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Thread: Move CreateThread into a static Kernel::Create function

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This commit is contained in:
Yuri Kunde Schlesner 2014-12-22 11:07:22 -02:00
parent 3ac3803b92
commit ff992edecf
3 changed files with 45 additions and 58 deletions
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82
src/core/hle/kernel/thread.cpp
View file

@ -295,19 +295,41 @@ void DebugThreadQueue() {
}
}
/// Creates a new thread
Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 priority,
s32 processor_id, u32 stack_top, int stack_size) {
ResultVal<Handle> Thread::Create(const char* name, u32 entry_point, s32 priority, u32 arg,
s32 processor_id, u32 stack_top, int stack_size) {
_dbg_assert_(Kernel, name != nullptr);
_assert_msg_(KERNEL, (priority >= THREADPRIO_HIGHEST && priority <= THREADPRIO_LOWEST),
"priority=%d, outside of allowable range!", priority)
if ((u32)stack_size < 0x200) {
LOG_ERROR(Kernel, "(name=%s): invalid stack_size=0x%08X", name, stack_size);
// TODO: Verify error
return ResultCode(ErrorDescription::InvalidSize, ErrorModule::Kernel,
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
}
if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d",
name, priority, new_priority);
// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
// validity of this
priority = new_priority;
}
if (!Memory::GetPointer(entry_point)) {
LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name, entry_point);
// TODO: Verify error
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
}
Thread* thread = new Thread;
// TOOD(yuriks): Fix error reporting
handle = Kernel::g_handle_table.Create(thread).ValueOr(INVALID_HANDLE);
ResultVal<Handle> handle = Kernel::g_handle_table.Create(thread);
// TODO(yuriks): Plug memory leak
if (handle.Failed())
return handle.Code();
thread_queue.push_back(handle);
thread_queue.push_back(*handle);
thread_ready_queue.prepare(priority);
thread->thread_id = next_thread_id++;
@ -322,42 +344,10 @@ Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 prio
thread->wait_address = 0;
thread->name = name;
return thread;
}
/// Creates a new thread - wrapper for external user
Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s32 processor_id,
u32 stack_top, int stack_size) {
if (name == nullptr) {
LOG_ERROR(Kernel_SVC, "nullptr name");
return -1;
}
if ((u32)stack_size < 0x200) {
LOG_ERROR(Kernel_SVC, "(name=%s): invalid stack_size=0x%08X", name,
stack_size);
return -1;
}
if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d",
name, priority, new_priority);
// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
// validity of this
priority = new_priority;
}
if (!Memory::GetPointer(entry_point)) {
LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name, entry_point);
return -1;
}
Handle handle;
Thread* thread = CreateThread(handle, name, entry_point, priority, processor_id, stack_top,
stack_size);
ResetThread(thread, arg, 0);
CallThread(thread);
return handle;
return MakeResult<Handle>(*handle);
}
/// Get the priority of the thread specified by handle
@ -409,13 +399,13 @@ ResultCode SetThreadPriority(Handle handle, s32 priority) {
/// Sets up the primary application thread
Handle SetupMainThread(s32 priority, int stack_size) {
Handle handle;
// Initialize new "main" thread
Thread* thread = CreateThread(handle, "main", Core::g_app_core->GetPC(), priority,
ResultVal<Handle> handle = Thread::Create("main", Core::g_app_core->GetPC(), priority, 0,
THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size);
// TODO(yuriks): Propagate error
_dbg_assert_(Kernel, handle.Succeeded());
ResetThread(thread, 0, 0);
Thread* thread = Kernel::g_handle_table.Get<Thread>(*handle);
// If running another thread already, set it to "ready" state
Thread* cur = GetCurrentThread();
@ -428,7 +418,7 @@ Handle SetupMainThread(s32 priority, int stack_size) {
thread->status = THREADSTATUS_RUNNING;
LoadContext(thread->context);
return handle;
return *handle;
}

11
src/core/hle/kernel/thread.h
View file

@ -53,6 +53,9 @@ namespace Kernel {
class Thread : public Kernel::Object {
public:
static ResultVal<Handle> Create(const char* name, u32 entry_point, s32 priority, u32 arg,
s32 processor_id, u32 stack_top, int stack_size = Kernel::DEFAULT_STACK_SIZE);
std::string GetName() const override { return name; }
std::string GetTypeName() const override { return "Thread"; }
@ -90,17 +93,9 @@ public:
std::string name;
private:
// TODO(yuriks) Temporary until the creation logic can be moved into a static function
friend Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 priority,
s32 processor_id, u32 stack_top, int stack_size);
Thread() = default;
};
/// Creates a new thread - wrapper for external user
Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s32 processor_id,
u32 stack_top, int stack_size=Kernel::DEFAULT_STACK_SIZE);
/// Sets up the primary application thread
Handle SetupMainThread(s32 priority, int stack_size=Kernel::DEFAULT_STACK_SIZE);

10
src/core/hle/svc.cpp
View file

@ -229,14 +229,16 @@ static Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top
name = Common::StringFromFormat("unknown-%08x", entry_point);
}
Handle thread = Kernel::CreateThread(name.c_str(), entry_point, priority, arg, processor_id,
stack_top);
ResultVal<Handle> thread = Kernel::Thread::Create(name.c_str(), entry_point, priority, arg,
processor_id, stack_top);
if (thread.Failed())
return thread.Code().raw;
Core::g_app_core->SetReg(1, thread);
Core::g_app_core->SetReg(1, *thread);
LOG_TRACE(Kernel_SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
"threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point,
name.c_str(), arg, stack_top, priority, processor_id, thread);
name.c_str(), arg, stack_top, priority, processor_id, *thread);
return 0;
}