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Refactor out the wakeup_callback function pointer

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This commit is contained in:
Hamish Milne 2020-01-06 20:03:40 +00:00 • committed by zhupengfei
parent 7019561fd5
commit 116d22d562
24 changed files with 533 additions and 295 deletions
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16
src/core/hle/kernel/address_arbiter.cpp
View file

@ -80,16 +80,18 @@ std::shared_ptr<AddressArbiter> KernelSystem::CreateAddressArbiter(std::string n
return address_arbiter;
}
void AddressArbiter::WakeUp(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(reason == ThreadWakeupReason::Timeout);
// Remove the newly-awakened thread from the Arbiter's waiting list.
waiting_threads.erase(std::remove(waiting_threads.begin(), waiting_threads.end(), thread),
waiting_threads.end());
};
ResultCode AddressArbiter::ArbitrateAddress(std::shared_ptr<Thread> thread, ArbitrationType type,
VAddr address, s32 value, u64 nanoseconds) {
auto timeout_callback = [this](ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(reason == ThreadWakeupReason::Timeout);
// Remove the newly-awakened thread from the Arbiter's waiting list.
waiting_threads.erase(std::remove(waiting_threads.begin(), waiting_threads.end(), thread),
waiting_threads.end());
};
auto timeout_callback = std::dynamic_pointer_cast<WakeupCallback>(shared_from_this());
switch (type) {

6
src/core/hle/kernel/address_arbiter.h
View file

@ -12,6 +12,7 @@
#include <boost/serialization/vector.hpp>
#include "common/common_types.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/result.h"
// Address arbiters are an underlying kernel synchronization object that can be created/used via
@ -34,7 +35,7 @@ enum class ArbitrationType : u32 {
DecrementAndWaitIfLessThanWithTimeout,
};
class AddressArbiter final : public Object {
class AddressArbiter final : public Object, public WakeupCallback {
public:
explicit AddressArbiter(KernelSystem& kernel);
~AddressArbiter() override;
@ -56,6 +57,9 @@ public:
ResultCode ArbitrateAddress(std::shared_ptr<Thread> thread, ArbitrationType type, VAddr address,
s32 value, u64 nanoseconds);
void WakeUp(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object);
private:
KernelSystem& kernel;

95
src/core/hle/kernel/hle_ipc.cpp
View file

@ -16,6 +16,46 @@
namespace Kernel {
class HLERequestContext::ThreadCallback : public Kernel::WakeupCallback {
public:
ThreadCallback(std::shared_ptr<HLERequestContext> context_,
std::shared_ptr<HLERequestContext::WakeupCallback> callback_)
: context(context_), callback(callback_) {}
void WakeUp(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(thread->status == ThreadStatus::WaitHleEvent);
if (callback) {
callback->WakeUp(thread, *context, reason);
}
auto& process = thread->owner_process;
// We must copy the entire command buffer *plus* the entire static buffers area, since
// the translation might need to read from it in order to retrieve the StaticBuffer
// target addresses.
std::array<u32_le, IPC::COMMAND_BUFFER_LENGTH + 2 * IPC::MAX_STATIC_BUFFERS> cmd_buff;
Memory::MemorySystem& memory = context->kernel.memory;
memory.ReadBlock(*process, thread->GetCommandBufferAddress(), cmd_buff.data(),
cmd_buff.size() * sizeof(u32));
context->WriteToOutgoingCommandBuffer(cmd_buff.data(), *process);
// Copy the translated command buffer back into the thread's command buffer area.
memory.WriteBlock(*process, thread->GetCommandBufferAddress(), cmd_buff.data(),
cmd_buff.size() * sizeof(u32));
}
private:
ThreadCallback() = default;
std::shared_ptr<HLERequestContext::WakeupCallback> callback{};
std::shared_ptr<HLERequestContext> context{};
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& callback;
ar& context;
}
friend class boost::serialization::access;
};
SessionRequestHandler::SessionInfo::SessionInfo(std::shared_ptr<ServerSession> session,
std::unique_ptr<SessionDataBase> data)
: session(std::move(session)), data(std::move(data)) {}
@ -33,34 +73,16 @@ void SessionRequestHandler::ClientDisconnected(std::shared_ptr<ServerSession> se
connected_sessions.end());
}
std::shared_ptr<Event> HLERequestContext::SleepClientThread(const std::string& reason,
std::chrono::nanoseconds timeout,
WakeupCallback&& callback) {
std::shared_ptr<Event> HLERequestContext::SleepClientThread(
const std::string& reason, std::chrono::nanoseconds timeout,
std::shared_ptr<WakeupCallback> callback) {
// Put the client thread to sleep until the wait event is signaled or the timeout expires.
thread->wakeup_callback = [context = *this,
callback](ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) mutable {
ASSERT(thread->status == ThreadStatus::WaitHleEvent);
callback(thread, context, reason);
auto& process = thread->owner_process;
// We must copy the entire command buffer *plus* the entire static buffers area, since
// the translation might need to read from it in order to retrieve the StaticBuffer
// target addresses.
std::array<u32_le, IPC::COMMAND_BUFFER_LENGTH + 2 * IPC::MAX_STATIC_BUFFERS> cmd_buff;
Memory::MemorySystem& memory = context.kernel.memory;
memory.ReadBlock(*process, thread->GetCommandBufferAddress(), cmd_buff.data(),
cmd_buff.size() * sizeof(u32));
context.WriteToOutgoingCommandBuffer(cmd_buff.data(), *process);
// Copy the translated command buffer back into the thread's command buffer area.
memory.WriteBlock(*process, thread->GetCommandBufferAddress(), cmd_buff.data(),
cmd_buff.size() * sizeof(u32));
};
thread->wakeup_callback = std::make_shared<ThreadCallback>(shared_from_this(), callback);
auto event = kernel.CreateEvent(Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
thread->status = ThreadStatus::WaitHleEvent;
thread->wait_objects = {event};
event->AddWaitingThread(SharedFrom(thread));
event->AddWaitingThread(thread);
if (timeout.count() > 0)
thread->WakeAfterDelay(timeout.count());
@ -68,8 +90,10 @@ std::shared_ptr<Event> HLERequestContext::SleepClientThread(const std::string& r
return event;
}
HLERequestContext::HLERequestContext() : kernel(Core::Global<KernelSystem>()) {}
HLERequestContext::HLERequestContext(KernelSystem& kernel, std::shared_ptr<ServerSession> session,
Thread* thread)
std::shared_ptr<Thread> thread)
: kernel(kernel), session(std::move(session)), thread(thread) {
cmd_buf[0] = 0;
}
@ -98,8 +122,9 @@ void HLERequestContext::AddStaticBuffer(u8 buffer_id, std::vector<u8> data) {
static_buffers[buffer_id] = std::move(data);
}
ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const u32_le* src_cmdbuf,
Process& src_process) {
ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(
const u32_le* src_cmdbuf, std::shared_ptr<Process> src_process_) {
auto& src_process = *src_process_;
IPC::Header header{src_cmdbuf[0]};
std::size_t untranslated_size = 1u + header.normal_params_size;
@ -158,7 +183,7 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const u32_le* sr
}
case IPC::DescriptorType::MappedBuffer: {
u32 next_id = static_cast<u32>(request_mapped_buffers.size());
request_mapped_buffers.emplace_back(kernel.memory, src_process, descriptor,
request_mapped_buffers.emplace_back(kernel.memory, src_process_, descriptor,
src_cmdbuf[i], next_id);
cmd_buf[i++] = next_id;
break;
@ -170,7 +195,7 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const u32_le* sr
if (should_record) {
std::vector<u32> translated_cmdbuf{cmd_buf.begin(), cmd_buf.begin() + command_size};
kernel.GetIPCRecorder().SetRequestInfo(SharedFrom(thread), std::move(untranslated_cmdbuf),
kernel.GetIPCRecorder().SetRequestInfo(thread, std::move(untranslated_cmdbuf),
std::move(translated_cmdbuf));
}
@ -248,7 +273,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf,
if (should_record) {
std::vector<u32> translated_cmdbuf{dst_cmdbuf, dst_cmdbuf + command_size};
kernel.GetIPCRecorder().SetReplyInfo(SharedFrom(thread), std::move(untranslated_cmdbuf),
kernel.GetIPCRecorder().SetReplyInfo(thread, std::move(untranslated_cmdbuf),
std::move(translated_cmdbuf));
}
@ -262,13 +287,15 @@ MappedBuffer& HLERequestContext::GetMappedBuffer(u32 id_from_cmdbuf) {
void HLERequestContext::ReportUnimplemented() const {
if (kernel.GetIPCRecorder().IsEnabled()) {
kernel.GetIPCRecorder().SetHLEUnimplemented(SharedFrom(thread));
kernel.GetIPCRecorder().SetHLEUnimplemented(thread);
}
}
MappedBuffer::MappedBuffer(Memory::MemorySystem& memory, const Process& process, u32 descriptor,
VAddr address, u32 id)
: memory(&memory), id(id), address(address), process(&process) {
MappedBuffer::MappedBuffer() : memory(&Core::Global<Core::System>().Memory()) {}
MappedBuffer::MappedBuffer(Memory::MemorySystem& memory, std::shared_ptr<Process> process,
u32 descriptor, VAddr address, u32 id)
: memory(&memory), id(id), address(address), process(process) {
IPC::MappedBufferDescInfo desc{descriptor};
size = desc.size;
perms = desc.perms;
@ -287,3 +314,5 @@ void MappedBuffer::Write(const void* src_buffer, std::size_t offset, std::size_t
}
} // namespace Kernel
SERIALIZE_EXPORT_IMPL(Kernel::HLERequestContext::ThreadCallback)

55
src/core/hle/kernel/hle_ipc.h
View file

@ -16,6 +16,7 @@
#include <boost/serialization/unique_ptr.hpp>
#include <boost/serialization/vector.hpp>
#include "common/common_types.h"
#include "common/serialization/boost_small_vector.hpp"
#include "common/swap.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/object.h"
@ -127,7 +128,7 @@ private:
class MappedBuffer {
public:
MappedBuffer(Memory::MemorySystem& memory, const Process& process, u32 descriptor,
MappedBuffer(Memory::MemorySystem& memory, std::shared_ptr<Process> process, u32 descriptor,
VAddr address, u32 id);
// interface for service
@ -151,9 +152,21 @@ private:
Memory::MemorySystem* memory;
u32 id;
VAddr address;
const Process* process;
std::size_t size;
std::shared_ptr<Process> process;
u32 size;
IPC::MappedBufferPermissions perms;
MappedBuffer();
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& id;
ar& address;
ar& process;
ar& size;
ar& perms;
}
friend class boost::serialization::access;
};
/**
@ -185,9 +198,10 @@ private:
* id of the memory interface and let kernel convert it back to client vaddr. No real unmapping is
* needed in this case, though.
*/
class HLERequestContext {
class HLERequestContext : std::enable_shared_from_this<HLERequestContext> {
public:
HLERequestContext(KernelSystem& kernel, std::shared_ptr<ServerSession> session, Thread* thread);
HLERequestContext(KernelSystem& kernel, std::shared_ptr<ServerSession> session,
std::shared_ptr<Thread> thread);
~HLERequestContext();
/// Returns a pointer to the IPC command buffer for this request.
@ -203,8 +217,12 @@ public:
return session;
}
using WakeupCallback = std::function<void(
std::shared_ptr<Thread> thread, HLERequestContext& context, ThreadWakeupReason reason)>;
class WakeupCallback {
public:
virtual ~WakeupCallback() = default;
virtual void WakeUp(std::shared_ptr<Thread> thread, HLERequestContext& context,
ThreadWakeupReason reason) = 0;
};
/**
* Puts the specified guest thread to sleep until the returned event is signaled or until the
@ -219,7 +237,7 @@ public:
*/
std::shared_ptr<Event> SleepClientThread(const std::string& reason,
std::chrono::nanoseconds timeout,
WakeupCallback&& callback);
std::shared_ptr<WakeupCallback> callback);
/**
* Resolves a object id from the request command buffer into a pointer to an object. See the
@ -259,26 +277,43 @@ public:
MappedBuffer& GetMappedBuffer(u32 id_from_cmdbuf);
/// Populates this context with data from the requesting process/thread.
ResultCode PopulateFromIncomingCommandBuffer(const u32_le* src_cmdbuf, Process& src_process);
ResultCode PopulateFromIncomingCommandBuffer(const u32_le* src_cmdbuf,
std::shared_ptr<Process> src_process);
/// Writes data from this context back to the requesting process/thread.
ResultCode WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, Process& dst_process) const;
/// Reports an unimplemented function.
void ReportUnimplemented() const;
class ThreadCallback;
friend class ThreadCallback;
private:
KernelSystem& kernel;
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
std::shared_ptr<ServerSession> session;
Thread* thread;
std::shared_ptr<Thread> thread;
// TODO(yuriks): Check common usage of this and optimize size accordingly
boost::container::small_vector<std::shared_ptr<Object>, 8> request_handles;
// The static buffers will be created when the IPC request is translated.
std::array<std::vector<u8>, IPC::MAX_STATIC_BUFFERS> static_buffers;
// The mapped buffers will be created when the IPC request is translated
boost::container::small_vector<MappedBuffer, 8> request_mapped_buffers;
HLERequestContext();
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& cmd_buf;
ar& session;
ar& thread;
ar& request_handles;
ar& static_buffers;
ar& request_mapped_buffers;
}
friend class boost::serialization::access;
};
} // namespace Kernel
BOOST_CLASS_EXPORT_KEY(Kernel::SessionRequestHandler::SessionDataBase)
BOOST_CLASS_EXPORT_KEY(Kernel::HLERequestContext::ThreadCallback)

2
src/core/hle/kernel/ipc.cpp
View file

@ -72,7 +72,7 @@ ResultCode TranslateCommandBuffer(Kernel::KernelSystem& kernel, Memory::MemorySy
if (handle == CurrentThread) {
object = src_thread;
} else if (handle == CurrentProcess) {
object = SharedFrom(src_process);
object = src_process;
} else if (handle != 0) {
object = src_process->handle_table.GetGeneric(handle);
if (descriptor == IPC::DescriptorType::MoveHandle) {

4
src/core/hle/kernel/ipc_debugger/recorder.cpp
View file

@ -52,7 +52,7 @@ void Recorder::RegisterRequest(const std::shared_ptr<Kernel::ClientSession>& cli
RequestRecord record = {/* id */ ++record_count,
/* status */ RequestStatus::Sent,
/* client_process */ GetObjectInfo(client_thread->owner_process),
/* client_process */ GetObjectInfo(client_thread->owner_process.get()),
/* client_thread */ GetObjectInfo(client_thread.get()),
/* client_session */ GetObjectInfo(client_session.get()),
/* client_port */ GetObjectInfo(client_session->parent->port.get()),
@ -82,7 +82,7 @@ void Recorder::SetRequestInfo(const std::shared_ptr<Kernel::Thread>& client_thre
record.translated_request_cmdbuf = std::move(translated_cmdbuf);
if (server_thread) {
record.server_process = GetObjectInfo(server_thread->owner_process);
record.server_process = GetObjectInfo(server_thread->owner_process.get());
record.server_thread = GetObjectInfo(server_thread.get());
} else {
record.is_hle = true;

2
src/core/hle/kernel/kernel.h
View file

@ -134,7 +134,7 @@ public:
*/
ResultVal<std::shared_ptr<Thread>> CreateThread(std::string name, VAddr entry_point,
u32 priority, u32 arg, s32 processor_id,
VAddr stack_top, Process& owner_process);
VAddr stack_top, std::shared_ptr<Process> owner_process);
/**
* Creates a semaphore.

6
src/core/hle/kernel/server_session.cpp
View file

@ -71,12 +71,12 @@ ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread) {
// If this ServerSession has an associated HLE handler, forward the request to it.
if (hle_handler != nullptr) {
std::array<u32_le, IPC::COMMAND_BUFFER_LENGTH + 2 * IPC::MAX_STATIC_BUFFERS> cmd_buf;
Kernel::Process* current_process = thread->owner_process;
auto current_process = thread->owner_process;
kernel.memory.ReadBlock(*current_process, thread->GetCommandBufferAddress(), cmd_buf.data(),
cmd_buf.size() * sizeof(u32));
Kernel::HLERequestContext context(kernel, SharedFrom(this), thread.get());
context.PopulateFromIncomingCommandBuffer(cmd_buf.data(), *current_process);
Kernel::HLERequestContext context(kernel, SharedFrom(this), thread);
context.PopulateFromIncomingCommandBuffer(cmd_buf.data(), current_process);
hle_handler->HandleSyncRequest(context);

139
src/core/hle/kernel/svc.cpp
View file

@ -282,7 +282,7 @@ void SVC::ExitProcess() {
// Stop all the process threads that are currently waiting for objects.
auto& thread_list = kernel.GetThreadManager().GetThreadList();
for (auto& thread : thread_list) {
if (thread->owner_process != current_process.get())
if (thread->owner_process != current_process)
continue;
if (thread.get() == kernel.GetThreadManager().GetCurrentThread())
@ -403,6 +403,73 @@ ResultCode SVC::CloseHandle(Handle handle) {
return kernel.GetCurrentProcess()->handle_table.Close(handle);
}
static ResultCode ReceiveIPCRequest(Kernel::KernelSystem& kernel, Memory::MemorySystem& memory,
std::shared_ptr<ServerSession> server_session,
std::shared_ptr<Thread> thread);
class SVC_SyncCallback : public Kernel::WakeupCallback {
public:
SVC_SyncCallback(bool do_output_) : do_output(do_output_) {}
void WakeUp(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
if (reason == ThreadWakeupReason::Timeout) {
thread->SetWaitSynchronizationResult(RESULT_TIMEOUT);
return;
}
ASSERT(reason == ThreadWakeupReason::Signal);
thread->SetWaitSynchronizationResult(RESULT_SUCCESS);
// The wait_all case does not update the output index.
if (do_output) {
thread->SetWaitSynchronizationOutput(thread->GetWaitObjectIndex(object.get()));
}
}
private:
bool do_output;
SVC_SyncCallback() = default;
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& do_output;
}
friend class boost::serialization::access;
};
class SVC_IPCCallback : public Kernel::WakeupCallback {
public:
SVC_IPCCallback(Core::System& system_) : system(system_) {}
void WakeUp(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(thread->status == ThreadStatus::WaitSynchAny);
ASSERT(reason == ThreadWakeupReason::Signal);
ResultCode result = RESULT_SUCCESS;
if (object->GetHandleType() == HandleType::ServerSession) {
auto server_session = DynamicObjectCast<ServerSession>(object);
result = ReceiveIPCRequest(system.Kernel(), system.Memory(), server_session, thread);
}
thread->SetWaitSynchronizationResult(result);
thread->SetWaitSynchronizationOutput(thread->GetWaitObjectIndex(object.get()));
}
private:
Core::System& system;
SVC_IPCCallback() : system(Core::Global<Core::System>()) {}
template <class Archive>
void serialize(Archive& ar, const unsigned int) {}
friend class boost::serialization::access;
};
/// Wait for a handle to synchronize, timeout after the specified nanoseconds
ResultCode SVC::WaitSynchronization1(Handle handle, s64 nano_seconds) {
auto object = kernel.GetCurrentProcess()->handle_table.Get<WaitObject>(handle);
@ -426,21 +493,7 @@ ResultCode SVC::WaitSynchronization1(Handle handle, s64 nano_seconds) {
// Create an event to wake the thread up after the specified nanosecond delay has passed
thread->WakeAfterDelay(nano_seconds);
thread->wakeup_callback = [](ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(thread->status == ThreadStatus::WaitSynchAny);
if (reason == ThreadWakeupReason::Timeout) {
thread->SetWaitSynchronizationResult(RESULT_TIMEOUT);
return;
}
ASSERT(reason == ThreadWakeupReason::Signal);
thread->SetWaitSynchronizationResult(RESULT_SUCCESS);
// WaitSynchronization1 doesn't have an output index like WaitSynchronizationN, so we
// don't have to do anything else here.
};
thread->wakeup_callback = std::make_shared<SVC_SyncCallback>(false);
system.PrepareReschedule();
@ -515,20 +568,7 @@ ResultCode SVC::WaitSynchronizationN(s32* out, VAddr handles_address, s32 handle
// Create an event to wake the thread up after the specified nanosecond delay has passed
thread->WakeAfterDelay(nano_seconds);
thread->wakeup_callback = [](ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(thread->status == ThreadStatus::WaitSynchAll);
if (reason == ThreadWakeupReason::Timeout) {
thread->SetWaitSynchronizationResult(RESULT_TIMEOUT);
return;
}
ASSERT(reason == ThreadWakeupReason::Signal);
thread->SetWaitSynchronizationResult(RESULT_SUCCESS);
// The wait_all case does not update the output index.
};
thread->wakeup_callback = std::make_shared<SVC_SyncCallback>(false);
system.PrepareReschedule();
@ -575,20 +615,7 @@ ResultCode SVC::WaitSynchronizationN(s32* out, VAddr handles_address, s32 handle
// Create an event to wake the thread up after the specified nanosecond delay has passed
thread->WakeAfterDelay(nano_seconds);
thread->wakeup_callback = [](ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(thread->status == ThreadStatus::WaitSynchAny);
if (reason == ThreadWakeupReason::Timeout) {
thread->SetWaitSynchronizationResult(RESULT_TIMEOUT);
return;
}
ASSERT(reason == ThreadWakeupReason::Signal);
thread->SetWaitSynchronizationResult(RESULT_SUCCESS);
thread->SetWaitSynchronizationOutput(thread->GetWaitObjectIndex(object.get()));
};
thread->wakeup_callback = std::make_shared<SVC_SyncCallback>(true);
system.PrepareReschedule();
@ -730,22 +757,7 @@ ResultCode SVC::ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_co
thread->wait_objects = std::move(objects);
thread->wakeup_callback = [& kernel = this->kernel, &memory = this->memory](
ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) {
ASSERT(thread->status == ThreadStatus::WaitSynchAny);
ASSERT(reason == ThreadWakeupReason::Signal);
ResultCode result = RESULT_SUCCESS;
if (object->GetHandleType() == HandleType::ServerSession) {
auto server_session = DynamicObjectCast<ServerSession>(object);
result = ReceiveIPCRequest(kernel, memory, server_session, thread);
}
thread->SetWaitSynchronizationResult(result);
thread->SetWaitSynchronizationOutput(thread->GetWaitObjectIndex(object.get()));
};
thread->wakeup_callback = std::make_shared<SVC_IPCCallback>(system);
system.PrepareReschedule();
@ -911,7 +923,7 @@ ResultCode SVC::CreateThread(Handle* out_handle, u32 entry_point, u32 arg, VAddr
CASCADE_RESULT(std::shared_ptr<Thread> thread,
kernel.CreateThread(name, entry_point, priority, arg, processor_id, stack_top,
*current_process));
current_process));
thread->context->SetFpscr(FPSCR_DEFAULT_NAN | FPSCR_FLUSH_TO_ZERO |
FPSCR_ROUND_TOZERO); // 0x03C00000
@ -1020,7 +1032,7 @@ ResultCode SVC::GetProcessIdOfThread(u32* process_id, Handle thread_handle) {
if (thread == nullptr)
return ERR_INVALID_HANDLE;
const std::shared_ptr<Process> process = SharedFrom(thread->owner_process);
const std::shared_ptr<Process> process = thread->owner_process;
ASSERT_MSG(process != nullptr, "Invalid parent process for thread={:#010X}", thread_handle);
@ -1611,3 +1623,6 @@ void SVCContext::CallSVC(u32 immediate) {
}
} // namespace Kernel
SERIALIZE_EXPORT_IMPL(Kernel::SVC_SyncCallback)
SERIALIZE_EXPORT_IMPL(Kernel::SVC_IPCCallback)

7
src/core/hle/kernel/svc.h
View file

@ -5,6 +5,7 @@
#pragma once
#include <memory>
#include <boost/serialization/export.hpp>
#include "common/common_types.h"
namespace Core {
@ -25,4 +26,10 @@ private:
std::unique_ptr<SVC> impl;
};
class SVC_SyncCallback;
class SVC_IPCCallback;
} // namespace Kernel
BOOST_CLASS_EXPORT_KEY(Kernel::SVC_SyncCallback)
BOOST_CLASS_EXPORT_KEY(Kernel::SVC_IPCCallback)

29
src/core/hle/kernel/thread.cpp
View file

@ -48,7 +48,7 @@ void Thread::serialize(Archive& ar, const unsigned int file_version) {
ar& wait_objects;
ar& wait_address;
ar& name;
// TODO: How the hell to do wakeup_callback
ar& wakeup_callback;
}
SERIALIZE_IMPL(Thread)
@ -138,8 +138,8 @@ void ThreadManager::SwitchContext(Thread* new_thread) {
ready_queue.remove(new_thread->current_priority, new_thread);
new_thread->status = ThreadStatus::Running;
if (previous_process.get() != current_thread->owner_process) {
kernel.SetCurrentProcess(SharedFrom(current_thread->owner_process));
if (previous_process != current_thread->owner_process) {
kernel.SetCurrentProcess(current_thread->owner_process);
}
cpu->LoadContext(new_thread->context);
@ -196,7 +196,7 @@ void ThreadManager::ThreadWakeupCallback(u64 thread_id, s64 cycles_late) {
// Invoke the wakeup callback before clearing the wait objects
if (thread->wakeup_callback)
thread->wakeup_callback(ThreadWakeupReason::Timeout, thread, nullptr);
thread->wakeup_callback->WakeUp(ThreadWakeupReason::Timeout, thread, nullptr);
// Remove the thread from each of its waiting objects' waitlists
for (auto& object : thread->wait_objects)
@ -313,10 +313,9 @@ static void ResetThreadContext(const std::unique_ptr<ARM_Interface::ThreadContex
context->SetCpsr(USER32MODE | ((entry_point & 1) << 5)); // Usermode and THUMB mode
}
ResultVal<std::shared_ptr<Thread>> KernelSystem::CreateThread(std::string name, VAddr entry_point,
u32 priority, u32 arg,
s32 processor_id, VAddr stack_top,
Process& owner_process) {
ResultVal<std::shared_ptr<Thread>> KernelSystem::CreateThread(
std::string name, VAddr entry_point, u32 priority, u32 arg, s32 processor_id, VAddr stack_top,
std::shared_ptr<Process> owner_process) {
// Check if priority is in ranged. Lowest priority -> highest priority id.
if (priority > ThreadPrioLowest) {
LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
@ -330,7 +329,7 @@ ResultVal<std::shared_ptr<Thread>> KernelSystem::CreateThread(std::string name,
// TODO(yuriks): Other checks, returning 0xD9001BEA
if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:08x}", name, entry_point);
// TODO: Verify error
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
@ -353,10 +352,10 @@ ResultVal<std::shared_ptr<Thread>> KernelSystem::CreateThread(std::string name,
thread->wait_address = 0;
thread->name = std::move(name);
thread_manager->wakeup_callback_table[thread->thread_id] = thread.get();
thread->owner_process = &owner_process;
thread->owner_process = owner_process;
// Find the next available TLS index, and mark it as used
auto& tls_slots = owner_process.tls_slots;
auto& tls_slots = owner_process->tls_slots;
auto [available_page, available_slot, needs_allocation] = GetFreeThreadLocalSlot(tls_slots);
@ -372,13 +371,13 @@ ResultVal<std::shared_ptr<Thread>> KernelSystem::CreateThread(std::string name,
"Not enough space in region to allocate a new TLS page for thread");
return ERR_OUT_OF_MEMORY;
}
owner_process.memory_used += Memory::PAGE_SIZE;
owner_process->memory_used += Memory::PAGE_SIZE;
tls_slots.emplace_back(0); // The page is completely available at the start
available_page = tls_slots.size() - 1;
available_slot = 0; // Use the first slot in the new page
auto& vm_manager = owner_process.vm_manager;
auto& vm_manager = owner_process->vm_manager;
// Map the page to the current process' address space.
vm_manager.MapBackingMemory(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE,
@ -391,7 +390,7 @@ ResultVal<std::shared_ptr<Thread>> KernelSystem::CreateThread(std::string name,
thread->tls_address = Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE +
available_slot * Memory::TLS_ENTRY_SIZE;
memory.ZeroBlock(owner_process, thread->tls_address, Memory::TLS_ENTRY_SIZE);
memory.ZeroBlock(*owner_process, thread->tls_address, Memory::TLS_ENTRY_SIZE);
// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
// to initialize the context
@ -438,7 +437,7 @@ std::shared_ptr<Thread> SetupMainThread(KernelSystem& kernel, u32 entry_point, u
// Initialize new "main" thread
auto thread_res =
kernel.CreateThread("main", entry_point, priority, 0, owner_process->ideal_processor,
Memory::HEAP_VADDR_END, *owner_process);
Memory::HEAP_VADDR_END, owner_process);
std::shared_ptr<Thread> thread = std::move(thread_res).Unwrap();

15
src/core/hle/kernel/thread.h
View file

@ -59,6 +59,15 @@ enum class ThreadWakeupReason {
Timeout // The thread was woken up due to a wait timeout.
};
class Thread;
class WakeupCallback {
public:
virtual ~WakeupCallback() = default;
virtual void WakeUp(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object) = 0;
};
class ThreadManager {
public:
explicit ThreadManager(Kernel::KernelSystem& kernel);
@ -300,7 +309,7 @@ public:
/// Mutexes that this thread is currently waiting for.
boost::container::flat_set<std::shared_ptr<Mutex>> pending_mutexes;
Process* owner_process; ///< Process that owns this thread
std::shared_ptr<Process> owner_process; ///< Process that owns this thread
/// Objects that the thread is waiting on, in the same order as they were
// passed to WaitSynchronization1/N.
@ -310,12 +319,10 @@ public:
std::string name;
using WakeupCallback = void(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<WaitObject> object);
// Callback that will be invoked when the thread is resumed from a waiting state. If the thread
// was waiting via WaitSynchronizationN then the object will be the last object that became
// available. In case of a timeout, the object will be nullptr.
std::function<WakeupCallback> wakeup_callback;
std::shared_ptr<WakeupCallback> wakeup_callback;
private:
ThreadManager& thread_manager;

2
src/core/hle/kernel/wait_object.cpp
View file

@ -80,7 +80,7 @@ void WaitObject::WakeupAllWaitingThreads() {
// Invoke the wakeup callback before clearing the wait objects
if (thread->wakeup_callback)
thread->wakeup_callback(ThreadWakeupReason::Signal, thread, SharedFrom(this));
thread->wakeup_callback->WakeUp(ThreadWakeupReason::Signal, thread, SharedFrom(this));
for (auto& object : thread->wait_objects)
object->RemoveWaitingThread(thread.get());