Merge pull request #9 from bunnei/master

Add initial kernel HLE, includes thread creation and context switching

1 files changed, 74 insertions, 0 deletions

diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
new file mode 100644
index 000000000..9628f165d
--- /dev/null
+++ b/src/core/hle/kernel/thread.h
@@ -0,0 +1,74 @@
+// Copyright 2014 Citra Emulator Project / PPSSPP Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.  
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/hle/kernel/kernel.h"
+
+enum ThreadPriority {
+    THREADPRIO_HIGHEST      = 0,    ///< Highest thread priority
+    THREADPRIO_DEFAULT      = 16,   ///< Default thread priority for userland apps
+    THREADPRIO_LOW          = 31,   ///< Low range of thread priority for userland apps
+    THREADPRIO_LOWEST       = 63,   ///< Thread priority max checked by svcCreateThread
+};
+
+enum ThreadProcessorId {
+    THREADPROCESSORID_0     = 0xFFFFFFFE,   ///< Enables core appcode
+    THREADPROCESSORID_1     = 0xFFFFFFFD,   ///< Enables core syscore
+    THREADPROCESSORID_ALL   = 0xFFFFFFFC,   ///< Enables both cores
+};
+
+enum ThreadStatus {
+    THREADSTATUS_RUNNING        = 1,
+    THREADSTATUS_READY          = 2,
+    THREADSTATUS_WAIT           = 4,
+    THREADSTATUS_SUSPEND        = 8,
+    THREADSTATUS_DORMANT        = 16,
+    THREADSTATUS_DEAD           = 32,
+    THREADSTATUS_WAITSUSPEND    = THREADSTATUS_WAIT | THREADSTATUS_SUSPEND
+};
+
+enum WaitType {
+    WAITTYPE_NONE,
+    WAITTYPE_SLEEP,
+    WAITTYPE_SEMA,
+    WAITTYPE_EVENTFLAG,
+    WAITTYPE_THREADEND,
+    WAITTYPE_VBLANK,
+    WAITTYPE_MUTEX,
+    WAITTYPE_SYNCH,
+};
+
+namespace Kernel {
+
+/// 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);
+
+/// Reschedules to the next available thread (call after current thread is suspended)
+void Reschedule();
+
+/// Puts the current thread in the wait state for the given type
+void WaitCurrentThread(WaitType wait_type);
+
+/// Resumes a thread from waiting by marking it as "ready"
+void ResumeThreadFromWait(Handle handle);
+
+/// Gets the current thread handle
+Handle GetCurrentThreadHandle();
+
+/// Put current thread in a wait state - on WaitSynchronization
+void WaitThread_Synchronization();
+
+/// Initialize threading
+void ThreadingInit();
+
+/// Shutdown threading
+void ThreadingShutdown();
+
+} // namespace