kernel: add KSessionRequest

This commit is contained in:
Liam 2022-10-14 21:24:25 -04:00
parent 5ffb8b8039
commit 3efb8eb2dc
13 changed files with 488 additions and 61 deletions

View File

@ -243,6 +243,8 @@ add_library(core STATIC
hle/kernel/k_server_session.h hle/kernel/k_server_session.h
hle/kernel/k_session.cpp hle/kernel/k_session.cpp
hle/kernel/k_session.h 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.cpp
hle/kernel/k_shared_memory.h hle/kernel/k_shared_memory.h
hle/kernel/k_shared_memory_info.h hle/kernel/k_shared_memory_info.h

View File

@ -18,6 +18,7 @@
#include "core/hle/kernel/k_process.h" #include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_resource_limit.h" #include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_session.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.h"
#include "core/hle/kernel/k_shared_memory_info.h" #include "core/hle/kernel/k_shared_memory_info.h"
#include "core/hle/kernel/k_system_control.h" #include "core/hle/kernel/k_system_control.h"
@ -34,6 +35,7 @@ namespace Kernel::Init {
HANDLER(KThread, (SLAB_COUNT(KThread)), ##__VA_ARGS__) \ HANDLER(KThread, (SLAB_COUNT(KThread)), ##__VA_ARGS__) \
HANDLER(KEvent, (SLAB_COUNT(KEvent)), ##__VA_ARGS__) \ HANDLER(KEvent, (SLAB_COUNT(KEvent)), ##__VA_ARGS__) \
HANDLER(KPort, (SLAB_COUNT(KPort)), ##__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(KSharedMemory, (SLAB_COUNT(KSharedMemory)), ##__VA_ARGS__) \
HANDLER(KSharedMemoryInfo, (SLAB_COUNT(KSharedMemory) * 8), ##__VA_ARGS__) \ HANDLER(KSharedMemoryInfo, (SLAB_COUNT(KSharedMemory) * 8), ##__VA_ARGS__) \
HANDLER(KTransferMemory, (SLAB_COUNT(KTransferMemory)), ##__VA_ARGS__) \ HANDLER(KTransferMemory, (SLAB_COUNT(KTransferMemory)), ##__VA_ARGS__) \

View File

@ -1,6 +1,7 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later // SPDX-License-Identifier: GPL-2.0-or-later
#include "common/scope_exit.h"
#include "core/hle/kernel/hle_ipc.h" #include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_client_session.h" #include "core/hle/kernel/k_client_session.h"
#include "core/hle/kernel/k_server_session.h" #include "core/hle/kernel/k_server_session.h"
@ -10,6 +11,8 @@
namespace Kernel { namespace Kernel {
static constexpr u32 MessageBufferSize = 0x100;
KClientSession::KClientSession(KernelCore& kernel_) KClientSession::KClientSession(KernelCore& kernel_)
: KAutoObjectWithSlabHeapAndContainer{kernel_} {} : KAutoObjectWithSlabHeapAndContainer{kernel_} {}
KClientSession::~KClientSession() = default; KClientSession::~KClientSession() = default;
@ -22,8 +25,16 @@ void KClientSession::Destroy() {
void KClientSession::OnServerClosed() {} void KClientSession::OnServerClosed() {}
Result KClientSession::SendSyncRequest() { Result KClientSession::SendSyncRequest() {
// Signal the server session that new data is available // Create a session request.
return parent->GetServerSession().OnRequest(); 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 } // namespace Kernel

View File

@ -16,6 +16,7 @@ class KLinkedListNode : public boost::intrusive::list_base_hook<>,
public KSlabAllocated<KLinkedListNode> { public KSlabAllocated<KLinkedListNode> {
public: public:
explicit KLinkedListNode(KernelCore&) {}
KLinkedListNode() = default; KLinkedListNode() = default;
void Initialize(void* it) { void Initialize(void* it) {

View File

@ -13,6 +13,7 @@ namespace Kernel {
class KPageBuffer final : public KSlabAllocated<KPageBuffer> { class KPageBuffer final : public KSlabAllocated<KPageBuffer> {
public: public:
explicit KPageBuffer(KernelCore&) {}
KPageBuffer() = default; KPageBuffer() = default;
static KPageBuffer* FromPhysicalAddress(Core::System& system, PAddr phys_addr); static KPageBuffer* FromPhysicalAddress(Core::System& system, PAddr phys_addr);

View File

@ -29,8 +29,6 @@ namespace Kernel {
using ThreadQueueImplForKServerSessionRequest = KThreadQueue; using ThreadQueueImplForKServerSessionRequest = KThreadQueue;
static constexpr u32 MessageBufferSize = 0x100;
KServerSession::KServerSession(KernelCore& kernel_) KServerSession::KServerSession(KernelCore& kernel_)
: KSynchronizationObject{kernel_}, m_lock{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. // 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) { void KServerSession::AppendDomainHandler(SessionRequestHandlerPtr handler) {
@ -178,7 +176,7 @@ Result KServerSession::CompleteSyncRequest(HLERequestContext& context) {
return result; return result;
} }
Result KServerSession::OnRequest() { Result KServerSession::OnRequest(KSessionRequest* request) {
// Create the wait queue. // Create the wait queue.
ThreadQueueImplForKServerSessionRequest wait_queue{kernel}; ThreadQueueImplForKServerSessionRequest wait_queue{kernel};
@ -198,14 +196,13 @@ Result KServerSession::OnRequest() {
this->QueueSyncRequest(GetCurrentThreadPointer(kernel), memory); this->QueueSyncRequest(GetCurrentThreadPointer(kernel), memory);
} else { } else {
// Non-HLE request. // Non-HLE request.
auto* thread{GetCurrentThreadPointer(kernel)};
// Get whether we're empty. // 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. // Add the request to the list.
thread->Open(); request->Open();
m_thread_request_list.push_back(thread); m_request_list.push_back(*request);
// If we were empty, signal. // If we were empty, signal.
if (was_empty) { 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. // This is a synchronous request, so we should wait for our request to complete.
GetCurrentThread(kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC); GetCurrentThread(kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
GetCurrentThread(kernel).BeginWait(&wait_queue); GetCurrentThread(kernel).BeginWait(&wait_queue);
@ -223,32 +223,32 @@ Result KServerSession::OnRequest() {
Result KServerSession::SendReply() { Result KServerSession::SendReply() {
// Lock the session. // Lock the session.
KScopedLightLock lk(m_lock); KScopedLightLock lk{m_lock};
// Get the request. // Get the request.
KThread* client_thread; KSessionRequest* request;
{ {
KScopedSchedulerLock sl{kernel}; KScopedSchedulerLock sl{kernel};
// Get the current request. // Get the current request.
client_thread = m_current_thread_request; request = m_current_request;
R_UNLESS(client_thread != nullptr, ResultInvalidState); R_UNLESS(request != nullptr, ResultInvalidState);
// Clear the current request, since we're processing it. // Clear the current request, since we're processing it.
m_current_thread_request = nullptr; m_current_request = nullptr;
if (!m_thread_request_list.empty()) { if (!m_request_list.empty()) {
this->NotifyAvailable(); this->NotifyAvailable();
} }
} }
// Close reference to the request once we're done processing it. // 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. // Extract relevant information from the request.
// const uintptr_t client_message = request->GetAddress(); const uintptr_t client_message = request->GetAddress();
// const size_t client_buffer_size = request->GetSize(); const size_t client_buffer_size = request->GetSize();
// KThread *client_thread = request->GetThread(); KThread* client_thread = request->GetThread();
// KEvent *event = request->GetEvent(); KEvent* event = request->GetEvent();
// Check whether we're closed. // Check whether we're closed.
const bool closed = (client_thread == nullptr || parent->IsClientClosed()); const bool closed = (client_thread == nullptr || parent->IsClientClosed());
@ -261,8 +261,8 @@ Result KServerSession::SendReply() {
UNIMPLEMENTED_IF(server_thread->GetOwnerProcess() != client_thread->GetOwnerProcess()); UNIMPLEMENTED_IF(server_thread->GetOwnerProcess() != client_thread->GetOwnerProcess());
auto* src_msg_buffer = memory.GetPointer(server_thread->GetTLSAddress()); auto* src_msg_buffer = memory.GetPointer(server_thread->GetTLSAddress());
auto* dst_msg_buffer = memory.GetPointer(client_thread->GetTLSAddress()); auto* dst_msg_buffer = memory.GetPointer(client_message);
std::memcpy(dst_msg_buffer, src_msg_buffer, MessageBufferSize); std::memcpy(dst_msg_buffer, src_msg_buffer, client_buffer_size);
} else { } else {
result = ResultSessionClosed; result = ResultSessionClosed;
} }
@ -278,11 +278,30 @@ Result KServerSession::SendReply() {
// If there's a client thread, update it. // If there's a client thread, update it.
if (client_thread != nullptr) { if (client_thread != nullptr) {
// End the client thread's wait. if (event != nullptr) {
KScopedSchedulerLock sl{kernel}; // // Get the client process/page table.
// KProcess *client_process = client_thread->GetOwnerProcess();
// KPageTable *client_page_table = &client_process->PageTable();
if (!client_thread->IsTerminationRequested()) { // // If we need to, reply with an async error.
client_thread->EndWait(client_result); // 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() { Result KServerSession::ReceiveRequest() {
// Lock the session. // Lock the session.
KScopedLightLock lk(m_lock); KScopedLightLock lk{m_lock};
// Get the request and client thread. // Get the request and client thread.
// KSessionRequest *request; KSessionRequest* request;
KThread* client_thread; KThread* client_thread;
{ {
@ -304,35 +323,41 @@ Result KServerSession::ReceiveRequest() {
R_UNLESS(!parent->IsClientClosed(), ResultSessionClosed); R_UNLESS(!parent->IsClientClosed(), ResultSessionClosed);
// Ensure we aren't already servicing a request. // 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. // 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. // Pop the first request from the list.
client_thread = m_thread_request_list.front(); request = &m_request_list.front();
m_thread_request_list.pop_front(); m_request_list.pop_front();
// Get the thread for the request. // Get the thread for the request.
client_thread = request->GetThread();
R_UNLESS(client_thread != nullptr, ResultSessionClosed); R_UNLESS(client_thread != nullptr, ResultSessionClosed);
// Open the client thread. // Open the client thread.
client_thread->Open(); client_thread->Open();
} }
// SCOPE_EXIT({ client_thread->Close(); }); SCOPE_EXIT({ client_thread->Close(); });
// Set the request as our current. // 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. // Receive the message.
Core::Memory::Memory& memory{kernel.System().Memory()}; Core::Memory::Memory& memory{kernel.System().Memory()};
KThread* server_thread{GetCurrentThreadPointer(kernel)}; KThread* server_thread{GetCurrentThreadPointer(kernel)};
UNIMPLEMENTED_IF(server_thread->GetOwnerProcess() != client_thread->GetOwnerProcess()); 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()); 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. // We succeeded.
return ResultSuccess; return ResultSuccess;
@ -344,35 +369,34 @@ void KServerSession::CleanupRequests() {
// Clean up any pending requests. // Clean up any pending requests.
while (true) { while (true) {
// Get the next request. // Get the next request.
// KSessionRequest *request = nullptr; KSessionRequest* request = nullptr;
KThread* client_thread = nullptr;
{ {
KScopedSchedulerLock sl{kernel}; KScopedSchedulerLock sl{kernel};
if (m_current_thread_request) { if (m_current_request) {
// Choose the current request if we have one. // Choose the current request if we have one.
client_thread = m_current_thread_request; request = m_current_request;
m_current_thread_request = nullptr; m_current_request = nullptr;
} else if (!m_thread_request_list.empty()) { } else if (!m_request_list.empty()) {
// Pop the request from the front of the list. // Pop the request from the front of the list.
client_thread = m_thread_request_list.front(); request = &m_request_list.front();
m_thread_request_list.pop_front(); m_request_list.pop_front();
} }
} }
// If there's no request, we're done. // If there's no request, we're done.
if (client_thread == nullptr) { if (request == nullptr) {
break; break;
} }
// Close a reference to the request once it's cleaned up. // 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. // Extract relevant information from the request.
// const uintptr_t client_message = request->GetAddress(); // const uintptr_t client_message = request->GetAddress();
// const size_t client_buffer_size = request->GetSize(); // const size_t client_buffer_size = request->GetSize();
// KThread *client_thread = request->GetThread(); KThread* client_thread = request->GetThread();
// KEvent *event = request->GetEvent(); KEvent* event = request->GetEvent();
// KProcess *server_process = request->GetServerProcess(); // KProcess *server_process = request->GetServerProcess();
// KProcess *client_process = (client_thread != nullptr) ? // KProcess *client_process = (client_thread != nullptr) ?
@ -385,11 +409,24 @@ void KServerSession::CleanupRequests() {
// If there's a client thread, update it. // If there's a client thread, update it.
if (client_thread != nullptr) { if (client_thread != nullptr) {
// End the client thread's wait. if (event != nullptr) {
KScopedSchedulerLock sl{kernel}; // // We need to reply async.
// ReplyAsyncError(client_process, client_message, client_buffer_size,
// (R_SUCCEEDED(result) ? ResultSessionClosed : result));
if (!client_thread->IsTerminationRequested()) { // // Unlock the client buffer.
client_thread->EndWait(ResultSessionClosed); // 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);
}
} }
} }
} }

View File

@ -12,6 +12,7 @@
#include "core/hle/kernel/hle_ipc.h" #include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_light_lock.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/kernel/k_synchronization_object.h"
#include "core/hle/result.h" #include "core/hle/result.h"
@ -94,7 +95,7 @@ public:
} }
/// TODO: flesh these out to match the real kernel /// TODO: flesh these out to match the real kernel
Result OnRequest(); Result OnRequest(KSessionRequest* request);
Result SendReply(); Result SendReply();
Result ReceiveRequest(); Result ReceiveRequest();
@ -122,9 +123,8 @@ private:
KSession* parent{}; KSession* parent{};
/// List of threads which are pending a reply. /// List of threads which are pending a reply.
/// FIXME: KSessionRequest boost::intrusive::list<KSessionRequest> m_request_list;
std::list<KThread*> m_thread_request_list; KSessionRequest* m_current_request;
KThread* m_current_thread_request{};
KLightLock m_lock; KLightLock m_lock;
}; };

View File

@ -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

View File

@ -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

View File

@ -15,7 +15,8 @@ class KSharedMemoryInfo final : public KSlabAllocated<KSharedMemoryInfo>,
public boost::intrusive::list_base_hook<> { public boost::intrusive::list_base_hook<> {
public: public:
explicit KSharedMemoryInfo() = default; explicit KSharedMemoryInfo(KernelCore&) {}
KSharedMemoryInfo() = default;
constexpr void Initialize(KSharedMemory* shmem) { constexpr void Initialize(KSharedMemory* shmem) {
shared_memory = shmem; shared_memory = shmem;

View File

@ -26,7 +26,7 @@ public:
static_assert(RegionsPerPage > 0); static_assert(RegionsPerPage > 0);
public: 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); m_is_region_free.fill(true);
} }

View File

@ -47,6 +47,7 @@ class KResourceLimit;
class KScheduler; class KScheduler;
class KServerSession; class KServerSession;
class KSession; class KSession;
class KSessionRequest;
class KSharedMemory; class KSharedMemory;
class KSharedMemoryInfo; class KSharedMemoryInfo;
class KThread; class KThread;
@ -360,6 +361,8 @@ public:
return slab_heap_container->page_buffer; return slab_heap_container->page_buffer;
} else if constexpr (std::is_same_v<T, KThreadLocalPage>) { } else if constexpr (std::is_same_v<T, KThreadLocalPage>) {
return slab_heap_container->thread_local_page; 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<KCodeMemory> code_memory;
KSlabHeap<KPageBuffer> page_buffer; KSlabHeap<KPageBuffer> page_buffer;
KSlabHeap<KThreadLocalPage> thread_local_page; KSlabHeap<KThreadLocalPage> thread_local_page;
KSlabHeap<KSessionRequest> session_request;
}; };
std::unique_ptr<SlabHeapContainer> slab_heap_container; std::unique_ptr<SlabHeapContainer> slab_heap_container;

View File

@ -24,7 +24,7 @@ public:
} }
static Derived* Allocate(KernelCore& kernel) { static Derived* Allocate(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().Allocate(); return kernel.SlabHeap<Derived>().Allocate(kernel);
} }
static void Free(KernelCore& kernel, Derived* obj) { static void Free(KernelCore& kernel, Derived* obj) {