// Setup the TLS, if needed.
if (type == ThreadType::User) {
- tls_address = owner->CreateTLSRegion();
+ R_TRY(owner->CreateThreadLocalRegion(std::addressof(tls_address)));
}
parent = owner;
@@ -305,7 +305,7 @@ void KThread::Finalize() {
// If the thread has a local region, delete it.
if (tls_address != 0) {
- parent->FreeTLSRegion(tls_address);
+ ASSERT(parent->DeleteThreadLocalRegion(tls_address).IsSuccess());
}
// Release any waiters.
@@ -326,6 +326,9 @@ void KThread::Finalize() {
}
}
+ // Release host emulation members.
+ host_context.reset();
+
// Perform inherited finalization.
KSynchronizationObject::Finalize();
}
diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index d058db62c..f46db7298 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -656,7 +656,7 @@ private:
static_assert(sizeof(SyncObjectBuffer::sync_objects) == sizeof(SyncObjectBuffer::handles));
struct ConditionVariableComparator {
- struct LightCompareType {
+ struct RedBlackKeyType {
u64 cv_key{};
s32 priority{};
@@ -672,8 +672,8 @@ private:
template <typename T>
requires(
std::same_as<T, KThread> ||
- std::same_as<T, LightCompareType>) static constexpr int Compare(const T& lhs,
- const KThread& rhs) {
+ std::same_as<T, RedBlackKeyType>) static constexpr int Compare(const T& lhs,
+ const KThread& rhs) {
const u64 l_key = lhs.GetConditionVariableKey();
const u64 r_key = rhs.GetConditionVariableKey();
diff --git a/src/core/hle/kernel/k_thread_local_page.cpp b/src/core/hle/kernel/k_thread_local_page.cpp
new file mode 100644
index 000000000..17b233fca
--- /dev/null
+++ b/src/core/hle/kernel/k_thread_local_page.cpp
@@ -0,0 +1,66 @@
+// Copyright 2022 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_memory_block.h"
+#include "core/hle/kernel/k_page_table.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_thread_local_page.h"
+#include "core/hle/kernel/kernel.h"
+
+namespace Kernel {
+
+ResultCode KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
+ // Set that this process owns us.
+ m_owner = process;
+ m_kernel = &kernel;
+
+ // Allocate a new page.
+ KPageBuffer* page_buf = KPageBuffer::Allocate(kernel);
+ R_UNLESS(page_buf != nullptr, ResultOutOfMemory);
+ auto page_buf_guard = SCOPE_GUARD({ KPageBuffer::Free(kernel, page_buf); });
+
+ // Map the address in.
+ const auto phys_addr = kernel.System().DeviceMemory().GetPhysicalAddr(page_buf);
+ R_TRY(m_owner->PageTable().MapPages(std::addressof(m_virt_addr), 1, PageSize, phys_addr,
+ KMemoryState::ThreadLocal,
+ KMemoryPermission::UserReadWrite));
+
+ // We succeeded.
+ page_buf_guard.Cancel();
+
+ return ResultSuccess;
+}
+
+ResultCode KThreadLocalPage::Finalize() {
+ // Get the physical address of the page.
+ const PAddr phys_addr = m_owner->PageTable().GetPhysicalAddr(m_virt_addr);
+ ASSERT(phys_addr);
+
+ // Unmap the page.
+ R_TRY(m_owner->PageTable().UnmapPages(this->GetAddress(), 1, KMemoryState::ThreadLocal));
+
+ // Free the page.
+ KPageBuffer::Free(*m_kernel, KPageBuffer::FromPhysicalAddress(m_kernel->System(), phys_addr));
+
+ return ResultSuccess;
+}
+
+VAddr KThreadLocalPage::Reserve() {
+ for (size_t i = 0; i < m_is_region_free.size(); i++) {
+ if (m_is_region_free[i]) {
+ m_is_region_free[i] = false;
+ return this->GetRegionAddress(i);
+ }
+ }
+
+ return 0;
+}
+
+void KThreadLocalPage::Release(VAddr addr) {
+ m_is_region_free[this->GetRegionIndex(addr)] = true;
+}
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_thread_local_page.h b/src/core/hle/kernel/k_thread_local_page.h
new file mode 100644
index 000000000..658c67e94
--- /dev/null
+++ b/src/core/hle/kernel/k_thread_local_page.h
@@ -0,0 +1,112 @@
+// Copyright 2022 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <algorithm>
+#include <array>
+
+#include "common/alignment.h"
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "common/intrusive_red_black_tree.h"
+#include "core/hle/kernel/k_page_buffer.h"
+#include "core/hle/kernel/memory_types.h"
+#include "core/hle/kernel/slab_helpers.h"
+#include "core/hle/result.h"
+
+namespace Kernel {
+
+class KernelCore;
+class KProcess;
+
+class KThreadLocalPage final : public Common::IntrusiveRedBlackTreeBaseNode<KThreadLocalPage>,
+ public KSlabAllocated<KThreadLocalPage> {
+public:
+ static constexpr size_t RegionsPerPage = PageSize / Svc::ThreadLocalRegionSize;
+ static_assert(RegionsPerPage > 0);
+
+public:
+ constexpr explicit KThreadLocalPage(VAddr addr = {}) : m_virt_addr(addr) {
+ m_is_region_free.fill(true);
+ }
+
+ constexpr VAddr GetAddress() const {
+ return m_virt_addr;
+ }
+
+ ResultCode Initialize(KernelCore& kernel, KProcess* process);
+ ResultCode Finalize();
+
+ VAddr Reserve();
+ void Release(VAddr addr);
+
+ bool IsAllUsed() const {
+ return std::ranges::all_of(m_is_region_free.begin(), m_is_region_free.end(),
+ [](bool is_free) { return !is_free; });
+ }
+
+ bool IsAllFree() const {
+ return std::ranges::all_of(m_is_region_free.begin(), m_is_region_free.end(),
+ [](bool is_free) { return is_free; });
+ }
+
+ bool IsAnyUsed() const {
+ return !this->IsAllFree();
+ }
+
+ bool IsAnyFree() const {
+ return !this->IsAllUsed();
+ }
+
+public:
+ using RedBlackKeyType = VAddr;
+
+ static constexpr RedBlackKeyType GetRedBlackKey(const RedBlackKeyType& v) {
+ return v;
+ }
+ static constexpr RedBlackKeyType GetRedBlackKey(const KThreadLocalPage& v) {
+ return v.GetAddress();
+ }
+
+ template <typename T>
+ requires(std::same_as<T, KThreadLocalPage> ||
+ std::same_as<T, RedBlackKeyType>) static constexpr int Compare(const T& lhs,
+ const KThreadLocalPage&
+ rhs) {
+ const VAddr lval = GetRedBlackKey(lhs);
+ const VAddr rval = GetRedBlackKey(rhs);
+
+ if (lval < rval) {
+ return -1;
+ } else if (lval == rval) {
+ return 0;
+ } else {
+ return 1;
+ }
+ }
+
+private:
+ constexpr VAddr GetRegionAddress(size_t i) const {
+ return this->GetAddress() + i * Svc::ThreadLocalRegionSize;
+ }
+
+ constexpr bool Contains(VAddr addr) const {
+ return this->GetAddress() <= addr && addr < this->GetAddress() + PageSize;
+ }
+
+ constexpr size_t GetRegionIndex(VAddr addr) const {
+ ASSERT(Common::IsAligned(addr, Svc::ThreadLocalRegionSize));
+ ASSERT(this->Contains(addr));
+ return (addr - this->GetAddress()) / Svc::ThreadLocalRegionSize;
+ }
+
+private:
+ VAddr m_virt_addr{};
+ KProcess* m_owner{};
+ KernelCore* m_kernel{};
+ std::array<bool, RegionsPerPage> m_is_region_free{};
+};
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 71bd466cf..f9828bc43 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -52,7 +52,7 @@ namespace Kernel {
struct KernelCore::Impl {
explicit Impl(Core::System& system_, KernelCore& kernel_)
- : time_manager{system_}, object_list_container{kernel_},
+ : time_manager{system_},
service_threads_manager{1, "yuzu:ServiceThreadsManager"}, system{system_} {}
void SetMulticore(bool is_multi) {
@@ -60,6 +60,7 @@ struct KernelCore::Impl {
}
void Initialize(KernelCore& kernel) {
+ global_object_list_container = std::make_unique<KAutoObjectWithListContainer>(kernel);
global_scheduler_context = std::make_unique<Kernel::GlobalSchedulerContext>(kernel);
global_handle_table = std::make_unique<Kernel::KHandleTable>(kernel);
global_handle_table->Initialize(KHandleTable::MaxTableSize);
@@ -76,7 +77,7 @@ struct KernelCore::Impl {
// Initialize kernel memory and resources.
InitializeSystemResourceLimit(kernel, system.CoreTiming());
InitializeMemoryLayout();
- InitializePageSlab();
+ Init::InitializeKPageBufferSlabHeap(system);
InitializeSchedulers();
InitializeSuspendThreads();
InitializePreemption(kernel);
@@ -107,19 +108,6 @@ struct KernelCore::Impl {
for (auto* server_port : server_ports_) {
server_port->Close();
}
- // Close all open server sessions.
- std::unordered_set<KServerSession*> server_sessions_;
- {
- std::lock_guard lk(server_sessions_lock);
- server_sessions_ = server_sessions;
- server_sessions.clear();
- }
- for (auto* server_session : server_sessions_) {
- server_session->Close();
- }
-
- // Ensure that the object list container is finalized and properly shutdown.
- object_list_container.Finalize();
// Ensures all service threads gracefully shutdown.
ClearServiceThreads();
@@ -194,11 +182,15 @@ struct KernelCore::Impl {
{
std::lock_guard lk(registered_objects_lock);
if (registered_objects.size()) {
- LOG_WARNING(Kernel, "{} kernel objects were dangling on shutdown!",
- registered_objects.size());
+ LOG_DEBUG(Kernel, "{} kernel objects were dangling on shutdown!",
+ registered_objects.size());
registered_objects.clear();
}
}
+
+ // Ensure that the object list container is finalized and properly shutdown.
+ global_object_list_container->Finalize();
+ global_object_list_container.reset();
}
void InitializePhysicalCores() {
@@ -291,15 +283,16 @@ struct KernelCore::Impl {
// Gets the dummy KThread for the caller, allocating a new one if this is the first time
KThread* GetHostDummyThread() {
- auto make_thread = [this]() {
- KThread* thread = KThread::Create(system.Kernel());
+ auto initialize = [this](KThread* thread) {
ASSERT(KThread::InitializeDummyThread(thread).IsSuccess());
thread->SetName(fmt::format("DummyThread:{}", GetHostThreadId()));
return thread;
};
- thread_local KThread* saved_thread = make_thread();
- return saved_thread;
+ thread_local auto raw_thread = KThread(system.Kernel());
+ thread_local auto thread = initialize(&raw_thread);
+
+ return thread;
}
/// Registers a CPU core thread by allocating a host thread ID for it
@@ -660,22 +653,6 @@ struct KernelCore::Impl {
time_phys_addr, time_size, "Time:SharedMemory");
}
- void InitializePageSlab() {
- // Allocate slab heaps
- user_slab_heap_pages =
- std::make_unique<KSlabHeap<Page>>(KSlabHeap<Page>::AllocationType::Guest);
-
- // TODO(ameerj): This should be derived, not hardcoded within the kernel
- constexpr u64 user_slab_heap_size{0x3de000};
- // Reserve slab heaps
- ASSERT(
- system_resource_limit->Reserve(LimitableResource::PhysicalMemory, user_slab_heap_size));
- // Initialize slab heap
- user_slab_heap_pages->Initialize(
- system.DeviceMemory().GetPointer(Core::DramMemoryMap::SlabHeapBase),
- user_slab_heap_size);
- }
-
KClientPort* CreateNamedServicePort(std::string name) {
auto search = service_interface_factory.find(name);
if (search == service_interface_factory.end()) {
@@ -713,7 +690,6 @@ struct KernelCore::Impl {
}
std::mutex server_ports_lock;
- std::mutex server_sessions_lock;
std::mutex registered_objects_lock;
std::mutex registered_in_use_objects_lock;
@@ -737,14 +713,13 @@ struct KernelCore::Impl {
// stores all the objects in place.
std::unique_ptr<KHandleTable> global_handle_table;
- KAutoObjectWithListContainer object_list_container;
+ std::unique_ptr<KAutoObjectWithListContainer> global_object_list_container;
/// Map of named ports managed by the kernel, which can be retrieved using
/// the ConnectToPort SVC.
std::unordered_map<std::string, ServiceInterfaceFactory> service_interface_factory;
NamedPortTable named_ports;
std::unordered_set<KServerPort*> server_ports;
- std::unordered_set<KServerSession*> server_sessions;
std::unordered_set<KAutoObject*> registered_objects;
std::unordered_set<KAutoObject*> registered_in_use_objects;
@@ -756,7 +731,6 @@ struct KernelCore::Impl {
// Kernel memory management
std::unique_ptr<KMemoryManager> memory_manager;
- std::unique_ptr<KSlabHeap<Page>> user_slab_heap_pages;
// Shared memory for services
Kernel::KSharedMemory* hid_shared_mem{};
@@ -915,11 +889,11 @@ const Core::ExclusiveMonitor& KernelCore::GetExclusiveMonitor() const {
}
KAutoObjectWithListContainer& KernelCore::ObjectListContainer() {
- return impl->object_list_container;
+ return *impl->global_object_list_container;
}
const KAutoObjectWithListContainer& KernelCore::ObjectListContainer() const {
- return impl->object_list_container;
+ return *impl->global_object_list_container;
}
void KernelCore::InvalidateAllInstructionCaches() {
@@ -949,16 +923,6 @@ KClientPort* KernelCore::CreateNamedServicePort(std::string name) {
return impl->CreateNamedServicePort(std::move(name));
}
-void KernelCore::RegisterServerSession(KServerSession* server_session) {
- std::lock_guard lk(impl->server_sessions_lock);
- impl->server_sessions.insert(server_session);
-}
-
-void KernelCore::UnregisterServerSession(KServerSession* server_session) {
- std::lock_guard lk(impl->server_sessions_lock);
- impl->server_sessions.erase(server_session);
-}
-
void KernelCore::RegisterKernelObject(KAutoObject* object) {
std::lock_guard lk(impl->registered_objects_lock);
impl->registered_objects.insert(object);
@@ -1031,14 +995,6 @@ const KMemoryManager& KernelCore::MemoryManager() const {
return *impl->memory_manager;
}
-KSlabHeap<Page>& KernelCore::GetUserSlabHeapPages() {
- return *impl->user_slab_heap_pages;
-}
-
-const KSlabHeap<Page>& KernelCore::GetUserSlabHeapPages() const {
- return *impl->user_slab_heap_pages;
-}
-
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 c1254b18d..7087bbda6 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -43,6 +43,7 @@ class KHandleTable;
class KLinkedListNode;
class KMemoryLayout;
class KMemoryManager;
+class KPageBuffer;
class KPort;
class KProcess;
class KResourceLimit;
@@ -52,6 +53,7 @@ class KSession;
class KSharedMemory;
class KSharedMemoryInfo;
class KThread;
+class KThreadLocalPage;
class KTransferMemory;
class KWorkerTaskManager;
class KWritableEvent;
@@ -194,14 +196,6 @@ public:
/// Opens a port to a service previously registered with RegisterNamedService.
KClientPort* CreateNamedServicePort(std::string name);
- /// Registers a server session with the gobal emulation state, to be freed on shutdown. This is
- /// necessary because we do not emulate processes for HLE sessions.
- void RegisterServerSession(KServerSession* server_session);
-
- /// Unregisters a server session previously registered with RegisterServerSession when it was
- /// destroyed during the current emulation session.
- void UnregisterServerSession(KServerSession* server_session);
-
/// Registers all kernel objects with the global emulation state, this is purely for tracking
/// leaks after emulation has been shutdown.
void RegisterKernelObject(KAutoObject* object);
@@ -239,12 +233,6 @@ public:
/// Gets the virtual memory manager for the kernel.
const KMemoryManager& MemoryManager() const;
- /// Gets the slab heap allocated for user space pages.
- KSlabHeap<Page>& GetUserSlabHeapPages();
-
- /// Gets the slab heap allocated for user space pages.
- const KSlabHeap<Page>& GetUserSlabHeapPages() const;
-
/// Gets the shared memory object for HID services.
Kernel::KSharedMemory& GetHidSharedMem();
@@ -336,6 +324,10 @@ public:
return slab_heap_container->writeable_event;
} else if constexpr (std::is_same_v<T, KCodeMemory>) {
return slab_heap_container->code_memory;
+ } else if constexpr (std::is_same_v<T, KPageBuffer>) {
+ return slab_heap_container->page_buffer;
+ } else if constexpr (std::is_same_v<T, KThreadLocalPage>) {
+ return slab_heap_container->thread_local_page;
}
}
@@ -397,6 +389,8 @@ private:
KSlabHeap<KTransferMemory> transfer_memory;
KSlabHeap<KWritableEvent> writeable_event;
KSlabHeap<KCodeMemory> code_memory;
+ KSlabHeap<KPageBuffer> page_buffer;
+ KSlabHeap<KThreadLocalPage> thread_local_page;
};
std::unique_ptr<SlabHeapContainer> slab_heap_container;
diff --git a/src/core/hle/kernel/service_thread.cpp b/src/core/hle/kernel/service_thread.cpp
index 4eb3a5988..52d25b837 100644
--- a/src/core/hle/kernel/service_thread.cpp
+++ b/src/core/hle/kernel/service_thread.cpp
@@ -49,12 +49,9 @@ ServiceThread::Impl::Impl(KernelCore& kernel, std::size_t num_threads, const std
return;
}
+ // Allocate a dummy guest thread for this host thread.
kernel.RegisterHostThread();
- // Ensure the dummy thread allocated for this host thread is closed on exit.
- auto* dummy_thread = kernel.GetCurrentEmuThread();
- SCOPE_EXIT({ dummy_thread->Close(); });
-
while (true) {
std::function<void()> task;
diff --git a/src/core/hle/kernel/slab_helpers.h b/src/core/hle/kernel/slab_helpers.h
index f1c11256e..dc1e48fc9 100644
--- a/src/core/hle/kernel/slab_helpers.h
+++ b/src/core/hle/kernel/slab_helpers.h
@@ -59,7 +59,7 @@ class KAutoObjectWithSlabHeapAndContainer : public Base {
private:
static Derived* Allocate(KernelCore& kernel) {
- return kernel.SlabHeap<Derived>().AllocateWithKernel(kernel);
+ return kernel.SlabHeap<Derived>().Allocate(kernel);
}
static void Free(KernelCore& kernel, Derived* obj) {
diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h
index 365e22e4e..b2e9ec092 100644
--- a/src/core/hle/kernel/svc_types.h
+++ b/src/core/hle/kernel/svc_types.h
@@ -96,4 +96,6 @@ constexpr inline s32 IdealCoreNoUpdate = -3;
constexpr inline s32 LowestThreadPriority = 63;
constexpr inline s32 HighestThreadPriority = 0;
+constexpr inline size_t ThreadLocalRegionSize = 0x200;
+
} // namespace Kernel::Svc