ahmed2007/suyu
1
0
Fork 0
forked from suyu/suyu
Code Pull requests Activity

thread: moved threading calls to the Kernel namespace

Browse source
This commit is contained in:
bunnei 2014-05-20 19:37:46 -04:00
parent 0012802456
commit 75c6d2a8fa
4 changed files with 117 additions and 103 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

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

@ -132,11 +132,11 @@ Object* ObjectPool::CreateByIDType(int type) {
}
void Init() {
__KernelThreadingInit();
Kernel::ThreadingInit();
}
void Shutdown() {
__KernelThreadingShutdown();
Kernel::ThreadingShutdown();
}
} // namespace
@ -147,7 +147,7 @@ bool __KernelLoadExec(u32 entry_point) {
Core::g_app_core->SetPC(entry_point);
// 0x30 is the typical main thread priority I've seen used so far
Handle thread_id = __KernelSetupMainThread(0x30);
Handle thread_id = Kernel::SetupMainThread(0x30);
return true;
}

184
src/core/hle/kernel/thread.cpp
View file

@ -19,7 +19,7 @@
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
// Enums
namespace Kernel {
enum ThreadStatus {
THREADSTATUS_RUNNING = 1,
@ -81,33 +81,32 @@ std::vector<Handle> g_thread_queue;
Common::ThreadQueueList<Handle> g_thread_ready_queue;
Handle g_current_thread_handle;
Thread* g_current_thread;
/// Gets the current thread
inline Thread* __GetCurrentThread() {
return g_current_thread;
}
/// Sets the current thread
inline void __SetCurrentThread(Thread* t) {
g_current_thread = t;
g_current_thread_handle = t->GetHandle();
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Saves the current CPU context
void __KernelSaveContext(ThreadContext& ctx) {
void __SaveContext(ThreadContext& ctx) {
Core::g_app_core->SaveContext(ctx);
}
/// Loads a CPU context
void __KernelLoadContext(const ThreadContext& ctx) {
void __LoadContext(const ThreadContext& ctx) {
Core::g_app_core->LoadContext(ctx);
}
/// Resets a thread
void __KernelResetThread(Thread* t, s32 lowest_priority) {
void __ResetThread(Thread* t, s32 lowest_priority) {
memset(&t->context, 0, sizeof(ThreadContext));
t->context.pc = t->entry_point;
@ -121,7 +120,7 @@ void __KernelResetThread(Thread* t, s32 lowest_priority) {
}
/// Change a thread to "ready" state
void __KernelChangeReadyState(Thread* t, bool ready) {
void __ChangeReadyState(Thread* t, bool ready) {
Handle handle = t->GetHandle();
if (t->IsReady()) {
if (!ready) {
@ -138,11 +137,11 @@ void __KernelChangeReadyState(Thread* t, bool ready) {
}
/// Changes a threads state
void __KernelChangeThreadState(Thread* t, ThreadStatus new_status) {
void __ChangeThreadState(Thread* t, ThreadStatus new_status) {
if (!t || t->status == new_status) {
return;
}
__KernelChangeReadyState(t, (new_status & THREADSTATUS_READY) != 0);
__ChangeReadyState(t, (new_status & THREADSTATUS_READY) != 0);
t->status = new_status;
if (new_status == THREADSTATUS_WAIT) {
@ -153,16 +152,75 @@ void __KernelChangeThreadState(Thread* t, ThreadStatus new_status) {
}
/// Calls a thread by marking it as "ready" (note: will not actually execute until current thread yields)
void __KernelCallThread(Thread* t) {
void __CallThread(Thread* t) {
// Stop waiting
if (t->wait_type != WAITTYPE_NONE) {
t->wait_type = WAITTYPE_NONE;
}
__KernelChangeThreadState(t, THREADSTATUS_READY);
__ChangeThreadState(t, THREADSTATUS_READY);
}
/// Switches CPU context to that of the specified thread
void __SwitchContext(Thread* t, const char* reason) {
Thread* cur = __GetCurrentThread();
// Save context for current thread
if (cur) {
__SaveContext(cur->context);
if (cur->IsRunning()) {
__ChangeReadyState(cur, true);
}
}
// Load context of new thread
if (t) {
__SetCurrentThread(t);
__ChangeReadyState(t, false);
t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY;
t->wait_type = WAITTYPE_NONE;
__LoadContext(t->context);
} else {
__SetCurrentThread(NULL);
}
}
/// Gets the next thread that is ready to be run by priority
Thread* __NextThread() {
Handle next;
Thread* cur = __GetCurrentThread();
if (cur && cur->IsRunning()) {
next = g_thread_ready_queue.pop_first_better(cur->current_priority);
} else {
next = g_thread_ready_queue.pop_first();
}
if (next < 0) {
return NULL;
}
return Kernel::g_object_pool.GetFast<Thread>(next);
}
/// Resumes a thread from waiting by marking it as "ready"
void __ResumeThreadFromWait(Handle handle) {
u32 error;
Thread* t = Kernel::g_object_pool.Get<Thread>(handle, error);
if (t) {
t->status &= ~THREADSTATUS_WAIT;
if (!(t->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
__ChangeReadyState(t, true);
}
}
}
/// Puts a thread in the wait state for the given type/reason
void __WaitCurThread(WaitType wait_type, const char* reason) {
Thread* t = __GetCurrentThread();
t->wait_type = wait_type;
__ChangeThreadState(t, ThreadStatus(THREADSTATUS_WAIT | (t->status & THREADSTATUS_SUSPEND)));
}
/// Creates a new thread
Thread* __KernelCreateThread(Handle& handle, const char* name, u32 entry_point, s32 priority,
Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 priority,
s32 processor_id, u32 stack_top, int stack_size) {
Thread* t = new Thread;
@ -187,31 +245,31 @@ Thread* __KernelCreateThread(Handle& handle, const char* name, u32 entry_point,
}
/// Creates a new thread - wrapper for external user
Handle __KernelCreateThread(const char* name, u32 entry_point, s32 priority, s32 processor_id,
Handle CreateThread(const char* name, u32 entry_point, s32 priority, s32 processor_id,
u32 stack_top, int stack_size) {
if (name == NULL) {
ERROR_LOG(KERNEL, "__KernelCreateThread(): NULL name");
ERROR_LOG(KERNEL, "CreateThread(): NULL name");
return -1;
}
if ((u32)stack_size < 0x200) {
ERROR_LOG(KERNEL, "__KernelCreateThread(name=%s): invalid stack_size=0x%08X", name,
ERROR_LOG(KERNEL, "CreateThread(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);
WARN_LOG(KERNEL, "__KernelCreateThread(name=%s): invalid priority=0x%08X, clamping to %08X",
WARN_LOG(KERNEL, "CreateThread(name=%s): invalid priority=0x%08X, clamping to %08X",
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)) {
ERROR_LOG(KERNEL, "__KernelCreateThread(name=%s): invalid entry %08x", name, entry_point);
ERROR_LOG(KERNEL, "CreateThread(name=%s): invalid entry %08x", name, entry_point);
return -1;
}
Handle handle;
Thread* t = __KernelCreateThread(handle, name, entry_point, priority, processor_id, stack_top,
Thread* t = CreateThread(handle, name, entry_point, priority, processor_id, stack_top,
stack_size);
HLE::EatCycles(32000);
@ -220,114 +278,62 @@ Handle __KernelCreateThread(const char* name, u32 entry_point, s32 priority, s32
// Technically, this should not eat all at once, and reschedule in the middle, but that's hard.
HLE::ReSchedule("thread created");
__KernelCallThread(t);
__CallThread(t);
return handle;
}
/// Switches CPU context to that of the specified thread
void __KernelSwitchContext(Thread* t, const char* reason) {
Thread* cur = __GetCurrentThread();
// Save context for current thread
if (cur) {
__KernelSaveContext(cur->context);
if (cur->IsRunning()) {
__KernelChangeReadyState(cur, true);
}
}
// Load context of new thread
if (t) {
__SetCurrentThread(t);
__KernelChangeReadyState(t, false);
t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY;
t->wait_type = WAITTYPE_NONE;
__KernelLoadContext(t->context);
} else {
__SetCurrentThread(NULL);
}
}
/// Gets the next thread that is ready to be run by priority
Thread* __KernelNextThread() {
Handle next;
Thread* cur = __GetCurrentThread();
if (cur && cur->IsRunning()) {
next = g_thread_ready_queue.pop_first_better(cur->current_priority);
} else {
next = g_thread_ready_queue.pop_first();
}
if (next < 0) {
return NULL;
}
return Kernel::g_object_pool.GetFast<Thread>(next);
/// Gets the current thread
Handle GetCurrentThread() {
return __GetCurrentThread()->GetHandle();
}
/// Sets up the primary application thread
Handle __KernelSetupMainThread(s32 priority, int stack_size) {
Handle SetupMainThread(s32 priority, int stack_size) {
Handle handle;
// Initialize new "main" thread
Thread* t = __KernelCreateThread(handle, "main", Core::g_app_core->GetPC(), priority,
Thread* t = CreateThread(handle, "main", Core::g_app_core->GetPC(), priority,
THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size);
__KernelResetThread(t, 0);
__ResetThread(t, 0);
// If running another thread already, set it to "ready" state
Thread* cur = __GetCurrentThread();
if (cur && cur->IsRunning()) {
__KernelChangeReadyState(cur, true);
__ChangeReadyState(cur, true);
}
// Run new "main" thread
__SetCurrentThread(t);
t->status = THREADSTATUS_RUNNING;
__KernelLoadContext(t->context);
__LoadContext(t->context);
return handle;
}
/// Resumes a thread from waiting by marking it as "ready"
void __KernelResumeThreadFromWait(Handle handle) {
u32 error;
Thread* t = Kernel::g_object_pool.Get<Thread>(handle, error);
if (t) {
t->status &= ~THREADSTATUS_WAIT;
if (!(t->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
__KernelChangeReadyState(t, true);
}
}
}
/// Puts a thread in the wait state for the given type/reason
void __KernelWaitCurThread(WaitType wait_type, const char* reason) {
Thread* t = __GetCurrentThread();
t->wait_type = wait_type;
__KernelChangeThreadState(t, ThreadStatus(THREADSTATUS_WAIT | (t->status & THREADSTATUS_SUSPEND)));
}
/// Reschedules to the next available thread (call after current thread is suspended)
void __KernelReschedule(const char* reason) {
Thread* next = __KernelNextThread();
void Reschedule(const char* reason) {
Thread* next = __NextThread();
if (next > 0) {
__KernelSwitchContext(next, reason);
__SwitchContext(next, reason);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Put current thread in a wait state - on WaitSynchronization
void __KernelWaitThread_Synchronization() {
void WaitThread_Synchronization() {
// TODO(bunnei): Just a placeholder function for now... FixMe
__KernelWaitCurThread(WAITTYPE_SYNCH, "waitSynchronization called");
__WaitCurThread(WAITTYPE_SYNCH, "waitSynchronization called");
}
////////////////////////////////////////////////////////////////////////////////////////////////////
void __KernelThreadingInit() {
void ThreadingInit() {
}
void __KernelThreadingShutdown() {
void ThreadingShutdown() {
}
} // namespace

26
src/core/hle/kernel/thread.h
View file

@ -7,8 +7,6 @@
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
class Thread;
enum ThreadPriority {
THREADPRIO_HIGHEST = 0,
THREADPRIO_DEFAULT = 16,
@ -21,18 +19,28 @@ enum ThreadProcessorId {
THREADPROCESSORID_ALL = 0xFFFFFFFC,
};
namespace Kernel {
/// Creates a new thread - wrapper for external user
Handle __KernelCreateThread(const char* name, u32 entry_point, s32 priority,
s32 processor_id, u32 stack_top, int stack_size=Kernel::DEFAULT_STACK_SIZE);
Handle CreateThread(const char* name, u32 entry_point, s32 priority, s32 processor_id,
u32 stack_top, int stack_size=Kernel::DEFAULT_STACK_SIZE);
/// Sets up the primary application thread
Handle __KernelSetupMainThread(s32 priority, int stack_size=Kernel::DEFAULT_STACK_SIZE);
Handle SetupMainThread(s32 priority, int stack_size=Kernel::DEFAULT_STACK_SIZE);
/// Reschedules to the next available thread (call after current thread is suspended)
void __KernelReschedule(const char* reason);
void Reschedule(const char* reason);
void __KernelThreadingInit();
void __KernelThreadingShutdown();
/// Gets the current thread
Handle GetCurrentThread();
/// Put current thread in a wait state - on WaitSynchronization
void __KernelWaitThread_Synchronization();
void WaitThread_Synchronization();
/// Initialize threading
void ThreadingInit();
/// Shutdown threading
void ThreadingShutdown();
} // namespace

4
src/core/hle/svc.cpp
View file

@ -123,7 +123,7 @@ Result WaitSynchronizationN(void* _out, void* _handles, u32 handle_count, u32 wa
for (u32 i = 0; i < handle_count; i++) {
DEBUG_LOG(SVC, "\thandle[%d]=0x%08X", i, handles[i]);
}
__KernelReschedule("WaitSynchronizationN");
Kernel::Reschedule("WaitSynchronizationN");
return 0;
}
@ -175,7 +175,7 @@ Result CreateThread(void* thread, u32 priority, u32 entry_point, u32 arg, u32 st
"threadpriority=0x%08X, processorid=0x%08X", entry_point, name.c_str(), arg, stack_top,
priority, processor_id);
Handle handle = __KernelCreateThread(name.c_str(), entry_point, priority, processor_id,
Handle handle = Kernel::CreateThread(name.c_str(), entry_point, priority, processor_id,
stack_top);
Core::g_app_core->SetReg(1, 0xFEEDDEAF);