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Kernel/Thread: move thread queue, current thread, and scheduling related function into the manager

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As we touched it, remove IPC::GetCommandBuffer
This commit is contained in:
Weiyi Wang 2018-10-23 11:40:57 -04:00
parent 876729ab52
commit 0478bc3dee
14 changed files with 123 additions and 146 deletions
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73
src/core/hle/kernel/svc.cpp
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@ -145,7 +145,8 @@ static ResultCode ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 add
}
static void ExitProcess() {
SharedPtr<Process> current_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
KernelSystem& kernel = Core::System::GetInstance().Kernel();
SharedPtr<Process> current_process = kernel.GetCurrentProcess();
LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->process_id);
ASSERT_MSG(current_process->status == ProcessStatus::Running, "Process has already exited");
@ -158,7 +159,7 @@ static void ExitProcess() {
if (thread->owner_process != current_process)
continue;
if (thread == GetCurrentThread())
if (thread == kernel.GetThreadManager().GetCurrentThread())
continue;
// TODO(Subv): When are the other running/ready threads terminated?
@ -170,7 +171,7 @@ static void ExitProcess() {
}
// Kill the current thread
GetCurrentThread()->Stop();
kernel.GetThreadManager().GetCurrentThread()->Stop();
Core::System::GetInstance().PrepareReschedule();
}
@ -254,9 +255,9 @@ static ResultCode ConnectToPort(Handle* out_handle, VAddr port_name_address) {
/// Makes a blocking IPC call to an OS service.
static ResultCode SendSyncRequest(Handle handle) {
KernelSystem& kernel = Core::System::GetInstance().Kernel();
SharedPtr<ClientSession> session =
Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<ClientSession>(
handle);
kernel.GetCurrentProcess()->handle_table.Get<ClientSession>(handle);
if (session == nullptr) {
return ERR_INVALID_HANDLE;
}
@ -265,7 +266,7 @@ static ResultCode SendSyncRequest(Handle handle) {
Core::System::GetInstance().PrepareReschedule();
return session->SendSyncRequest(GetCurrentThread());
return session->SendSyncRequest(kernel.GetThreadManager().GetCurrentThread());
}
/// Close a handle
@ -276,10 +277,9 @@ static ResultCode CloseHandle(Handle handle) {
/// Wait for a handle to synchronize, timeout after the specified nanoseconds
static ResultCode WaitSynchronization1(Handle handle, s64 nano_seconds) {
auto object =
Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<WaitObject>(
handle);
Thread* thread = GetCurrentThread();
KernelSystem& kernel = Core::System::GetInstance().Kernel();
auto object = kernel.GetCurrentProcess()->handle_table.Get<WaitObject>(handle);
Thread* thread = kernel.GetThreadManager().GetCurrentThread();
if (object == nullptr)
return ERR_INVALID_HANDLE;
@ -331,7 +331,8 @@ static ResultCode WaitSynchronization1(Handle handle, s64 nano_seconds) {
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
static ResultCode WaitSynchronizationN(s32* out, VAddr handles_address, s32 handle_count,
bool wait_all, s64 nano_seconds) {
Thread* thread = GetCurrentThread();
KernelSystem& kernel = Core::System::GetInstance().Kernel();
Thread* thread = kernel.GetThreadManager().GetCurrentThread();
if (!Memory::IsValidVirtualAddress(handles_address))
return ERR_INVALID_POINTER;
@ -349,9 +350,7 @@ static ResultCode WaitSynchronizationN(s32* out, VAddr handles_address, s32 hand
for (int i = 0; i < handle_count; ++i) {
Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
auto object =
Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<WaitObject>(
handle);
auto object = kernel.GetCurrentProcess()->handle_table.Get<WaitObject>(handle);
if (object == nullptr)
return ERR_INVALID_HANDLE;
objects[i] = object;
@ -515,7 +514,8 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
using ObjectPtr = SharedPtr<WaitObject>;
std::vector<ObjectPtr> objects(handle_count);
SharedPtr<Process> current_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
KernelSystem& kernel = Core::System::GetInstance().Kernel();
SharedPtr<Process> current_process = kernel.GetCurrentProcess();
for (int i = 0; i < handle_count; ++i) {
Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
@ -527,8 +527,9 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
// We are also sending a command reply.
// Do not send a reply if the command id in the command buffer is 0xFFFF.
u32* cmd_buff = GetCommandBuffer();
IPC::Header header{cmd_buff[0]};
Thread* thread = kernel.GetThreadManager().GetCurrentThread();
u32 cmd_buff_header = Memory::Read32(thread->GetCommandBufferAddress());
IPC::Header header{cmd_buff_header};
if (reply_target != 0 && header.command_id != 0xFFFF) {
auto session = current_process->handle_table.Get<ServerSession>(reply_target);
if (session == nullptr)
@ -546,11 +547,11 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
return ERR_SESSION_CLOSED_BY_REMOTE;
}
VAddr source_address = GetCurrentThread()->GetCommandBufferAddress();
VAddr source_address = thread->GetCommandBufferAddress();
VAddr target_address = request_thread->GetCommandBufferAddress();
ResultCode translation_result = TranslateCommandBuffer(
Kernel::GetCurrentThread(), request_thread, source_address, target_address, true);
ResultCode translation_result =
TranslateCommandBuffer(thread, request_thread, source_address, target_address, true);
// Note: The real kernel seems to always panic if the Server->Client buffer translation
// fails for whatever reason.
@ -570,8 +571,6 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
return RESULT_SUCCESS;
}
auto thread = GetCurrentThread();
// Find the first object that is acquirable in the provided list of objects
auto itr = std::find_if(objects.begin(), objects.end(), [thread](const ObjectPtr& object) {
return !object->ShouldWait(thread);
@ -587,7 +586,7 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
return RESULT_SUCCESS;
auto server_session = static_cast<ServerSession*>(object);
return ReceiveIPCRequest(server_session, GetCurrentThread());
return ReceiveIPCRequest(server_session, thread);
}
// No objects were ready to be acquired, prepare to suspend the thread.
@ -644,14 +643,16 @@ static ResultCode ArbitrateAddress(Handle handle, u32 address, u32 type, u32 val
LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}, address=0x{:08X}, type=0x{:08X}, value=0x{:08X}",
handle, address, type, value);
KernelSystem& kernel = Core::System::GetInstance().Kernel();
SharedPtr<AddressArbiter> arbiter =
Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<AddressArbiter>(
handle);
kernel.GetCurrentProcess()->handle_table.Get<AddressArbiter>(handle);
if (arbiter == nullptr)
return ERR_INVALID_HANDLE;
auto res = arbiter->ArbitrateAddress(GetCurrentThread(), static_cast<ArbitrationType>(type),
address, value, nanoseconds);
auto res =
arbiter->ArbitrateAddress(kernel.GetThreadManager().GetCurrentThread(),
static_cast<ArbitrationType>(type), address, value, nanoseconds);
// TODO(Subv): Identify in which specific cases this call should cause a reschedule.
Core::System::GetInstance().PrepareReschedule();
@ -808,7 +809,7 @@ static ResultCode CreateThread(Handle* out_handle, u32 priority, u32 entry_point
static void ExitThread() {
LOG_TRACE(Kernel_SVC, "called, pc=0x{:08X}", Core::CPU().GetPC());
ExitCurrentThread();
Core::System::GetInstance().Kernel().GetThreadManager().ExitCurrentThread();
Core::System::GetInstance().PrepareReschedule();
}
@ -870,12 +871,13 @@ static ResultCode CreateMutex(Handle* out_handle, u32 initial_locked) {
static ResultCode ReleaseMutex(Handle handle) {
LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}", handle);
SharedPtr<Mutex> mutex =
Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<Mutex>(handle);
KernelSystem& kernel = Core::System::GetInstance().Kernel();
SharedPtr<Mutex> mutex = kernel.GetCurrentProcess()->handle_table.Get<Mutex>(handle);
if (mutex == nullptr)
return ERR_INVALID_HANDLE;
return mutex->Release(GetCurrentThread());
return mutex->Release(kernel.GetThreadManager().GetCurrentThread());
}
/// Get the ID of the specified process
@ -1090,16 +1092,19 @@ static ResultCode CancelTimer(Handle handle) {
static void SleepThread(s64 nanoseconds) {
LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds);
KernelSystem& kernel = Core::System::GetInstance().Kernel();
ThreadManager& thread_manager = kernel.GetThreadManager();
// Don't attempt to yield execution if there are no available threads to run,
// this way we avoid a useless reschedule to the idle thread.
if (nanoseconds == 0 && !HaveReadyThreads())
if (nanoseconds == 0 && !thread_manager.HaveReadyThreads())
return;
// Sleep current thread and check for next thread to schedule
WaitCurrentThread_Sleep();
thread_manager.WaitCurrentThread_Sleep();
// Create an event to wake the thread up after the specified nanosecond delay has passed
GetCurrentThread()->WakeAfterDelay(nanoseconds);
thread_manager.GetCurrentThread()->WakeAfterDelay(nanoseconds);
Core::System::GetInstance().PrepareReschedule();
}