15 files changed, 49 insertions, 37 deletions
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index 9a921108d..77491900a 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include "common/common_types.h"
diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h
index 8a5fb10b4..030e7ad7b 100644
--- a/src/core/hle/kernel/address_arbiter.h
+++ b/src/core/hle/kernel/address_arbiter.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
diff --git a/src/core/hle/kernel/event.cpp b/src/core/hle/kernel/event.cpp
index 288080209..4de3fab3c 100644
--- a/src/core/hle/kernel/event.cpp
+++ b/src/core/hle/kernel/event.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include <map>
diff --git a/src/core/hle/kernel/event.h b/src/core/hle/kernel/event.h
index 73aec4e79..da793df1a 100644
--- a/src/core/hle/kernel/event.h
+++ b/src/core/hle/kernel/event.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 6a690e915..5fd06046e 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -1,5 +1,5 @@
-// Copyright 2014 Citra Emulator Project / PPSSPP Project
-// Licensed under GPLv2
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include <algorithm>
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 683fffeee..32258d5a0 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project / PPSSPP Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
diff --git a/src/core/hle/kernel/mutex.cpp b/src/core/hle/kernel/mutex.cpp
index 5a173e129..5a18af114 100644
--- a/src/core/hle/kernel/mutex.cpp
+++ b/src/core/hle/kernel/mutex.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include <map>
diff --git a/src/core/hle/kernel/mutex.h b/src/core/hle/kernel/mutex.h
index 7f4909a6e..a8ca97014 100644
--- a/src/core/hle/kernel/mutex.h
+++ b/src/core/hle/kernel/mutex.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
diff --git a/src/core/hle/kernel/semaphore.cpp b/src/core/hle/kernel/semaphore.cpp
index f955d1957..b81d0b26a 100644
--- a/src/core/hle/kernel/semaphore.cpp
+++ b/src/core/hle/kernel/semaphore.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2+
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include <queue>
diff --git a/src/core/hle/kernel/semaphore.h b/src/core/hle/kernel/semaphore.h
index ad474b875..8644ecf0c 100644
--- a/src/core/hle/kernel/semaphore.h
+++ b/src/core/hle/kernel/semaphore.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2+
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
diff --git a/src/core/hle/kernel/session.h b/src/core/hle/kernel/session.h
index 06ae4bc39..6760f346e 100644
--- a/src/core/hle/kernel/session.h
+++ b/src/core/hle/kernel/session.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2+
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp
index 3c8c502c6..2840f13bb 100644
--- a/src/core/hle/kernel/shared_memory.cpp
+++ b/src/core/hle/kernel/shared_memory.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include "common/common.h"
diff --git a/src/core/hle/kernel/shared_memory.h b/src/core/hle/kernel/shared_memory.h
index bb778ec26..bb65c7ccd 100644
--- a/src/core/hle/kernel/shared_memory.h
+++ b/src/core/hle/kernel/shared_memory.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 47be22653..c6a8dc7b9 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project / PPSSPP Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include <algorithm>
@@ -147,16 +147,19 @@ void ChangeReadyState(Thread* t, bool ready) {
     }
 }
 
-/// Verify that a thread has not been released from waiting
-static bool VerifyWait(const Thread* thread, WaitType type, Handle wait_handle) {
-    _dbg_assert_(Kernel, thread != nullptr);
-    return (type == thread->wait_type) && (wait_handle == thread->wait_handle) && (thread->IsWaiting());
+/// Check if a thread is blocking on a specified wait type
+static bool CheckWaitType(const Thread* thread, WaitType type) {
+    return (type == thread->wait_type) && (thread->IsWaiting());
 }
 
-/// Verify that a thread has not been released from waiting (with wait address)
-static bool VerifyWait(const Thread* thread, WaitType type, Handle wait_handle, VAddr wait_address) {
-    _dbg_assert_(Kernel, thread != nullptr);
-    return VerifyWait(thread, type, wait_handle) && (wait_address == thread->wait_address);
+/// Check if a thread is blocking on a specified wait type with a specified handle
+static bool CheckWaitType(const Thread* thread, WaitType type, Handle wait_handle) {
+    return CheckWaitType(thread, type) && (wait_handle == thread->wait_handle);
+}
+
+/// Check if a thread is blocking on a specified wait type with a specified handle and address
+static bool CheckWaitType(const Thread* thread, WaitType type, Handle wait_handle, VAddr wait_address) {
+    return CheckWaitType(thread, type, wait_handle) && (wait_address == thread->wait_address);
 }
 
 /// Stops the current thread
@@ -171,9 +174,9 @@ ResultCode StopThread(Handle handle, const char* reason) {
     thread->status = THREADSTATUS_DORMANT;
     for (Handle waiting_handle : thread->waiting_threads) {
         Thread* waiting_thread = g_object_pool.Get<Thread>(waiting_handle);
-        if (VerifyWait(waiting_thread, WAITTYPE_THREADEND, handle)) {
+
+        if (CheckWaitType(waiting_thread, WAITTYPE_THREADEND, handle))
             ResumeThreadFromWait(waiting_handle);
-        }
     }
     thread->waiting_threads.clear();
 
@@ -209,7 +212,7 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
     for (Handle handle : thread_queue) {
         Thread* thread = g_object_pool.Get<Thread>(handle);
 
-        if (!VerifyWait(thread, WAITTYPE_ARB, arbiter, address))
+        if (!CheckWaitType(thread, WAITTYPE_ARB, arbiter, address))
             continue;
 
         if (thread == nullptr)
@@ -234,7 +237,7 @@ void ArbitrateAllThreads(u32 arbiter, u32 address) {
     for (Handle handle : thread_queue) {
         Thread* thread = g_object_pool.Get<Thread>(handle);
 
-        if (VerifyWait(thread, WAITTYPE_ARB, arbiter, address))
+        if (CheckWaitType(thread, WAITTYPE_ARB, arbiter, address))
             ResumeThreadFromWait(handle);
     }
 }
@@ -305,6 +308,8 @@ void ResumeThreadFromWait(Handle handle) {
     Thread* thread = Kernel::g_object_pool.Get<Thread>(handle);
     if (thread) {
         thread->status &= ~THREADSTATUS_WAIT;
+        thread->wait_handle = 0;
+        thread->wait_type = WAITTYPE_NONE;
         if (!(thread->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
             ChangeReadyState(thread, true);
         }
@@ -468,19 +473,27 @@ void Reschedule() {
     Thread* prev = GetCurrentThread();
     Thread* next = NextThread();
     HLE::g_reschedule = false;
-    if (next > 0) {
-        LOG_TRACE(Kernel, "context switch 0x%08X -> 0x%08X", prev->GetHandle(), next->GetHandle());
 
+    if (next != nullptr) {
+        LOG_TRACE(Kernel, "context switch 0x%08X -> 0x%08X", prev->GetHandle(), next->GetHandle());
         SwitchContext(next);
+    } else {
+        LOG_TRACE(Kernel, "cannot context switch from 0x%08X, no higher priority thread!", prev->GetHandle());
 
-        // Hack - There is no mechanism yet to waken the primary thread if it has been put to sleep
-        // by a simulated VBLANK thread switch. So, we'll just immediately set it to "ready" again.
-        // This results in the current thread yielding on a VBLANK once, and then it will be
-        // immediately placed back in the queue for execution.
-        if (prev->wait_type == WAITTYPE_VBLANK) {
-            ResumeThreadFromWait(prev->GetHandle());
+        for (Handle handle : thread_queue) {
+            Thread* thread = g_object_pool.Get<Thread>(handle);
+            LOG_TRACE(Kernel, "\thandle=0x%08X prio=0x%02X, status=0x%08X wait_type=0x%08X wait_handle=0x%08X",
+                thread->GetHandle(), thread->current_priority, thread->status, thread->wait_type, thread->wait_handle);
         }
     }
+
+    // TODO(bunnei): Hack - There is no timing mechanism yet to wake up a thread if it has been put
+    // to sleep. So, we'll just immediately set it to "ready" again after an attempted context
+    // switch has occurred. This results in the current thread yielding on a sleep once, and then it
+    // will immediately be placed back in the queue for execution.
+
+    if (CheckWaitType(prev, WAITTYPE_SLEEP))
+        ResumeThreadFromWait(prev->GetHandle());
 }
 
 ResultCode GetThreadId(u32* thread_id, Handle handle) {
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index ec3b887d4..9396b6b26 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project / PPSSPP Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
@@ -40,7 +40,6 @@ enum WaitType {
     WAITTYPE_SEMA,
     WAITTYPE_EVENT,
     WAITTYPE_THREADEND,
-    WAITTYPE_VBLANK,
     WAITTYPE_MUTEX,
     WAITTYPE_SYNCH,
     WAITTYPE_ARB,