added a bunch of threading code, recycled from PPSSPP, with lots of hacks in...

added a bunch of threading code, recycled from PPSSPP, with lots of hacks in for 3DS... doesn't really do much yet. Just a jumping off point

src/core/hle/kernel/thread.h

@@ -7,12 +7,12 @@
 #include "common/common_types.h"
 
 enum ThreadStatus {
-    THREADSTATUS_RUNNING = 1,
-    THREADSTATUS_READY = 2,
-    THREADSTATUS_WAIT = 4,
-    THREADSTATUS_SUSPEND = 8,
-    THREADSTATUS_DORMANT = 16,
-    THREADSTATUS_DEAD = 32,
+    THREADSTATUS_RUNNING    = 1,
+    THREADSTATUS_READY      = 2,
+    THREADSTATUS_WAIT       = 4,
+    THREADSTATUS_SUSPEND    = 8,
+    THREADSTATUS_DORMANT    = 16,
+    THREADSTATUS_DEAD       = 32,
 
     THREADSTATUS_WAITSUSPEND = THREADSTATUS_WAIT | THREADSTATUS_SUSPEND
 };
@@ -25,6 +25,19 @@ struct ThreadContext {
     u32 pc;
 };
 
+class Thread;
+
+Thread* __KernelCreateThread(UID& id, UID module_id, const char* name, u32 priority, u32 entrypoint,
+    u32 arg, u32 stack_top, u32 processor_id, int stack_size=0x4000);
+void __KernelResetThread(Thread *t, int lowest_priority);
+void __KernelChangeReadyState(Thread *thread, UID thread_id, bool ready);
+void __KernelChangeReadyState(UID thread_id, bool ready);
+Thread* __KernelNextThread();
+void __KernelSaveContext(ThreadContext *ctx);
+void __KernelLoadContext(ThreadContext *ctx);
+void __KernelSwitchContext(Thread *target, const char *reason);
+UID __KernelSetupRootThread(UID module_id, int arg, int prio, int stack_size=0x4000);
+
 void __KernelThreadingInit();
 void __KernelThreadingShutdown();