diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index e7fe675cbf..055bea6419 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -243,6 +243,8 @@ add_library(core STATIC
hle/kernel/k_server_session.h
hle/kernel/k_session.cpp
hle/kernel/k_session.h
+ hle/kernel/k_session_request.cpp
+ hle/kernel/k_session_request.h
hle/kernel/k_shared_memory.cpp
hle/kernel/k_shared_memory.h
hle/kernel/k_shared_memory_info.h
diff --git a/src/core/hle/kernel/init/init_slab_setup.cpp b/src/core/hle/kernel/init/init_slab_setup.cpp
index c84d36c8c2..477e4e4075 100644
--- a/src/core/hle/kernel/init/init_slab_setup.cpp
+++ b/src/core/hle/kernel/init/init_slab_setup.cpp
@@ -18,6 +18,7 @@
#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_session_request.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"
@@ -34,6 +35,7 @@ namespace Kernel::Init {
HANDLER(KThread, (SLAB_COUNT(KThread)), ##__VA_ARGS__) \
HANDLER(KEvent, (SLAB_COUNT(KEvent)), ##__VA_ARGS__) \
HANDLER(KPort, (SLAB_COUNT(KPort)), ##__VA_ARGS__) \
+ HANDLER(KSessionRequest, (SLAB_COUNT(KSession) * 2), ##__VA_ARGS__) \
HANDLER(KSharedMemory, (SLAB_COUNT(KSharedMemory)), ##__VA_ARGS__) \
HANDLER(KSharedMemoryInfo, (SLAB_COUNT(KSharedMemory) * 8), ##__VA_ARGS__) \
HANDLER(KTransferMemory, (SLAB_COUNT(KTransferMemory)), ##__VA_ARGS__) \
diff --git a/src/core/hle/kernel/k_client_session.cpp b/src/core/hle/kernel/k_client_session.cpp
index 8892c5b7cb..b4197a8d56 100644
--- a/src/core/hle/kernel/k_client_session.cpp
+++ b/src/core/hle/kernel/k_client_session.cpp
@@ -1,6 +1,7 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
+#include "common/scope_exit.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_client_session.h"
#include "core/hle/kernel/k_server_session.h"
@@ -10,6 +11,8 @@
namespace Kernel {
+static constexpr u32 MessageBufferSize = 0x100;
+
KClientSession::KClientSession(KernelCore& kernel_)
: KAutoObjectWithSlabHeapAndContainer{kernel_} {}
KClientSession::~KClientSession() = default;
@@ -22,8 +25,16 @@ void KClientSession::Destroy() {
void KClientSession::OnServerClosed() {}
Result KClientSession::SendSyncRequest() {
- // Signal the server session that new data is available
- return parent->GetServerSession().OnRequest();
+ // Create a session request.
+ KSessionRequest* request = KSessionRequest::Create(kernel);
+ R_UNLESS(request != nullptr, ResultOutOfResource);
+ SCOPE_EXIT({ request->Close(); });
+
+ // Initialize the request.
+ request->Initialize(nullptr, GetCurrentThread(kernel).GetTLSAddress(), MessageBufferSize);
+
+ // Send the request.
+ return parent->GetServerSession().OnRequest(request);
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_linked_list.h b/src/core/hle/kernel/k_linked_list.h
index 78859ced30..29ebd16b77 100644
--- a/src/core/hle/kernel/k_linked_list.h
+++ b/src/core/hle/kernel/k_linked_list.h
@@ -16,6 +16,7 @@ class KLinkedListNode : public boost::intrusive::list_base_hook<>,
public KSlabAllocated<KLinkedListNode> {
public:
+ explicit KLinkedListNode(KernelCore&) {}
KLinkedListNode() = default;
void Initialize(void* it) {
diff --git a/src/core/hle/kernel/k_page_buffer.h b/src/core/hle/kernel/k_page_buffer.h
index 7e50dc1d18..aef06e2130 100644
--- a/src/core/hle/kernel/k_page_buffer.h
+++ b/src/core/hle/kernel/k_page_buffer.h
@@ -13,6 +13,7 @@ namespace Kernel {
class KPageBuffer final : public KSlabAllocated<KPageBuffer> {
public:
+ explicit KPageBuffer(KernelCore&) {}
KPageBuffer() = default;
static KPageBuffer* FromPhysicalAddress(Core::System& system, PAddr phys_addr);
diff --git a/src/core/hle/kernel/k_server_session.cpp b/src/core/hle/kernel/k_server_session.cpp
index 4252c9adbd..685a2a6e67 100644
--- a/src/core/hle/kernel/k_server_session.cpp
+++ b/src/core/hle/kernel/k_server_session.cpp
@@ -29,8 +29,6 @@ namespace Kernel {
using ThreadQueueImplForKServerSessionRequest = KThreadQueue;
-static constexpr u32 MessageBufferSize = 0x100;
-
KServerSession::KServerSession(KernelCore& kernel_)
: KSynchronizationObject{kernel_}, m_lock{kernel_} {}
@@ -73,7 +71,7 @@ bool KServerSession::IsSignaled() const {
}
// Otherwise, we're signaled if we have a request and aren't handling one.
- return !m_thread_request_list.empty() && m_current_thread_request == nullptr;
+ return !m_request_list.empty() && m_current_request == nullptr;
}
void KServerSession::AppendDomainHandler(SessionRequestHandlerPtr handler) {
@@ -178,7 +176,7 @@ Result KServerSession::CompleteSyncRequest(HLERequestContext& context) {
return result;
}
-Result KServerSession::OnRequest() {
+Result KServerSession::OnRequest(KSessionRequest* request) {
// Create the wait queue.
ThreadQueueImplForKServerSessionRequest wait_queue{kernel};
@@ -198,14 +196,13 @@ Result KServerSession::OnRequest() {
this->QueueSyncRequest(GetCurrentThreadPointer(kernel), memory);
} else {
// Non-HLE request.
- auto* thread{GetCurrentThreadPointer(kernel)};
// Get whether we're empty.
- const bool was_empty = m_thread_request_list.empty();
+ const bool was_empty = m_request_list.empty();
- // Add the thread to the list.
- thread->Open();
- m_thread_request_list.push_back(thread);
+ // Add the request to the list.
+ request->Open();
+ m_request_list.push_back(*request);
// If we were empty, signal.
if (was_empty) {
@@ -213,6 +210,9 @@ Result KServerSession::OnRequest() {
}
}
+ // If we have a request event, this is asynchronous, and we don't need to wait.
+ R_SUCCEED_IF(request->GetEvent() != nullptr);
+
// This is a synchronous request, so we should wait for our request to complete.
GetCurrentThread(kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
GetCurrentThread(kernel).BeginWait(&wait_queue);
@@ -223,32 +223,32 @@ Result KServerSession::OnRequest() {
Result KServerSession::SendReply() {
// Lock the session.
- KScopedLightLock lk(m_lock);
+ KScopedLightLock lk{m_lock};
// Get the request.
- KThread* client_thread;
+ KSessionRequest* request;
{
KScopedSchedulerLock sl{kernel};
// Get the current request.
- client_thread = m_current_thread_request;
- R_UNLESS(client_thread != nullptr, ResultInvalidState);
+ request = m_current_request;
+ R_UNLESS(request != nullptr, ResultInvalidState);
// Clear the current request, since we're processing it.
- m_current_thread_request = nullptr;
- if (!m_thread_request_list.empty()) {
+ m_current_request = nullptr;
+ if (!m_request_list.empty()) {
this->NotifyAvailable();
}
}
// Close reference to the request once we're done processing it.
- SCOPE_EXIT({ client_thread->Close(); });
+ SCOPE_EXIT({ request->Close(); });
// Extract relevant information from the request.
- // const uintptr_t client_message = request->GetAddress();
- // const size_t client_buffer_size = request->GetSize();
- // KThread *client_thread = request->GetThread();
- // KEvent *event = request->GetEvent();
+ const uintptr_t client_message = request->GetAddress();
+ const size_t client_buffer_size = request->GetSize();
+ KThread* client_thread = request->GetThread();
+ KEvent* event = request->GetEvent();
// Check whether we're closed.
const bool closed = (client_thread == nullptr || parent->IsClientClosed());
@@ -261,8 +261,8 @@ Result KServerSession::SendReply() {
UNIMPLEMENTED_IF(server_thread->GetOwnerProcess() != client_thread->GetOwnerProcess());
auto* src_msg_buffer = memory.GetPointer(server_thread->GetTLSAddress());
- auto* dst_msg_buffer = memory.GetPointer(client_thread->GetTLSAddress());
- std::memcpy(dst_msg_buffer, src_msg_buffer, MessageBufferSize);
+ auto* dst_msg_buffer = memory.GetPointer(client_message);
+ std::memcpy(dst_msg_buffer, src_msg_buffer, client_buffer_size);
} else {
result = ResultSessionClosed;
}
@@ -278,11 +278,30 @@ Result KServerSession::SendReply() {
// If there's a client thread, update it.
if (client_thread != nullptr) {
- // End the client thread's wait.
- KScopedSchedulerLock sl{kernel};
+ if (event != nullptr) {
+ // // Get the client process/page table.
+ // KProcess *client_process = client_thread->GetOwnerProcess();
+ // KPageTable *client_page_table = &client_process->PageTable();
- if (!client_thread->IsTerminationRequested()) {
- client_thread->EndWait(client_result);
+ // // If we need to, reply with an async error.
+ // if (R_FAILED(client_result)) {
+ // ReplyAsyncError(client_process, client_message, client_buffer_size,
+ // client_result);
+ // }
+
+ // // Unlock the client buffer.
+ // // NOTE: Nintendo does not check the result of this.
+ // client_page_table->UnlockForIpcUserBuffer(client_message, client_buffer_size);
+
+ // Signal the event.
+ event->Signal();
+ } else {
+ // End the client thread's wait.
+ KScopedSchedulerLock sl{kernel};
+
+ if (!client_thread->IsTerminationRequested()) {
+ client_thread->EndWait(client_result);
+ }
}
}
@@ -291,10 +310,10 @@ Result KServerSession::SendReply() {
Result KServerSession::ReceiveRequest() {
// Lock the session.
- KScopedLightLock lk(m_lock);
+ KScopedLightLock lk{m_lock};
// Get the request and client thread.
- // KSessionRequest *request;
+ KSessionRequest* request;
KThread* client_thread;
{
@@ -304,35 +323,41 @@ Result KServerSession::ReceiveRequest() {
R_UNLESS(!parent->IsClientClosed(), ResultSessionClosed);
// Ensure we aren't already servicing a request.
- R_UNLESS(m_current_thread_request == nullptr, ResultNotFound);
+ R_UNLESS(m_current_request == nullptr, ResultNotFound);
// Ensure we have a request to service.
- R_UNLESS(!m_thread_request_list.empty(), ResultNotFound);
+ R_UNLESS(!m_request_list.empty(), ResultNotFound);
// Pop the first request from the list.
- client_thread = m_thread_request_list.front();
- m_thread_request_list.pop_front();
+ request = &m_request_list.front();
+ m_request_list.pop_front();
// Get the thread for the request.
+ client_thread = request->GetThread();
R_UNLESS(client_thread != nullptr, ResultSessionClosed);
// Open the client thread.
client_thread->Open();
}
- // SCOPE_EXIT({ client_thread->Close(); });
+ SCOPE_EXIT({ client_thread->Close(); });
// Set the request as our current.
- m_current_thread_request = client_thread;
+ m_current_request = request;
+
+ // Get the client address.
+ uintptr_t client_message = request->GetAddress();
+ size_t client_buffer_size = request->GetSize();
+ // bool recv_list_broken = false;
// Receive the message.
Core::Memory::Memory& memory{kernel.System().Memory()};
KThread* server_thread{GetCurrentThreadPointer(kernel)};
UNIMPLEMENTED_IF(server_thread->GetOwnerProcess() != client_thread->GetOwnerProcess());
- auto* src_msg_buffer = memory.GetPointer(client_thread->GetTLSAddress());
+ auto* src_msg_buffer = memory.GetPointer(client_message);
auto* dst_msg_buffer = memory.GetPointer(server_thread->GetTLSAddress());
- std::memcpy(dst_msg_buffer, src_msg_buffer, MessageBufferSize);
+ std::memcpy(dst_msg_buffer, src_msg_buffer, client_buffer_size);
// We succeeded.
return ResultSuccess;
@@ -344,35 +369,34 @@ void KServerSession::CleanupRequests() {
// Clean up any pending requests.
while (true) {
// Get the next request.
- // KSessionRequest *request = nullptr;
- KThread* client_thread = nullptr;
+ KSessionRequest* request = nullptr;
{
KScopedSchedulerLock sl{kernel};
- if (m_current_thread_request) {
+ if (m_current_request) {
// Choose the current request if we have one.
- client_thread = m_current_thread_request;
- m_current_thread_request = nullptr;
- } else if (!m_thread_request_list.empty()) {
+ request = m_current_request;
+ m_current_request = nullptr;
+ } else if (!m_request_list.empty()) {
// Pop the request from the front of the list.
- client_thread = m_thread_request_list.front();
- m_thread_request_list.pop_front();
+ request = &m_request_list.front();
+ m_request_list.pop_front();
}
}
// If there's no request, we're done.
- if (client_thread == nullptr) {
+ if (request == nullptr) {
break;
}
// Close a reference to the request once it's cleaned up.
- SCOPE_EXIT({ client_thread->Close(); });
+ SCOPE_EXIT({ request->Close(); });
// Extract relevant information from the request.
// const uintptr_t client_message = request->GetAddress();
// const size_t client_buffer_size = request->GetSize();
- // KThread *client_thread = request->GetThread();
- // KEvent *event = request->GetEvent();
+ KThread* client_thread = request->GetThread();
+ KEvent* event = request->GetEvent();
// KProcess *server_process = request->GetServerProcess();
// KProcess *client_process = (client_thread != nullptr) ?
@@ -385,11 +409,24 @@ void KServerSession::CleanupRequests() {
// If there's a client thread, update it.
if (client_thread != nullptr) {
- // End the client thread's wait.
- KScopedSchedulerLock sl{kernel};
+ if (event != nullptr) {
+ // // We need to reply async.
+ // ReplyAsyncError(client_process, client_message, client_buffer_size,
+ // (R_SUCCEEDED(result) ? ResultSessionClosed : result));
- if (!client_thread->IsTerminationRequested()) {
- client_thread->EndWait(ResultSessionClosed);
+ // // Unlock the client buffer.
+ // NOTE: Nintendo does not check the result of this.
+ // client_page_table->UnlockForIpcUserBuffer(client_message, client_buffer_size);
+
+ // Signal the event.
+ event->Signal();
+ } else {
+ // End the client thread's wait.
+ KScopedSchedulerLock sl{kernel};
+
+ if (!client_thread->IsTerminationRequested()) {
+ client_thread->EndWait(ResultSessionClosed);
+ }
}
}
}
diff --git a/src/core/hle/kernel/k_server_session.h b/src/core/hle/kernel/k_server_session.h
index 748d52826c..c40ff4aaf7 100644
--- a/src/core/hle/kernel/k_server_session.h
+++ b/src/core/hle/kernel/k_server_session.h
@@ -12,6 +12,7 @@
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_light_lock.h"
+#include "core/hle/kernel/k_session_request.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/result.h"
@@ -94,7 +95,7 @@ public:
}
/// TODO: flesh these out to match the real kernel
- Result OnRequest();
+ Result OnRequest(KSessionRequest* request);
Result SendReply();
Result ReceiveRequest();
@@ -122,9 +123,8 @@ private:
KSession* parent{};
/// List of threads which are pending a reply.
- /// FIXME: KSessionRequest
- std::list<KThread*> m_thread_request_list;
- KThread* m_current_thread_request{};
+ boost::intrusive::list<KSessionRequest> m_request_list;
+ KSessionRequest* m_current_request;
KLightLock m_lock;
};
diff --git a/src/core/hle/kernel/k_session_request.cpp b/src/core/hle/kernel/k_session_request.cpp
new file mode 100644
index 0000000000..520da6aa74
--- /dev/null
+++ b/src/core/hle/kernel/k_session_request.cpp
@@ -0,0 +1,61 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/k_page_buffer.h"
+#include "core/hle/kernel/k_session_request.h"
+
+namespace Kernel {
+
+Result KSessionRequest::SessionMappings::PushMap(VAddr client, VAddr server, size_t size,
+ KMemoryState state, size_t index) {
+ // At most 15 buffers of each type (4-bit descriptor counts).
+ ASSERT(index < ((1ul << 4) - 1) * 3);
+
+ // Get the mapping.
+ Mapping* mapping;
+ if (index < NumStaticMappings) {
+ mapping = &m_static_mappings[index];
+ } else {
+ // Allocate a page for the extra mappings.
+ if (m_mappings == nullptr) {
+ KPageBuffer* page_buffer = KPageBuffer::Allocate(kernel);
+ R_UNLESS(page_buffer != nullptr, ResultOutOfMemory);
+
+ m_mappings = reinterpret_cast<Mapping*>(page_buffer);
+ }
+
+ mapping = &m_mappings[index - NumStaticMappings];
+ }
+
+ // Set the mapping.
+ mapping->Set(client, server, size, state);
+
+ return ResultSuccess;
+}
+
+Result KSessionRequest::SessionMappings::PushSend(VAddr client, VAddr server, size_t size,
+ KMemoryState state) {
+ ASSERT(m_num_recv == 0);
+ ASSERT(m_num_exch == 0);
+ return this->PushMap(client, server, size, state, m_num_send++);
+}
+
+Result KSessionRequest::SessionMappings::PushReceive(VAddr client, VAddr server, size_t size,
+ KMemoryState state) {
+ ASSERT(m_num_exch == 0);
+ return this->PushMap(client, server, size, state, m_num_send + m_num_recv++);
+}
+
+Result KSessionRequest::SessionMappings::PushExchange(VAddr client, VAddr server, size_t size,
+ KMemoryState state) {
+ return this->PushMap(client, server, size, state, m_num_send + m_num_recv + m_num_exch++);
+}
+
+void KSessionRequest::SessionMappings::Finalize() {
+ if (m_mappings) {
+ KPageBuffer::Free(kernel, reinterpret_cast<KPageBuffer*>(m_mappings));
+ m_mappings = nullptr;
+ }
+}
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_session_request.h b/src/core/hle/kernel/k_session_request.h
new file mode 100644
index 0000000000..fcf5215975
--- /dev/null
+++ b/src/core/hle/kernel/k_session_request.h
@@ -0,0 +1,307 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/kernel/k_auto_object.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_memory_block.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/slab_helpers.h"
+
+namespace Kernel {
+
+class KSessionRequest final : public KSlabAllocated<KSessionRequest>,
+ public KAutoObject,
+ public boost::intrusive::list_base_hook<> {
+ KERNEL_AUTOOBJECT_TRAITS(KSessionRequest, KAutoObject);
+
+public:
+ class SessionMappings {
+ private:
+ static constexpr size_t NumStaticMappings = 8;
+
+ class Mapping {
+ public:
+ constexpr void Set(VAddr c, VAddr s, size_t sz, KMemoryState st) {
+ m_client_address = c;
+ m_server_address = s;
+ m_size = sz;
+ m_state = st;
+ }
+
+ constexpr VAddr GetClientAddress() const {
+ return m_client_address;
+ }
+ constexpr VAddr GetServerAddress() const {
+ return m_server_address;
+ }
+ constexpr size_t GetSize() const {
+ return m_size;
+ }
+ constexpr KMemoryState GetMemoryState() const {
+ return m_state;
+ }
+
+ private:
+ VAddr m_client_address;
+ VAddr m_server_address;
+ size_t m_size;
+ KMemoryState m_state;
+ };
+
+ public:
+ explicit SessionMappings(KernelCore& kernel_)
+ : kernel(kernel_), m_mappings(nullptr), m_num_send(), m_num_recv(), m_num_exch() {}
+
+ void Initialize() {}
+ void Finalize();
+
+ size_t GetSendCount() const {
+ return m_num_send;
+ }
+ size_t GetReceiveCount() const {
+ return m_num_recv;
+ }
+ size_t GetExchangeCount() const {
+ return m_num_exch;
+ }
+
+ Result PushSend(VAddr client, VAddr server, size_t size, KMemoryState state);
+ Result PushReceive(VAddr client, VAddr server, size_t size, KMemoryState state);
+ Result PushExchange(VAddr client, VAddr server, size_t size, KMemoryState state);
+
+ VAddr GetSendClientAddress(size_t i) const {
+ return GetSendMapping(i).GetClientAddress();
+ }
+ VAddr GetSendServerAddress(size_t i) const {
+ return GetSendMapping(i).GetServerAddress();
+ }
+ size_t GetSendSize(size_t i) const {
+ return GetSendMapping(i).GetSize();
+ }
+ KMemoryState GetSendMemoryState(size_t i) const {
+ return GetSendMapping(i).GetMemoryState();
+ }
+
+ VAddr GetReceiveClientAddress(size_t i) const {
+ return GetReceiveMapping(i).GetClientAddress();
+ }
+ VAddr GetReceiveServerAddress(size_t i) const {
+ return GetReceiveMapping(i).GetServerAddress();
+ }
+ size_t GetReceiveSize(size_t i) const {
+ return GetReceiveMapping(i).GetSize();
+ }
+ KMemoryState GetReceiveMemoryState(size_t i) const {
+ return GetReceiveMapping(i).GetMemoryState();
+ }
+
+ VAddr GetExchangeClientAddress(size_t i) const {
+ return GetExchangeMapping(i).GetClientAddress();
+ }
+ VAddr GetExchangeServerAddress(size_t i) const {
+ return GetExchangeMapping(i).GetServerAddress();
+ }
+ size_t GetExchangeSize(size_t i) const {
+ return GetExchangeMapping(i).GetSize();
+ }
+ KMemoryState GetExchangeMemoryState(size_t i) const {
+ return GetExchangeMapping(i).GetMemoryState();
+ }
+
+ private:
+ Result PushMap(VAddr client, VAddr server, size_t size, KMemoryState state, size_t index);
+
+ const Mapping& GetSendMapping(size_t i) const {
+ ASSERT(i < m_num_send);
+
+ const size_t index = i;
+ if (index < NumStaticMappings) {
+ return m_static_mappings[index];
+ } else {
+ return m_mappings[index - NumStaticMappings];
+ }
+ }
+
+ const Mapping& GetReceiveMapping(size_t i) const {
+ ASSERT(i < m_num_recv);
+
+ const size_t index = m_num_send + i;
+ if (index < NumStaticMappings) {
+ return m_static_mappings[index];
+ } else {
+ return m_mappings[index - NumStaticMappings];
+ }
+ }
+
+ const Mapping& GetExchangeMapping(size_t i) const {
+ ASSERT(i < m_num_exch);
+
+ const size_t index = m_num_send + m_num_recv + i;
+ if (index < NumStaticMappings) {
+ return m_static_mappings[index];
+ } else {
+ return m_mappings[index - NumStaticMappings];
+ }
+ }
+
+ private:
+ KernelCore& kernel;
+ Mapping m_static_mappings[NumStaticMappings];
+ Mapping* m_mappings;
+ u8 m_num_send;
+ u8 m_num_recv;
+ u8 m_num_exch;
+ };
+
+public:
+ explicit KSessionRequest(KernelCore& kernel_)
+ : KAutoObject(kernel_), m_mappings(kernel_), m_thread(nullptr), m_server(nullptr),
+ m_event(nullptr) {}
+
+ static KSessionRequest* Create(KernelCore& kernel) {
+ KSessionRequest* req = KSessionRequest::Allocate(kernel);
+ if (req != nullptr) [[likely]] {
+ KAutoObject::Create(req);
+ }
+ return req;
+ }
+
+ void Destroy() override {
+ this->Finalize();
+ KSessionRequest::Free(kernel, this);
+ }
+
+ void Initialize(KEvent* event, uintptr_t address, size_t size) {
+ m_mappings.Initialize();
+
+ m_thread = GetCurrentThreadPointer(kernel);
+ m_event = event;
+ m_address = address;
+ m_size = size;
+
+ m_thread->Open();
+ if (m_event != nullptr) {
+ m_event->Open();
+ }
+ }
+
+ static void PostDestroy(uintptr_t arg) {}
+
+ KThread* GetThread() const {
+ return m_thread;
+ }
+ KEvent* GetEvent() const {
+ return m_event;
+ }
+ uintptr_t GetAddress() const {
+ return m_address;
+ }
+ size_t GetSize() const {
+ return m_size;
+ }
+ KProcess* GetServerProcess() const {
+ return m_server;
+ }
+
+ void SetServerProcess(KProcess* process) {
+ m_server = process;
+ m_server->Open();
+ }
+
+ void ClearThread() {
+ m_thread = nullptr;
+ }
+ void ClearEvent() {
+ m_event = nullptr;
+ }
+
+ size_t GetSendCount() const {
+ return m_mappings.GetSendCount();
+ }
+ size_t GetReceiveCount() const {
+ return m_mappings.GetReceiveCount();
+ }
+ size_t GetExchangeCount() const {
+ return m_mappings.GetExchangeCount();
+ }
+
+ Result PushSend(VAddr client, VAddr server, size_t size, KMemoryState state) {
+ return m_mappings.PushSend(client, server, size, state);
+ }
+
+ Result PushReceive(VAddr client, VAddr server, size_t size, KMemoryState state) {
+ return m_mappings.PushReceive(client, server, size, state);
+ }
+
+ Result PushExchange(VAddr client, VAddr server, size_t size, KMemoryState state) {
+ return m_mappings.PushExchange(client, server, size, state);
+ }
+
+ VAddr GetSendClientAddress(size_t i) const {
+ return m_mappings.GetSendClientAddress(i);
+ }
+ VAddr GetSendServerAddress(size_t i) const {
+ return m_mappings.GetSendServerAddress(i);
+ }
+ size_t GetSendSize(size_t i) const {
+ return m_mappings.GetSendSize(i);
+ }
+ KMemoryState GetSendMemoryState(size_t i) const {
+ return m_mappings.GetSendMemoryState(i);
+ }
+
+ VAddr GetReceiveClientAddress(size_t i) const {
+ return m_mappings.GetReceiveClientAddress(i);
+ }
+ VAddr GetReceiveServerAddress(size_t i) const {
+ return m_mappings.GetReceiveServerAddress(i);
+ }
+ size_t GetReceiveSize(size_t i) const {
+ return m_mappings.GetReceiveSize(i);
+ }
+ KMemoryState GetReceiveMemoryState(size_t i) const {
+ return m_mappings.GetReceiveMemoryState(i);
+ }
+
+ VAddr GetExchangeClientAddress(size_t i) const {
+ return m_mappings.GetExchangeClientAddress(i);
+ }
+ VAddr GetExchangeServerAddress(size_t i) const {
+ return m_mappings.GetExchangeServerAddress(i);
+ }
+ size_t GetExchangeSize(size_t i) const {
+ return m_mappings.GetExchangeSize(i);
+ }
+ KMemoryState GetExchangeMemoryState(size_t i) const {
+ return m_mappings.GetExchangeMemoryState(i);
+ }
+
+private:
+ // NOTE: This is public and virtual in Nintendo's kernel.
+ void Finalize() {
+ m_mappings.Finalize();
+
+ if (m_thread) {
+ m_thread->Close();
+ }
+ if (m_event) {
+ m_event->Close();
+ }
+ if (m_server) {
+ m_server->Close();
+ }
+ }
+
+private:
+ SessionMappings m_mappings;
+ KThread* m_thread;
+ KProcess* m_server;
+ KEvent* m_event;
+ uintptr_t m_address;
+ size_t m_size;
+};
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_shared_memory_info.h b/src/core/hle/kernel/k_shared_memory_info.h
index e43db8515b..2bb6b6d088 100644
--- a/src/core/hle/kernel/k_shared_memory_info.h
+++ b/src/core/hle/kernel/k_shared_memory_info.h
@@ -15,7 +15,8 @@ class KSharedMemoryInfo final : public KSlabAllocated<KSharedMemoryInfo>,
public boost::intrusive::list_base_hook<> {
public:
- explicit KSharedMemoryInfo() = default;
+ explicit KSharedMemoryInfo(KernelCore&) {}
+ KSharedMemoryInfo() = default;
constexpr void Initialize(KSharedMemory* shmem) {
shared_memory = shmem;
diff --git a/src/core/hle/kernel/k_thread_local_page.h b/src/core/hle/kernel/k_thread_local_page.h
index 0a7f226807..5d466ace7a 100644
--- a/src/core/hle/kernel/k_thread_local_page.h
+++ b/src/core/hle/kernel/k_thread_local_page.h
@@ -26,7 +26,7 @@ public:
static_assert(RegionsPerPage > 0);
public:
- constexpr explicit KThreadLocalPage(VAddr addr = {}) : m_virt_addr(addr) {
+ constexpr explicit KThreadLocalPage(KernelCore&, VAddr addr = {}) : m_virt_addr(addr) {
m_is_region_free.fill(true);
}
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 6eded95393..266be2bc4f 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -47,6 +47,7 @@ class KResourceLimit;
class KScheduler;
class KServerSession;
class KSession;
+class KSessionRequest;
class KSharedMemory;
class KSharedMemoryInfo;
class KThread;
@@ -360,6 +361,8 @@ public:
return slab_heap_container->page_buffer;
} else if constexpr (std::is_same_v<T, KThreadLocalPage>) {
return slab_heap_container->thread_local_page;
+ } else if constexpr (std::is_same_v<T, KSessionRequest>) {
+ return slab_heap_container->session_request;
}
}
@@ -422,6 +425,7 @@ private:
KSlabHeap<KCodeMemory> code_memory;
KSlabHeap<KPageBuffer> page_buffer;
KSlabHeap<KThreadLocalPage> thread_local_page;
+ KSlabHeap<KSessionRequest> session_request;
};
std::unique_ptr<SlabHeapContainer> slab_heap_container;
diff --git a/src/core/hle/kernel/slab_helpers.h b/src/core/hle/kernel/slab_helpers.h
index 299a981a8a..06b51e9199 100644
--- a/src/core/hle/kernel/slab_helpers.h
+++ b/src/core/hle/kernel/slab_helpers.h
@@ -24,7 +24,7 @@ public:
}
static Derived* Allocate(KernelCore& kernel) {
- return kernel.SlabHeap<Derived>().Allocate();
+ return kernel.SlabHeap<Derived>().Allocate(kernel);
}
static void Free(KernelCore& kernel, Derived* obj) {